Stew's CT70 Thread

[MICRider]

I finally got my old CT loaded up on my pa's Sonoma and it's headed for town. They're trying to clean up the acreage to sell it, so I figured I had best get it out of there before it ends up in the town dump :). In my youthful memory the bike was in a bit better shape than it is now. I have no doubt it's repairable though and it should make for a good project. I think the manufacturers date is 6/71, guessing that would make it a 72 model? I think it's going to take some time and $$$ to undo what time (and my big hammered repairs!) have done to it. Lol, wish me luck on getting an old friend back on the road :D

http://i762.photobucket.com/albums/xx261/MICRider/photo.jpg

P.S. I just folded the bars down so that they wouldn't get bent in transport, looks a little goofy I know...
Edit: Looks like it's actually a 1971 CT70KO model. Thank's for the id link Jim :)

[Weldangrind]

A new project! Yaaaaay! :D

I'll be watching closely.

[MICRider]

I'll post a bunch of pictures once I get it unloaded in the garage. I had left her in a partially disassembled state about... Oh, 25 or so years ago? I think I found most of the parts though... Think I'm missing a bunch of fasteners so I'll be sourcing some new ones. Some of the "extra" bits in the box are from a dead XR75. I think my biggest hurdle will be fixing the electrical. Pretty sure that's what was wrong with it all those years ago, then I made it worse with my good intentioned repair efforts :). I'd like to replace the whole electrical system and convert her to CDI and 12 volt if I can. I don't want to fart around with 6 volt systems and points if I can avoid it. I'll have to look back at Kato and Jim's threads on the 70's and see if I can find some links to parts sources, save me hunting them down myself :D. I see some ebay hunting in my future....

[MICRider]

A new project! Yaaaaay! :D

I'll be watching closely.

Hi W&G, I remember you mentioning a 125 china motor for these before, is this the one you were referring to?
http://cgi.ebay.ca/SEMI-AUTO-LIFAN-125CC-Motor-Engine-XR50-CRF50-70-BASIC-/360338217926?pt=Motorcycles_Parts_Accessories&hash=item53e5d4dbc6#ht_5341wt_905

[makenzie71]

That doesn't look bad at all. If you get all your parts together before you start then the CT is simple enough you can completely restore one in a couple days, including paint.

That's why I like them.

[MICRider]

The CT is safely in town now and tucked away in the garage. Since I know everyone likes pictures (even scary ones!) here's a few more.

Standing up with bars up and seat on.
http://i762.photobucket.com/albums/xx261/MICRider/003.jpg

Back view, I don't think I ever had the taillight lens for it.
http://i762.photobucket.com/albums/xx261/MICRider/004.jpg

Another back side view.
http://i762.photobucket.com/albums/xx261/MICRider/005.jpg

Left side front view... Not sure if I ever had the rest of the headlight, I can't remember now :).
http://i762.photobucket.com/albums/xx261/MICRider/006.jpg

A very badly damaged flywheel cover. I think it was like this when I got it... At least that's my story and I'm sticking to it! :lol:
http://i762.photobucket.com/albums/xx261/MICRider/007.jpg

Speedo view... Looks like it only had just over 7000 miles on it. Looks like the cables are shot as well.
http://i762.photobucket.com/albums/xx261/MICRider/008.jpg

One more pic, case is messed up above the flywheel because I wedged a screwdriver behind the flywheel to hold it so I could undo the crankshaft nut. Bad part is that if I recall the TDC line up thing for points and valves was on this part of the case... Hey, I was only 12 :roll:
http://i762.photobucket.com/albums/xx261/MICRider/009.jpg

So, my dilemma would be, do I try to fix the stock motor (also has a new piston and rings that I did when I was 12... Your guess to the quality of the work is as good as mine! Or, do I just swap in another motor (like the 125?) and go from there. I guess if I went that route I could always rebuild the old engine at my leisure and put it back in later? Looks like I set a record for sharktoothed sprockets to, another thing to add to the list! I have to get a new rear axle and spacers as well. Seems someone mushroomed the old one! Lol :) Open to suggestions and ideas, it doesn't have to be perfect I just want it running again. Thanks guys!

[Weldangrind]

A new project! Yaaaaay! :D

I'll be watching closely.

Hi W&G, I remember you mentioning a 125 china motor for these before, is this the one you were referring to?
http://cgi.ebay.ca/SEMI-AUTO-LIFAN-125CC-Motor-Engine-XR50-CRF50-70-BASIC-/360338217926?pt=Motorcycles_Parts_Accessories&hash=item53e5d4dbc6#ht_5341wt_905

That's one way to go. Do you want a semi-auto? You could choose one with a clutch if you prefer. My vote is for a China motor for now, allowing you to carefully rebuild the stocker as time permits. You'd probably save some money if you found a 125 China bike on CL; you could confirm that it runs and then swap the engine and all electrics over.

[makenzie71]

I say skip all the hassle and do this:

http://cgi.ebay.com/ebaymotors/LIFAN-125CC-ENGINE-MOTOR-XR50-CRF50-Z50-CT70-CL70-SL70-_W0QQcmdZViewItemQQhashZitem1c1c00a49fQQitemZ12072 8888479QQptZMotorcyclesQ5fPartsQ5fAccessories

Considering the work you'll put into making that motor work right, $250 is pretty fair. Plus, there's a following out there that'll buy your old CT engine for a more than fair amount to restore an all-original engine.

New wiring, motor, control, etc...plus it's a manual clutch (good for me, others may not agree).

[MICRider]

Lol! You guys are making my decision easy! I'm leaning towards repowering it with a 125 right now. I have to do some homework on the conversion though... Like the rest of the wiring :). I definitely wouldn't miss the points and 6 volt system! I much prefer a modern CDI for reliability. Sure is nice to have the old girl back though, it was my second bike but my first was a joke that I hardly got to ride so I class this one as my first. My uncle bought it brand new in Calgary and used to ride it around my grandparents lake lot until he sold it to me. This old CT pretty much kept me sane living in the sticks with no internet and only 3 tv channels :lol:

[makenzie71]

I'd just skip the rest of the wiring. Run your ignition kill through the key and that's it. If you want lights, run them on different relayed circuits.

If you go with a different motor get rid of all of the stock wiring.

[Jim]

This is a good site for parts I think but I haven't purchased anything from them yet http://hondaminitrail.com/ct70.html



This is good for model id http://www.hondatrail70.com/ct70id.htm It looks like a ct70 k0?

[MICRider]

This is a good site for parts I think but I haven't purchased anything from them yet http://hondaminitrail.com/ct70.html



This is good for model id http://www.hondatrail70.com/ct70id.htm It looks like a ct70 k0?

Great links, thanks Jim! Yup, I think your right on the designation, mine has to be a KO. I can see I'll be making up a list of part's I need. The prices seem very reasonable too. It's too bad I left it partially torn apart, still fixable but now I have to scrounge up some miscellaneous pieces that I can't find.

[MICRider]

A new project! Yaaaaay! :D

I'll be watching closely.

Hi W&G, I remember you mentioning a 125 china motor for these before, is this the one you were referring to?
http://cgi.ebay.ca/SEMI-AUTO-LIFAN-125CC-Motor-Engine-XR50-CRF50-70-BASIC-/360338217926?pt=Motorcycles_Parts_Accessories&hash=item53e5d4dbc6#ht_5341wt_905

That's one way to go. Do you want a semi-auto? You could choose one with a clutch if you prefer. My vote is for a China motor for now, allowing you to carefully rebuild the stocker as time permits. You'd probably save some money if you found a 125 China bike on CL; you could confirm that it runs and then swap the engine and all electrics over.

I really like this idea! Unfortunately Edmonton's craigslist is seriously lacking in the motorcycle department, not many listed and no chinabikes that I've seen. I wonder if it would be cost effective to buy a GIO 125 and swap the motor and electrics from it?

[Weldangrind]

CTV, CBC and ITV. I remember those days. On Christmas morning, the Queen was on all three channels. :lol:

It might be more cost effective to buy an entire Gio bike, vs. just the motor. Perhaps you could sell the rolling chassis on CL and recover some of your money.

[MICRider]

After checking out a few mini-trail sites I think I've decided to try to repair the engine I have. Parts are plentiful on ebay and vendor sites so I don't think it will be too hard to source them out... Expensive maybe, but not too hard. I want to keep the character of the bike the same, and I think repowering it would alter that too much. So, we will see how this all unfolds :D

[katoranger]

www.dratv.com too.

[SpudRider]

Thanks for sharing this great project with us, Stew! :)

Spud :)

[katoranger]

I believe you can convert the engine to a CDI and 12 volt. Also I have a stock engine for parts if you need anything from it. I plan to just use china power in mine.

Allen

[MICRider]

I believe you can convert the engine to a CDI and 12 volt. Also I have a stock engine for parts if you need anything from it. I plan to just use china power in mine.

Allen

I might take you up on some of the engine parts. I'm going to have to find a left side cover for mine, the one that covers the flywheel and countersprocket. Also the woodruff key and flywheel nut. Is your cover in good shape? If not I might get a new one once I get it running, but theyre pricey! :)

[katoranger]

I will look. Not sure if its even there. The flywheel nut and woodruff key I probably have, but you may just want to get new ones.

[MICRider]

I will look. Not sure if its even there. The flywheel nut and woodruff key I probably have, but you may just want to get new ones.

Thanks Kato, probably right on the nut and woodruff key. I think most times they advise you to replace with new ones anyway. The dratv site is awesome, they've got tons of parts for it, even a new wiring harness! :)

[katoranger]

Keep looking, its missing.

http://i39.photobucket.com/albums/e166/katoranger/IMG_4214.jpg

[MICRider]

Ahh, okay :). Thanks for looking Allen. I can get one off ebay for about $80 shipped I think. I would probably be wise to get it running well before I replace the cover though, I could run my cracked one till then. I see a large electrical parts order heading to dratv soon! I'll grab a new flywheel bolt and key at the same time. :D

[MICRider]

Here's a neat looking custom CT off the dratv site :)
http://i762.photobucket.com/albums/xx261/MICRider/armyct.jpg

[Jim]

That looks very cool :)

[Weldangrind]

I was considering that paint scheme for a new project bike; I'm definitely doing it now. Thanks Stew. :D

[SpudRider]

Here's a neat looking custom CT off the dratv site :)
http://i762.photobucket.com/albums/xx261/MICRider/armyct.jpg
That's a nice little CT70! The khaki saddle is a very nice touch. :)

Spud :)

[katoranger]

$80. I have seen whole engines go for less than that. I suppose that is Canadian pricing.

I wil watch the "the pile" for another one. Also I collected some other parts and have duplicates. Wheels, swingarms, brakes etc.

Since I now have the elite, I am going to just build the ct as a yard/trail bike. No need for lights and I can keep it geared low. In a few years my girls will be able to ride it.

[MICRider]

Yup, things are pricey on this side of the border :). I think it's the shipping here that drives the prices up... Here's a more reasonably priced one
http://cgi.ebay.ca/Honda-z50-ct70-magneto-flywheel-cover-nice-/300563207859?pt=Motorcycles_Parts_Accessories&hash=item45faf696b3#ht_500wt_1156

I think I'll make sure it runs like a top though before I invest in any cosmetic type stuffs :). I'm going to have to get my butt in gear and place an order for the electrical stuff soon, anxious to hear the old girl run again!

[MICRider]

Decided against buying the CT90 and will instead get working on my old 70 :). I have decided to go ahead and repower it with a Lifan 125 engine with a semi auto clutch. I do plan on storing the original engine and repairing it at a later date but for the time being I'm dying to try out the Lifan. I went semi auto on the clutch to keep it a little closer to the original bike, and to make it easier to ride if my son takes an interest in bikes :D. I'm also going to see if I can get the thing registered for trail use (wish me luck on that one!), if I can't I'll just putt around on private land. It's going to take a while to get it all up to snuff though, I have to replace a lot of missing/worn out parts... Probably end up being a winter project. Engine is bought though, and I just have to wait for it to show up. Don't you just hate waiting for stuff to come in the mail? :lol:

[FastDoc]

I really look forward to following your progress. Why would it be hard to get it titled for off road use? Can you get it plated?

[Weldangrind]

Where did you find a semi-auto 125? I'm actually looking for a fully manual 110 or 125, but I'd take a semi-auto if the price was right.

If you have trouble titling the bike, I might have a workaround. PM me for details.

[MICRider]

I'm not sure how tough it will be to get it plated as I never got a bill of sale for it and it's been sitting for 30 some odd years (Has it really been that long?? Wow!). I think it was street legal way back because my mom recalls her brothers driving them around Calgary... But it has no signal lights or anything.

Hey W&G, I got the engine off of ebay. $259 plus $100 shipping... Pricey, but still cheaper than parts to get my original motor running. Here's a link to it.

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&_trksid=p5197.c0.m619&item=230385834458&viewitem=&category=35595#ht_5539wt_1165

Beauty of it is that it has all it's own wiring with it, that way I'll be able to bypass the bodgered electrical on mine :)

[Weldangrind]

That's a quick solution; I'm sure it will work well for you.

In case you haven't been through this process before, expect UPS to tack on an additional brokerage fee to bring the engine across the border. The seller has no control over that.

[MICRider]

That's a quick solution; I'm sure it will work well for you.

In case you haven't been through this process before, expect UPS to tack on an additional brokerage fee to bring the engine across the border. The seller has no control over that.

Yup, I've ran into that before, it's a nasty surprise! That's why I went with this seller, he ships USPS. I am expecting to get hit with taxes and maybe customs charges though :)

[SpudRider]

That's a quick solution; I'm sure it will work well for you.

In case you haven't been through this process before, expect UPS to tack on an additional brokerage fee to bring the engine across the border. The seller has no control over that.
I'm really starting to dislike UPS. I ship all my stuff via FedEx; the shipping rates are much lower than UPS, and the service is better. :) I think UPS has become "too big for its britches." :evil:

Spud :)

[MICRider]

That's a quick solution; I'm sure it will work well for you.

In case you haven't been through this process before, expect UPS to tack on an additional brokerage fee to bring the engine across the border. The seller has no control over that.
I'm really starting to dislike UPS. I ship all my stuff via FedEx; the shipping rates are much lower than UPS, and the service is better. :) I think UPS has become "too big for its britches." :evil:

Spud :)

+1! I've gotten a few nasty surprises on shipping from the States with Brown... I always try to pick sellers that use USPS where possible, still expensive shipping but not as bad as UPS.

[MICRider]

I've been reading up on the conversion to the 125 and it really does look like a simple job. The CDI and wiring comes with the engine and the place I bought it from has diagrams on how to hook it up on their website. I'm anxious to get the engine and then I can figure out what I need to track down to make the bike complete again... It's amazing how many little items are missing, Lol, and I don't even recall taking them off! :)

I do plan on rebuilding the old engine at a later date and will put it in storage after removal. I think for the amount of things that I need to replace on the engine and electrical for a restoration I will keep an eye out for a cheap parts bike that is mostly complete. Unless I really really like the Lifan, then I'll just stick with that! :lol:

[katoranger]

I only use USPS to send internationally.

Stew, I think that the biggest challenge is converting 6v to 12v. Also the exhaust will not line up. You will need to make some hangers to move it forward about an inch.

[Weldangrind]

Yeah, there is a short rod / long rod and short head / long head difference with the Chinese stuff. Dr. ATV (AKA Beatrice Cycle) has some good info: Lifan Engine Cylinder Lengths (http://www.dratv.com/howmutawimyn.html). You can always get a cheap China exhaust pipe that's meant for a pit bike.

[MICRider]

I only use USPS to send internationally.

Stew, I think that the biggest challenge is converting 6v to 12v. Also the exhaust will not line up. You will need to make some hangers to move it forward about an inch.

I think I have to widen out the footpegs an inch and a half as well, the Lifan is a little wider than the original Honda engine. Have to move the mounting brackets on the footpegs closer together as well. You can also buy a set of pegs with a sidestand and centerstand already made up to fit the Lifan, I think they're about $50. Lol, but then you have to get em shipped again, probably another $30 or $40 :D.

Hmmm... Electrical. Reminds me, I probably have to pick up a repro harness for this as well since I cut up my original one for some weird reason. It'll be a neat project though and if I do it a bit at a time I maybe wont notice how expensive it gets :lol:

[MICRider]

Yeah, there is a short rod / long rod and short head / long head difference with the Chinese stuff. Dr. ATV (AKA Beatrice Cycle) has some good info: Lifan Engine Cylinder Lengths (http://www.dratv.com/howmutawimyn.html). You can always get a cheap China exhaust pipe that's meant for a pit bike.

Thanks Weld, might be a good solution for the exhaust. Then it would sound a little meaner too :D (Well, as mean as a 125 can sound)

[MICRider]

I'll probably have to modify the engine guard as well, I've read that you can make them fit with minor modifications. I like the look of the bike a lot better with the engine guard than without.

[Weldangrind]

Foot Peg Assembly (http://www.ebay.ca/itm/Foot-Peg-Assyd-Stand-Honda-Kayak-Kc-Dirt-Pit-Bike-/380331927591?pt=Motorcycles_Parts_Accessories&hash=item588d8ca827)



http://i.ebayimg.com/00/$(KGrHqYOKo8E4iY7HLkvBOJEzPRJ3Q~~_12.JPG

[MICRider]

Foot Peg Assembly (http://www.ebay.ca/itm/Foot-Peg-Assyd-Stand-Honda-Kayak-Kc-Dirt-Pit-Bike-/380331927591?pt=Motorcycles_Parts_Accessories&hash=item588d8ca827)



http://i.ebayimg.com/00/$(KGrHqYOKo8E4iY7HLkvBOJEzPRJ3Q~~_12.JPG

Good link! I tried to put it on my watch list but ebay wont let me log in. I'll probably end up buying a set since I no longer have a welder or a torch :(

Unless I can get somebody at work to do the mods to my originals.

[Weldangrind]

I found this on CL tonight: DIRT BIKE PEGS AND STAND NEW (http://vancouver.en.craigslist.ca/rds/mcy/2586793942.html)

I could pick it up and mail it to you if you like. The stand will be too long, but I'm not sure by how much. It could certainly be chopped to suit. Lemme know.

[MICRider]

I found this on CL tonight: DIRT BIKE PEGS AND STAND NEW (http://vancouver.en.craigslist.ca/rds/mcy/2586793942.html)

I could pick it up and mail it to you if you like. The stand will be too long, but I'm not sure by how much. It could certainly be chopped to suit. Lemme know.

I'm going to have to order a bunch of stuff from DrAtv so I think I'll probably just get them there and try to combine the shipping on everything I need. Thanks for looking though! :)

[MICRider]

Checked the mail this morning after dropping my son off at school. The Lifan showed up! :D I wasn't expecting it for a few more days as the tracking showed it stuck at customs for 2 days. It was packed well and looks like it survived it's journey unscathed. Came with all electrics needed for it to run and a carb. Surprising thing is the carb says Japan on the side... Maybe a Keihin clone? Here's a couple of pics of it, sorry for the crap lighting but I have it downstairs in my dark and trendy 70's rumpus room. Now, to order more parts!! :lol:

http://i762.photobucket.com/albums/xx261/MICRider/DSCF1236-1.jpg

http://i762.photobucket.com/albums/xx261/MICRider/DSCF1237.jpg

http://i762.photobucket.com/albums/xx261/MICRider/DSCF1238.jpg

http://i762.photobucket.com/albums/xx261/MICRider/DSCF1239.jpg

I think this is going to be a sweet winter project for me... Hopefully it will help me get my motorcycle fix so I don't go nuts when theres 4 feet of snow on the ground!

P.S. And now that I'm all grown up and wiser, I promise not to use a hammer and a screwdriver to pull the flywheel on this one :lol:

[SpudRider]

That's a nice looking engine, Stew! :)

Spud :)

[Weldangrind]

You're gonna love that engine. Son of Weldangrind had that mill in a pit bike, and it pulled like a tractor. For cheap insurance, I recommend a spring loaded shifter.

[MICRider]

Thanks guys :D. I'm really starting to get excited about this project! I pulled the existing motor out last night... Lol, took all of about 20 minutes counting removing exhaust and skid plate, these things are really easy to work on :). I have to make up a list of things I need to get for it and send in an order... I'm amazed at how much stuff is gone off of it. Heck, even the valve stem cores are gone! I think I was robbing parts from it for my other bikes and never replaced them, bummer!

I think the Lifan wll be an excellent motor for the CT, if it runs as nicely as our Zongshens do in the ATV's I will be very impressed! :)

[Weldangrind]

The factory 125 carb was a little lean in Son of Weldangrind's pit bike, and there was a great deal of compression you had to overcome when starting. That compression will be no problem for you, but it can break the kicker components.

The solution is to vent the upper valve cap. You can either do a homemade version or buy the fancy anodized cap. The bottom line is that the cap should have a hole drilled in it and a barbed fitting installed that will accept a piece of hose. Route the hose up over the engine and down behind the swingarm to where the crankcase vent hose will be. Not only will it be easier to start, it will free up some power by removing the pressure in the top end.

Watch the plug closely. You may need to get fatter jets.

[Weldangrind]

If you're interested, I gathered a few of the maintenance / mod items from Son of Weldangrind's Pit Bike and created a sticky in the Pit Bike forum. Maybe some of it will be a benefit to you.

[MICRider]

If you're interested, I gathered a few of the maintenance / mod items from Son of Weldangrind's Pit Bike and created a sticky in the Pit Bike forum. Maybe some of it will be a benefit to you.

Thanks W&G, I'll be sure to check 'em out! I had read about the 140's being a bear to kick and people even breaking the cases kicking them over, but I didn't know that the 125's were hard to kick as well. I'm interested in the valve cover mod you mentioned, do you mean the actual little cover that covers the valve adjuster? Wouldn't happen to have a picture by chance? :)

I'd love to slap the motor in the frame, unfortunately it looks like my lower motor mount bolt is pooched and my top one is missing! Lol, more stuff for my list... :lol:

[MICRider]

Another quick question for you W&G, just checking the pit bike thread and noticed you have a proper flywheel puller, did you get it from Honda? I had one for my old CX500, but I cant for the life of me find it now...

[MICRider]

Put in a couple of parts orders... In a couple of weeks I should pretty much have enough stuff to get the old girl running again, it's gonna be fun! :D

[Weldangrind]

I bought my flywheel puller on eBay. Here's one: Flywheel Puller/Extractor For KYMCO VENTO PGO HONDA GY6 (http://www.ebay.ca/itm/Flywheel-Puller-Extractor-KYMCO-VENTO-PGO-HONDA-GY6-/170630345321?pt=AU_Motorcycle_Parts_Accessories&hash=item27ba5c7269) I bought it for my daughter's GY6 Monster quad, but it also fits horizontal dirt bike / atv engines and Honda (and clone) verticals.

Yes, I mean drill a hole in the upper valve cap that covers the valve adjuster. Here's a pic, but I didn't use an oil cooler, just the vented cap: 4 Stroke Oil Cooler Tube (http://scooterparts4less.com/web_gas/4Stroke_Oil_Cooler.htm) It's really easy to make with just a brass barbed fitting from Rona and a pipe thread tap.

[MICRider]

I bought my flywheel puller on eBay. Here's one: Flywheel Puller/Extractor For KYMCO VENTO PGO HONDA GY6 (http://www.ebay.ca/itm/Flywheel-Puller-Extractor-KYMCO-VENTO-PGO-HONDA-GY6-/170630345321?pt=AU_Motorcycle_Parts_Accessories&hash=item27ba5c7269) I bought it for my daughter's GY6 Monster quad, but it also fits horizontal dirt bike / atv engines and Honda (and clone) verticals.

Yes, I mean drill a hole in the upper valve cap that covers the valve adjuster. Here's a pic, but I didn't use an oil cooler, just the vented cap: 4 Stroke Oil Cooler Tube (http://scooterparts4less.com/web_gas/4Stroke_Oil_Cooler.htm) It's really easy to make with just a brass barbed fitting from Rona and a pipe thread tap.

Cool, thanks for the info!

[MICRider]

Yay me! Got a nice box 'o parts from dratv today... Think I have enough stuff now to build a bike!! :D

[SpudRider]

Yay me! Got a nice box 'o parts from dratv today... Think I have enough stuff now to build a bike!! :D
That's wonderful! We eagerly await your photos. :)

Spud :)

[Weldangrind]

I'll make some popcorn and wait right here.

[MICRider]

I got to playing around with the bike a bit last night, a few energy drinks (Kokanee) and I managed to get the engine in and some other bits done. Heres a few pics of my progress, I ask that you excuse the messy room though, it's kind of a junk/catch all storage room in my basement :lol:

Here's a picture of the bike with the stock engine removed

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1241.jpg

Here's a picture of the old ignition coil I pulled out... My mechanical abilities looked very Red Green'ish when I was around 10 or so... Lol!

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1242.jpg

Here's a picture of the engine installed in the chassis... It really was a bolt in affair. I just had to wait for the bolts to come from DRATV. Funny too, it's a small little engine but heavy enough that holding it up and aligning it while sliding in the motor mount bolts was very awkward!

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1245.jpg

I was having so much fun working on the old girl that I decided to slap on the new sprocket while I was at it. On the CT's it's just held on by a big snap ring so it was a cinch to change. I don't think I've ever ran a sprocket down this bad before. Here's a pic of the old sharktoothed one

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1247.jpg

And a pic of the shiny new Sunstar sprocket. I have a new chain for it as well but it came at a stock 120 links and I think it has to be cut down to 106 or 107.

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1248.jpg

I had also misplaced the rear axle, spacers and chain tensioners (30 some years will do that...) So I picked up new ones from DRATV as well.

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1249.jpg

Lol, also had to buy a new spring and the round tube thing the brake rod goes through...

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1250.jpg

So, I have to say it looks a lot better in more of one piece again. Got a ways to go on it and I'll end up buying more parts such as wheel bearings, brake shoes etc, but I'm just trying to get it "roughed in" first.

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1251.jpg

I'm happy I decided to repower it after checking it out closer... I had messed up a lot of stuff that I would have had to replace anyway. Plus, after riding that 90 a month or so ago I think the extra cc's will come in handy! I have footpegs for it (won on GIO for $2) but I have to cut the stand down as it's made for a 125 pit bike. Hoping the whole thing goes together as easily and as well as it has so far! :D

[Jim]

Nice work :)

[SpudRider]

Indeed, you've made very good progress, Stew! Please keep the photos coming! :)

Spud :)

[Weldangrind]

Lookin' good! 8)

The XR's use the same circlip arrangement to hold the rear sprocket on. I use an old scissor jack for installing and removing engines; much easier that way.

[MICRider]

Lookin' good! 8)

The XR's use the same circlip arrangement to hold the rear sprocket on. I use an old scissor jack for installing and removing engines; much easier that way.

Thanks :). Good tip on the jack, gotta work better than my knee did! It was funny too, I would get it all lined up but when I tried to grab the bolt and put it through I would move my knee! lol!

[MICRider]

Hmmm... Noticed something i never thought of... I got a shiny new carb with the Lifan, it even claims to be from Japan! Kicker is, the stock CT70 carb had the petcock built onto the side of the carb for the two lines from the tank to connect (one for main and one for reserve). The new carb only has one inlet line. Wondering, should I just plug off the main line and connect the reserve or should I hunt around for a three way valve? Have to be a pretty darn small valve though! Also, I picked up one of those chrome round air cleaners because my stocker had seen better days, looks like it will fit well with the supplied offset manifold :D. Any ideas on the petcock issue? TIA :)

[Jim]

It should work fine if you block it off, but when you run out, you'll be out, so I think it's up to you if you want to chance getting stuck... It is an easy bike to push :P

[MICRider]

It should work fine if you block it off, but when you run out, you'll be out, so I think it's up to you if you want to chance getting stuck... It is an easy bike to push :P

Yeah, I think I'll probably end up going that route... Just have to keep a closer eye on the fuel! Should run pretty much forever on a tank anyway :D. I'll still have to find a small shutoff for it though so I can shut the fuel off when it's parked. Slapped the carb on to see how it will fit and for cable routing... It just screams power!!! Lol :roll:

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1253600x450.jpg

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1252600x450.jpg

Has a nice little offset to it so the filter and the cable have lots of clearance... If I remember correctly the stocker came straight back.

http://i762.photobucket.com/albums/xx261/MICRider/CT70%20Repower/DSCF1254600x450.jpg

Hmmm... I think this might be more like a weekend project than a winter project. Gotta pace myself! :lol:

[Weldangrind]

You could use a Y and connect both lines to the carb, and then put an inline valve in each line. That would allow you to select main or reserve as you wish without being too cumbersome.

[MICRider]

You could use a Y and connect both lines to the carb, and then put an inline valve in each line. That would allow you to select main or reserve as you wish without being too cumbersome.

That's a good idea! I found a pic on the net of an aftermarket petcock that somebody bolted up to the frame... I think they were saying DRATV had them so I will have to do some hunting. I think I'll probably have to order some tubes too, my back tire keeps going flat and for all I know it might have the original tubes from 71 in it :lol:

[Jim]

You're making me want to get mine together :P

I should probably get the other one going first though :S

[Weldangrind]

I found decent inline valves at my local Yamaha dealer; he subsequently ordered more for TurboT and Jim.

[FastDoc]

I love it!

[Jim]

Actually I picked the one for the Beast up at Diamond Bar Equipment in Aldergrove... For some reason the guy at the Yamaha dealer didn't seem very keen on ordering me parts :roll: If we're talking about the same thing here.... ?

[MICRider]

Is this one something similar to the ones you guys got?

http://www.canadiantire.ca/AST/browse/2/OutdoorLiving/SnowRemoval/SnowthrowerAccessories/PRD~0603912P/Snowthrower+Universal+Fuel+Line+%26+Shut-Off+Valve+Kit.jsp?locale=en

1/4 inch inside diameter... Sounds about right but I would have to measure. At $12 a pop though I think I would only go for 1 :)[/url]

[Jim]

It's similar, except the ones we got were metal.

It has a plastic face with the label, but the body of it is metal.

http://i60.photobucket.com/albums/h32/truckgotstuck/DSCF2326.jpg

[MICRider]

I scooped a chain breaker at the Fort Saskatchewan Kawi dealership (Motion Pro, very pricey when bought at dealer!). I'm going to use it to cut the chain to the right length for my 70. I know the 70 uses a simple clip type replacement masterlink for the chain. I'm wondering though, when I have to replace the chain on my KLR (maybe next summer) will a clip type masterlink suffice? It currently has a riveted masterlink. I can use the breaker to break the chain but if I have to rivet it I will need another tool. Lol, guess I should have done my homework and ordered a combo breaker/riveter... My bad. Do you think a clip masterlink would be a good idea on the KLR or no?

[MICRider]

I scooped a chain breaker at the Fort Saskatchewan Kawi dealership (Motion Pro, very pricey when bought at dealer!). I'm going to use it to cut the chain to the right length for my 70. I know the 70 uses a simple clip type replacement masterlink for the chain. I'm wondering though, when I have to replace the chain on my KLR (maybe next summer) will a clip type masterlink suffice? It currently has a riveted masterlink. I can use the breaker to break the chain but if I have to rivet it I will need another tool. Lol, guess I should have done my homework and ordered a combo breaker/riveter... My bad. Do you think a clip masterlink would be a good idea on the KLR or no?

Lol, answering my own question. After searching a bunch on the KLR forums it seems that the clip style masterlink is the choice of the masses.

[Weldangrind]

I've never used any other than the clip type.

[MICRider]

Lol, I'm an idiot... I cut the chain to what I thought was the proper size, it seemed too long so I took one more link out not realizing that I had cut an inside link on one side and an outside link on the other. So, needless to say the master link wont go through the outside link... Doh! So, I guess I'll have to pick up another 420 master and splice the chain together. I felt so stupid after I realized what I had done I almost brained myself with a ratchet! :)

Moral of the story. I should pay more attention to what I'm doing when cutting chains. I had it right the first time :(

[SpudRider]

I'm sorry to hear of your chain mishap. However, don't feel bad; it is an easy mistake to make, Stew. ;) As usual, I agree with Weld; I much prefer a clip on the chain master link, as opposed to riveting the master link. :)

Spud :)

[Weldangrind]

All is not lost, Stew. You can use a special master link that mates dissimilar links. Check at your local bike shop.

[SpudRider]

All is not lost, Stew. You can use a special master link that mates dissimilar links. Check at your local bike shop.
Yes, I believe the special link is called a "half link." :)

http://www.jpcycles.com/product/601-145?utm_source=googleproducts&utm_medium=cse&utm_term=601-145&utm_campaign=none&zmam=95452747&zmas=1&zmac=1&zmap=601-145

Spud :)

[MICRider]

Ahh! Good to know, thanks guys! I had never heard of a half link before. I'll have to check the Fort's local Kawi shop for one of those. Failing that I guess I'll just have to go for a regular link and splice a chunk of the new chain in. My first "Doh!" moment on the little 70 :)

[SpudRider]

Personally, I wouldn't use a chain half link on my XR650L, or your KLR650, but you should be fine using the half link on your CT70, Stew. ;)

Spud :)

[MICRider]

Personally, I wouldn't use a chain half link on my XR650L, or your KLR650, but you should be fine using the half link on your CT70, Stew. ;)

Spud :)

That's what I was thinking as well, the 70 wont be putting out near the power of the bigger bikes. Might be just as easy to get a regular 420 link and splice in another chunk of the new chain as it might be too short even with the half link :). It's funny too, I've cut chains in the past (by grinding the heads off the pins and prying off the plates) but I've never run into cutting the wrong link before... Just lucky I guess. Oh well, I can chalk it up to experience anyway :). I'll have to replace the chain on my KLR next summer and you can be rest assured I wont make this mistake again! lol!

[MICRider]

Wow! I can't believe I haven't really done much to the little 70 all winter... Lol, it was supposed to be my winter sanity project! :lol:

Anyway, sorted the silly chain mistake out. I did end up just purchasing another master link and splicing in another chunk of the new chain. Should be safe with that, all brand new chain anyway, it just has two masters instead of one now :).

I finally got the footpegs mounted up but still have to cut the stand down. Way way down, I think it's about twice as long as it needs to be. I'll cut about a third off and then check to get a more accurate measurement. I'll use the pennies in the spring trick if I have to remove the spring and take the leg off. I think I can do it with it on the bike though, there's quite a bit of room.

I also put the gearshift and kickstart levers on. Boy, Weld wasn't kidding when he said they had major compression! Heck, I don't remember my CB450 being that hard to kick! I can also see how it would be very easy to break the kickstarter if you jumped on it at the wrong time. Seems to work best if you gently push it till it's past compression, then release the lever to let it return to the top and give it a healthy kick.

Mocked up the wiring to see if it would give me some spark as well. Pretty easy to wire them when your not doing lights and a battery. Not sure if I will go for lights at this point. Might just use it as a trail riding machine and not bother... Unless it runs and rides really nice, then I would have the itch to make it street legal again! :lol: She has spark, so no problem there. I'm going to redo a couple of the bullet connectors though, I think one cracked just plugging them together! Highest quality... Not! Very happy to see spark though, I'm pretty sure that's all that was wrong with it 35 years ago when I destroyed, er I mean dismantled it to fix it.... Lol!

So, still on the to do list:

Try to save the throttle assembly. Might have to replace cable and grip though.

Tidy up the wiring and connect the kill wires to the ignition switch.

Make brackets and mount the exhaust.

Cut the kickstand down.

Put the fuel tank and seat on... Should be a runner after that!

I can see another order to DrAtv though... Maybe the throttle stuff and some tires and brake shoes. Didn't realize how dodgy this stuff was until I started mucking around with it. That can all wait till I get it running though if I can get the sticky throttle to work better. Looking forward to getting the old girl running again. It's been a long time. 8)

[SpudRider]

Thanks for the update, Stew! I'm happy to hear you have spark. :D

Spud :)

[Weldangrind]

Glad to hear that you're making progress. Have you considered the China version as a parts source? Perhaps Visionary can hook you up.

Do you know a weldor? If not, you could chop it and mail it to me; I'll be happy to weld it and mail it back.

[MICRider]

Glad to hear that you're making progress. Have you considered the China version as a parts source? Perhaps Visionary can hook you up.

Do you know a weldor? If not, you could chop it and mail it to me; I'll be happy to weld it and mail it back.

Thank you for the generous offer Weld, I don't think I'll have to do any welding on it though. It looks like it's just flattened out and bent a little at the end... I think I can pull it off in a vice :). As far as the chinese parts, a lot of the DrAtv stuff is repro or chinese... I don't think Visionary would do too much for me these days so I would have to look elsewhere. Hopefully I have it all buttoned up in the next couple of weeks other than maybe the parts I might have to order :D

[katoranger]

I may have a set of good brake shoes.

[MICRider]

I may have a set of good brake shoes.

If you do I'll buy them off you Kato. I wish I had checked mine before I put my first parts order in to Dratv, the linings are barely above the steel shoe part. I don't think they have long to live :lol:

[katoranger]

I will go digging. Also check for throttle parts.

[katoranger]

I have some that are maybe half. The tag says CT90, but I think they are the same part. The fit in a 70 wheel. It may be better for you to order some new ones instead of shipping these from the US.

[MICRider]

Your probably right Kato, thanks for looking though :). Mine will run me for a while I think, that'll give me a chance to "debug" the bike and figure out what else I have to order. Nice part about Dratv is that if you order a few things the shipping doesn't go up that much.

[katoranger]

I think the shipping to Canada will eat up most of the savings. Going to list some parts up later. It I list something you need let me know.