Can't find the right size front sprocket?

[ExtremeModz]

I may have your solution. I recently bought a new Kenda TrackMaster II knobby for the back. It's an amazing tire but the knobbies are so tall that it changes my gear ratio substantially. I called Bruce up from EJ cycles as seen in the parts thread. I had a 17T and was looking for a 15T FS. He told me that he could not get me a 15 only 14, 16 or 17. He told me as far as he knew they did not exist. I figured it out and a 15 would be optimal and he agreed. Then I looked on eBay and found a ZG in 15T. Bruce said even though it was the same size shaft it would not work. Well I wanted to find out for myself and I did. Turns out the notches are slightly smaller cut but you can get them in any tooth you can imagine for about $11 bucks sent. Well I realized that the size difference was slight and got out my dremel again I took a small grinding bit and ran it on the edges of each notch making them wider. I made sure to do one at a time evenly and when I was done I was amazed it fit on there perfect, like a glove! Took me about 5 minutes as I was being careful.

Now you can buy any size front sprocket you could ever need, as long as you have a dremel that is. This should help a buncha people. CHOW!

After cutting it..




Fits like a glove!

[katoranger]

I bought a 15T from Bruce last fall.

Allen

[ExtremeModz]

Originally Posted by katoranger

I bought a 15T from Bruce last fall.

Allen

He may of been able to get them back then? I know he said now he can't. I wondered where you got your 15 because I saw you had one in a post you made I was going to ask but now I know.

[katoranger]

Maybe. I haven't used it yet.

What else have you done to your bike?

Allen

[ExtremeModz]

Originally Posted by katoranger

What else have you done to your bike?

Allen

You want the short list? Lifan GY 5

Perreli Scorpion front tires
Kenda Trackmaster II rear
Digital Engine Temp Guage
Oil Cooler, (tapped into engine)
118 Main Jet
K&N style Filter
Front shock spacers, thicker oil (stiffer for jumping)
GY7 weld in bottom frame section
Orion wavy style brake rotors
Performance Spark Coil
Custom battery box (Still located on the side)
Aluminum rear sprocket
Full aluminum racing exhaust from a 250 Orion bike
Komoto 20 hp 250cc engine
2003 KX 400cc stock Rear shock, (direct swing arm mount)
Stage 2 Cam
Performance CDI
Halogen 65 watt headlight
Flat black paint in back to eliminate reflection
Bored out carb
Bored out intake piece
Ported engine intake and exhaust to match
Performance clutch springs
Performance clutch pack
Aftermarket grips (thicker and stickier)
Bike is raised 3 inches front and back.
Longer kickstand to make up for the height difference
GPS direction system + speedometer.
Gold O ring chain
Cloth mini trunk bag
Fuel reserve tube modified for 15 mile reserve distance
Braided brake lines front and rear
Clear fuel line with filter
Shaved clutch and brake levers

A few other interesting mods are coming soon :wink:

[kczukiman]

Wow do you have any pics?

[duck]

Can't find a ZG brand sprocket anywhere, might you know what application it was sold for?? I see a 15 tooth 420 chain 'pitbike' sprocket that sure looks like yours, but looks...well...not so good when talking mechanical fitment .

duck

[ExtremeModz]

Originally Posted by duck

Can't find a ZG brand sprocket anywhere, might you know what application it was sold for?? I see a 15 tooth 420 chain 'pitbike' sprocket that sure looks like yours, but looks...well...not so good when talking mechanical fitment .

duck

Sure, these are the links for the typical 13,14,15,16,17. I ordered mine and it came to my house the next day.


13T

http://cgi.ebay.com/ebaymotors/428-1...itemZ370059939
821QQcmdZViewItem?hash=item370059939821&

14T
http://cgi.ebay.com/ebaymotors/428-1...INE-SPROCKET-P
IT-BIKE-XR50-CRF50_W0QQitemZ360060919764QQcmdZViewItem?hash=ite m360060919764&

15 T
http://cgi.ebay.com/ebaymotors/_ATV-...temZ1602516194
24QQadnZATVQ20PartsQ20Q26Q20AccessoriesQQadiZ2869Q QcmdZViewItem?hash=item160251619424&

16T
http://cgi.ebay.com/ebaymotors/428-1...m370059939801&

17T
http://cgi.ebay.com/ebaymotors/_Moto...0060919752QQad
nZMotorcycleQ20PartsQ20Q26Q20AccessoriesQQadiZ2863 QQcmdZViewItem?hash=item360060919752&

[IronFist]

Originally Posted by kczukiman

Wow do you have any pics?

I think he meant of the mods??? 8)

[ExtremeModz]

Originally Posted by IronFist

I think he meant of the mods??? 8)

yes, I am planning on posting full write ups and pics on all of them when I get the time. I do not want to go off topic here.

[kczukiman]

Originally Posted by ExtremeModz

yes, I am planning on posting full write ups and pics on all of them when I get the time. I do not want to go off topic here.

Yes I was talking about pics of your mods.So yes please by all means stay on topic and welcome back. :wink:

[AZ200cc]

Originally Posted by IronFist

I think he meant of the mods??? 8)

I hope that what's he meant

[kczukiman]

Originally Posted by AZ200cc

I hope that what's he meant

Don't make me go and edit my post. :oops:

[duck]

Oke, got a 15 coming. Prolly should have just grabbed 14, 15, 16, 17 to see how the changes work but I'm in a cheap mood today...

[red2003]

Originally Posted by kczukiman

Yes I was talking about pics of your mods.So yes please by all means stay on topic and welcome back. :wink:

Yeah, welcome back.. Please post a pic of the bike with all the mods. We're all really, really interested to see it.