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Old 04-02-2020, 03:49 PM   #136
Chrisguga   Chrisguga is offline
 
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Ah, I was under the impression you achieved 81 mph pulling 10k in 5th. That’s why I was worried about effectively decreasing my torque with the sprocket when I already can’t pull redline in 5th.


 
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Old 04-06-2020, 10:52 AM   #137
JerryHawk250   JerryHawk250 is online now
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Chris,
I was doing some maintenance on both my bikes over the weekend and noticed that i had a gap between the stud and hub. I ended up putting washers on the stud to take up the gap. There is no need to groove the back of the sprocket so the only information you need to give them is the center hole size, bolt hole size and diameter of bolt pattern. I just assumed i had to recess the studs since the stock sprocket was recessed. That will simplify the order.
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2023 Lifan Lycan 250 Chopper
2023 Venom Evader
2022 Lifan KPX250
2020 Kawasaki Vulcan S (Sold)
2004 Honda ST 1300
2016 Black Hawk 250 (sold)
Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster
2016 Cazador180 XL
2014 Coolster150
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Last edited by JerryHawk250; 04-06-2020 at 04:25 PM.
 
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Old 04-06-2020, 01:43 PM   #138
Chrisguga   Chrisguga is offline
 
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I went ahead and ordered a 36 tooth sprocket. That should put me around 5600 rpm at 60mph which is perfect since peak torque is 5500 rpm and peak hp is at 7000. I hope to have the cat out this week and the 105 jet in and ready to go.

Thanks again for for your help, Jerry.
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2019 Venom X22R
K&N pod air filter, removed cat, 105 main jet, 36 tooth rear sprocket, RK racing 428 chain, oil cooler, NGK plug, bar risers, aftermarket mirrors, Grab On grip covers, phone mount/charger, Pro Grip tank protector, Chase Harper tank, tail, and saddle bags.


 
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Old 04-07-2020, 10:01 AM   #139
JerryHawk250   JerryHawk250 is online now
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You'll like the bike more after the sprocket change.
Did you ever receive your handle bar risers? My order was never shipped so i ended up cancelling the order and found them on Ebay for a little less and could only find them from China. No body had them in stock in the US. I placed the order on April 2nd and they have already past through customs and on there way here. I should have them by the end of the week.
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2023 Lifan Lycan 250 Chopper
2023 Venom Evader
2022 Lifan KPX250
2020 Kawasaki Vulcan S (Sold)
2004 Honda ST 1300
2016 Black Hawk 250 (sold)
Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster
2016 Cazador180 XL
2014 Coolster150
JerryHawk250.com
My YouTube Channel


 
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Old 04-07-2020, 11:16 AM   #140
Chrisguga   Chrisguga is offline
 
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Quote:
Originally Posted by JerryHawk250 View Post
You'll like the bike more after the sprocket change.
Did you ever receive your handle bar risers? My order was never shipped so i ended up cancelling the order and found them on Ebay for a little less and could only find them from China. No body had them in stock in the US. I placed the order on April 2nd and they have already past through customs and on there way here. I should have them by the end of the week.
Well dang, Amazon shows it as shipped, but the tracking number shows that the USPS is awaiting shipment.

I also just purchased the item from eBay and cancelled my Amazon order.
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2019 Venom X22R
K&N pod air filter, removed cat, 105 main jet, 36 tooth rear sprocket, RK racing 428 chain, oil cooler, NGK plug, bar risers, aftermarket mirrors, Grab On grip covers, phone mount/charger, Pro Grip tank protector, Chase Harper tank, tail, and saddle bags.


 
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Old 04-07-2020, 11:23 AM   #141
Chrisguga   Chrisguga is offline
 
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So, I was up until 3am working on the exhaust and rejetting the carb to the 105 main jet. I can definitely feel a power increase at mid throttle. I haven’t gone WOT just yet. I’m going to tune the idle mixture after work as I didn’t feel like messing with it last night.

I’m very happy with the mod so far! The bike is really waking up between the engine breaking in, the air filter, cat removal, and larger jet. The sprocket should be here this week too.
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2019 Venom X22R
K&N pod air filter, removed cat, 105 main jet, 36 tooth rear sprocket, RK racing 428 chain, oil cooler, NGK plug, bar risers, aftermarket mirrors, Grab On grip covers, phone mount/charger, Pro Grip tank protector, Chase Harper tank, tail, and saddle bags.


 
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Old 04-07-2020, 11:25 AM   #142
Chrisguga   Chrisguga is offline
 
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I think the weld came out great, personally. The thin wed is the factory weld, for comparison. I have black exhaust wrap on the way. I could have ground the welds out to look even nicer, but that seems pointless up under the bike and it’ll get wrapped anyway.

Here’s a pic of the K&N filter from the top, too.
Attached Images
File Type: jpg 3ACC1A88-DABA-49FA-8318-E73BC642CE96.jpg (19.3 KB, 218 views)
File Type: jpg 38260AEE-5FE6-4A91-B88E-4E61599160F4.jpg (12.4 KB, 220 views)
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2019 Venom X22R
K&N pod air filter, removed cat, 105 main jet, 36 tooth rear sprocket, RK racing 428 chain, oil cooler, NGK plug, bar risers, aftermarket mirrors, Grab On grip covers, phone mount/charger, Pro Grip tank protector, Chase Harper tank, tail, and saddle bags.


 
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Old 04-07-2020, 11:25 AM   #143
JerryHawk250   JerryHawk250 is online now
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Quote:
Originally Posted by Chrisguga View Post
Well dang, Amazon shows it as shipped, but the tracking number shows that the USPS is awaiting shipment.

I also just purchased the item from eBay and cancelled my Amazon order.
That's the same thing that happen with two orders i made. I cancelled both and ordered through Ebay.
__________________
2023 Lifan Lycan 250 Chopper
2023 Venom Evader
2022 Lifan KPX250
2020 Kawasaki Vulcan S (Sold)
2004 Honda ST 1300
2016 Black Hawk 250 (sold)
Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster
2016 Cazador180 XL
2014 Coolster150
JerryHawk250.com
My YouTube Channel


 
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Old 04-07-2020, 11:30 AM   #144
JerryHawk250   JerryHawk250 is online now
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Quote:
Originally Posted by Chrisguga View Post
So, I was up until 3am working on the exhaust and rejetting the carb to the 105 main jet. I can definitely feel a power increase at mid throttle. I haven’t gone WOT just yet. I’m going to tune the idle mixture after work as I didn’t feel like messing with it last night.

I’m very happy with the mod so far! The bike is really waking up between the engine breaking in, the air filter, cat removal, and larger jet. The sprocket should be here this week too.
It came out great! Yes all these little mods add up and gets better with the miles. After giving Venom some feed back on the sprocket they will try to get these bikes with a 38 tooth on the next batch and better mirrors. They really like getting feed back as it helps them correct issues so the next one will be better.
__________________
2023 Lifan Lycan 250 Chopper
2023 Venom Evader
2022 Lifan KPX250
2020 Kawasaki Vulcan S (Sold)
2004 Honda ST 1300
2016 Black Hawk 250 (sold)
Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster
2016 Cazador180 XL
2014 Coolster150
JerryHawk250.com
My YouTube Channel


 
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Old 04-07-2020, 08:06 PM   #145
Chrisguga   Chrisguga is offline
 
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The cheap original battery doesn’t seem to hold a charge very well and I plan to change it out, but I get tired of having to remove the side panel to charge it. I mounted this remote charge location under the seat which makes things much easier.

I fused it with a 10 amp fuse although I may step it down to a 7.5 if this is too much. Opinions?

I connect the positive to this and the ground to somewhere on the bike. The exhaust hanger and also the bolt for the fuel tank work well.

This isn’t a pretty job, but it’s all quality stuff. All connections are 3M heat shrink, the rubber insulated wire clamp is stainless, the fuse holder is waterproof, and the wire is marine grade tinned copper. Blue is 10ga and the yellow is 12ga. I also mounted the fuse holder so the fuse can be changed out if needed without disassembling anything. I have all saltwater rated wiring components on hand because I boat mostly in saltwater and saltwater is not forgiving on electrical components!
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2019 Venom X22R
K&N pod air filter, removed cat, 105 main jet, 36 tooth rear sprocket, RK racing 428 chain, oil cooler, NGK plug, bar risers, aftermarket mirrors, Grab On grip covers, phone mount/charger, Pro Grip tank protector, Chase Harper tank, tail, and saddle bags.



Last edited by Chrisguga; 04-07-2020 at 10:05 PM.
 
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Old 04-07-2020, 10:13 PM   #146
Chrisguga   Chrisguga is offline
 
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I think I have the tuning fairly spot on except the idle mixture screw isn’t behaving as I’d expect. It’s on the fuel side so when I turn it clockwise, it should lean the mixture until it eventually restricts too much fuel and cuts off the engine.

Mine is acting the opposite way and lowers the idle and cuts the bike off as I turn the screw counterclockwise and out. It idles better and higher when I turn the screw in.

Either way, it’s idling great, the throttle is snappy off idle, it pulls smoothly without any bog or flat spots to redline, and the exhaust definitely has a sharper bark with that cat removed. I’m a happy camper and this will do just fine until I port and shave the head over the winter.

My sprocket supposedly shipped today with a 3 day shipping estimate so it might be here by Friday. Jerry, you said to grind off the old pins on the links you want to remove in the chain and that there is a master link to reconnect the chain. Is there anything at all I need to buy to do this? Any tool or new pins or links? I have plenty of grinding options. Thanks!
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2019 Venom X22R
K&N pod air filter, removed cat, 105 main jet, 36 tooth rear sprocket, RK racing 428 chain, oil cooler, NGK plug, bar risers, aftermarket mirrors, Grab On grip covers, phone mount/charger, Pro Grip tank protector, Chase Harper tank, tail, and saddle bags.


 
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Old 04-08-2020, 04:01 AM   #147
franque   franque is offline
 
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Is that screw on the filter side or the engine side?


 
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Old 04-08-2020, 07:04 AM   #148
Chrisguga   Chrisguga is offline
 
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Quote:
Originally Posted by franque View Post
Is that screw on the filter side or the engine side?
Engine side. The tighter I screw it in to the right, even fully seated, the better it idles. This goes against what I thought should happen.
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2019 Venom X22R
K&N pod air filter, removed cat, 105 main jet, 36 tooth rear sprocket, RK racing 428 chain, oil cooler, NGK plug, bar risers, aftermarket mirrors, Grab On grip covers, phone mount/charger, Pro Grip tank protector, Chase Harper tank, tail, and saddle bags.


 
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Old 04-08-2020, 07:05 AM   #149
franque   franque is offline
 
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It could be too big of a pilot. I'd step it down a size and see what that does for you.


 
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Old 04-08-2020, 07:39 AM   #150
JerryHawk250   JerryHawk250 is online now
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Quote:
Originally Posted by Chrisguga View Post
Engine side. The tighter I screw it in to the right, even fully seated, the better it idles. This goes against what I thought should happen.
You should be around 1 1/2 to 1 3/4 turns out. From what yo posted earlier it sounds like you got it.
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2023 Lifan Lycan 250 Chopper
2023 Venom Evader
2022 Lifan KPX250
2020 Kawasaki Vulcan S (Sold)
2004 Honda ST 1300
2016 Black Hawk 250 (sold)
Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster
2016 Cazador180 XL
2014 Coolster150
JerryHawk250.com
My YouTube Channel


 
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