Thinking of straight chaining my Coleman, it seems loud and unnecessary and is rubbing slightly on the frame, anyone have any tips or opinions on this is appreciated, thanks
The straight chain does seem like a cheaper and more mechanically efficient way to go, but it lowers your gear ratio such that it’ll accelerate much more slowly (likely with lots of clutch slip to make it nice an hot), then once you get going, you’ll have a bit higher top speed. Personally, I think this reduces the ride-ability, and would prefer the stock jackshaft setup. THAT SAID, as others suggested, a torque converter mod is definitely the way to go. You get good acceleration AND the top speed to boot. You may need a 5/8” to 3/4” shaft adapter, 1” engine spacers, and possibly have to trim the bottom of the TC plate. Not too difficult, and with TC’s going for about $50, it’s not that expensive.
Thinking of straight chaining my Coleman, it seems loud and unnecessary and is rubbing slightly on the frame, anyone have any tips or opinions on this is appreciated, thanks
You likely would need a much larger rear sprocket, I'm guessing 70-80 tooth count... The Mega Moto Mega Max 212 (no jackshaft, no torque converter) had a 72 tooth sprocket, IIRC. Just mentioning that for reference, it has a 3-bolt pattern and would not bolt-on your EX. A large sprocket would probably cost more than a torque converter.
Azusa Parts may have sprockets that would fit, you'd need to measure your bolt circle, bolt hole diameter and hub diameter. You could have a sprocket custom made, there are plenty of companies that do that, but it would be expensive.
I mostly ride in the road and I'm 175 lbs, with the expensive rear sprocket needing changed i might look into that 50 dollar TC, i have two bikes and 1 has the 3/4 shaft so i think ill do it to that one
I mostly ride in the road and I'm 175 lbs, with the expensive rear sprocket needing changed i might look into that 50 dollar TC, i have two bikes and 1 has the 3/4 shaft so i think ill do it to that one
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