Originally Posted by TheOtherStyle
I honestly don't know the diameter, but I am assuming that tooth spacing stays the same and that the size would be a linear increase. Do you think the HF 2.5 would pull hard enough from a stop with the 10/80 setup, or should I still look into a jackshaft setup with a different gearing setup?
I did a setup using that HF 80cc engine with just 10 tooth clutch and 112 tooth rear sprocket which turned out to be way too big (too slow, too much pull). Disabling the governor and a smaller rear sprocket would be perfect.