[Tiito1231]

How many teeth do stock sprocket?

 

[EPR]

If its a Cag w/ #25 chain its 68 teeth w/ a 6 or 7 tooth pinion, a Cag w/ 05T-T8F 8mm chain is 54 teeth w/ a 6 tooth pinion.

 

[bikefactory]

Rear: 46T
Front: 15T
Correct me if I'm wrong!

 

[EPR]

You must have a 49cc 2 stroke Zenoah piston port engine w/ 15mm pumper carb, w/ primer bulb on the bottom and a transmission. That's T8F 8mm Chain and gears, up front, they have like 12 or 13 teeth to 20 teeth, for gear changes. Hard to find a bigger or smaller rear gear.