Originally Posted by georgeknight
I've tried a new plug, no help. My bike has a 10 tooth front sprocket.
Weight should not be a problem as I weigh 140. It does seem to try to get to the power band but falls just short. The motor seems to be lacking enough fuel to get going but it runs fine with the 44 tooth. It just turns too many rpm's running 30 mph, but the stock carb may need to be modified somehow. I wish I had a carb that I could adjust the air fuel mixture
The motor is a 80cc China girl.