Finally bought a China girl engine last week to see what all the fuss was about. I love this thing! I'm especially fond of this thing's clutch. I'm thoroughly impressed with it altogether, even if it was made in China. Kind of confused me a little when I didn't get a fortune cookie in the box though.
So far I have about 8.5 miles on it, but I'm already running in to issues.
It only gets up to 30 mph max, and that's after being wot on a flat road for a long long time. It has the 44t rear sprocket, standard 66cc 2 stroke kit with an NT carburetor. I've set the needle at the 2nd notch from the top after finding it close to the bottom. Before that it would bog down on throttle transition from idle, so I tinkered with the position of the clip and found the 2nd from the top was the best place for throttle response. Not sure if 30 is normal, but from what I was seeing with others and the 44t sprocket that they were getting closer to 40 mph.
The carb doesn't fit. I had to rig a temporary intake made from heater hose and 1/2" pipe until I can make a decent manifold for it. No air leaks from this set up, but I don't expect the heater hose to last very long.
Most importantly, the chain stays are getting eaten up from the chain. I've seen where some people stretch this area, but my frame looks like it can't be stretched in that spot because of the rear brake. Maybe you guys can shed some light on this one on what I can do. I'm an experienced welder, so fixing that chewed spot won't be an issue, but I'd like to know what I can do to prevent it from happening again.
Thanks for looking!
Terrence
And my other "motorized bike"
So far I have about 8.5 miles on it, but I'm already running in to issues.
It only gets up to 30 mph max, and that's after being wot on a flat road for a long long time. It has the 44t rear sprocket, standard 66cc 2 stroke kit with an NT carburetor. I've set the needle at the 2nd notch from the top after finding it close to the bottom. Before that it would bog down on throttle transition from idle, so I tinkered with the position of the clip and found the 2nd from the top was the best place for throttle response. Not sure if 30 is normal, but from what I was seeing with others and the 44t sprocket that they were getting closer to 40 mph.
The carb doesn't fit. I had to rig a temporary intake made from heater hose and 1/2" pipe until I can make a decent manifold for it. No air leaks from this set up, but I don't expect the heater hose to last very long.
Most importantly, the chain stays are getting eaten up from the chain. I've seen where some people stretch this area, but my frame looks like it can't be stretched in that spot because of the rear brake. Maybe you guys can shed some light on this one on what I can do. I'm an experienced welder, so fixing that chewed spot won't be an issue, but I'd like to know what I can do to prevent it from happening again.
Thanks for looking!
Terrence
And my other "motorized bike"