range?

OK. So this site has great mandates (and info) on NOT removing the governors to exceed the factory governed speed of 3600rpm (spec 3600 +/- 150 rpm per manual). The first thing a kid usually hears when even mentioning wanting to own a mini-bike is that it is dangerous and to "forget about it"...

Hi all. I'm still having problems with this engine of mine. Now it likes to entirely bog down and cut power when I hit about 4k and it sputters at that rpm until I let off and decelerate. If I start from a stand still the engine revs perfectly and sounds excellent until then. The plug reads a...