not sure whats going on pulling out my hair
bike ran fine going to the dunes wanted more power little low on comp, so i put new piston and rings in and went from 21cc to 18cc domes went from 130lbs comp to 188 comp running vp u2 110 octane fuel and amsoil series 2000 at 50:1 i have 300 main jets and im not sure what pilot jet with 1|2 turn out on carbs (stock carbs) and after wide open runs not sure how far 4.5 blocks long do a plug reading and plugs are rusty looking even the ground strap bike seems to run fine little boggy from idle off but other then that fine
please help going bald