no start

Hi, couldnt figure out this issue so this is my first experience with this fourm. Just finished building a 49cc chinese bike kit, and wont start. Pops a couple times here and there but nothing lasting. After riding for 50ft spark plug is totally blackened. Figured it was running to rich, even...

I bought a used motor from a coworker. I have replaced the CDI, magneto, throttle, carburetor, clutch (the handle/cable and camshaft/ball) and drive chain. I have spark. It seems like the new carburetor is operating as intended, as when I push the little button on the side the chamber floods...

Hey there. I have an 80/66 cc 2 stroke engine with a no spark problem. I have replaced my magneto and spark plug and even got an hd lightning cdi. Still no spark. Gap is at .025 on spark plug. Readings on ohm meter are consistent with a good ignition system. Im stumped and a little outside help...

I bought a new partially assembled Whizzer Ambassador in 2008 from Lizak Industries in Palmer, Massachusetts, and was never able to start it upon full assembly. The Lizak people were unwilling to help, and then Whizzer went under. A local shop tried everything they could, and found they couldn't...

finished up my bike grubee skyhawk gt5 with sbp shift kit. having a lot of trouble with what to do with the wires. i put blue to blue and same with black. what is the white wire for and so i need it for anything? bike will not start and im getting no spark. any help will be greatly appreciated...