no power

Hi everyone, I am BEYOND frustrated with my motorized bike. I finished assembling my bike yesterday and it starts - but just barely. I peddle up to about 5-10 mph and release the clutch to engage the motor. The motor engages but there is absolutely no power whatsoever. There is also no idle -...

Hi guys, I have tried all sorts of resolutions and need help. I installed an 80cc 2 stroke bicycle engine kit installed. The problem: The engine will start right up. Once the engine is started I cannot get the bike over 15 mph. It 'lugs' along, and the engine will not rev high. when...

Hello, I recently purchased a bike with a kit installed used from someone (seeming like a bad idea) and i'm having issues getting the bike to accelerate. The bike starts very easily, it only needs a few pedals before I can release the clutch and it starts right up but it has zero acceleration...

Hi everyone! Im new here and new to motorized biking aswell. i recently completed my modern style board racer inspired project with a chinese engine Kit. I was riding and my engine(2stroke 67cc Slanthead) lost power and after 100-150feet it stopped running. It would still rev after i got it...

:-|| ive got a 66cc grubee Skyhawk kit. its got 400 miles on it. its been running great. it started losing power gradually and I found the air filter was getting clogged with oil. I sprayed it with some brake cleaner and compressed air and it worked fine. the other day I took it on a long ride...