This is what happens when you buy a cheap friction drive roller kit! The threaded part of the roller snapped where it screws into the clutch drum. I was just cruising down the road doing about 25 MPH when all of the sudden I lost speed but the engine was still running. The vendor was cool enough to send a replacement but I don't use this kit any more, it's just sitting in a box collecting dust.
Cpu, I Have One Of Those Kits. Mine Is From Livefast M. It Has The One Piece Roller And Shaft. Have Not Used It, It Has The 40cc Eng. How Many Miles Did It Last?? Me Thinks Some Thing Was Out Of Line, Not Straight. Like Bending A Piece Of Wire Until It Breaks. A Tiny Flex With Each Revolution. Ron