Crank Services

Roy’s Rides rebuilds 2 stroke crankshafts.

The seals in old two strokes deteriorate over time and need to be replaced. It is getting harder to find someone to rebuild these cranks and has gotten more and more expensive, so I have decided to do this myself.

Start your crank rebuild by filling out this form and emailing to


Click here to see a video

I rebuilt the crankshaft for Michael’s 1967 Yamaha CS1 race bike. He ran it at the AHRMA nationals in New Jersey and had a great weekend finishing 4th in 200gp, 3rd in F125 Saturday. 3rd in f125 Sunday and second 200 gp Sunday.