1985 Yamaha YZ250N CRANKSHAFT-PISTION This part is number 001 and 017 on this diagram Quantity required per assembly: 2
1986 Yamaha YZ250S CRANKSHAFT PISTON This part is number 001 and 017 on this diagram Quantity required per assembly: 2
1987 Yamaha YZ250T CRANKSHAFT - PISTON This part is number 001 and 017 on this diagram Quantity required per assembly: 2