1998 Yamaha WR400FK CYLINDER This part is number 028 on this diagram Quantity required per assembly: 1
1998 Yamaha YZ400FK CYLINDER This part is number 028 on this diagram Quantity required per assembly: 1
1999 Yamaha WR400FL CYLINDER This part is number 028 on this diagram Quantity required per assembly: 1
1999 Yamaha YZ400FL CYLINDER This part is number 028 on this diagram Quantity required per assembly: 1
2000 Yamaha WR400F (WR400FM) CYLINDER This part is number 027 on this diagram Quantity required per assembly: 1