WISECO 69mm PISTON KIT YAMAHA YZ250 1992-1998, WR250 1992-1997

Part No. 56-W677_100_WI
YAMAHA YZ250 1992 - 1998,
YAMAHA WR250Z 1992 - 1997,
Wiseco Pro-Lite Piston Assembly - 677M06900
Durability, longevity and increased horsepower

Innovative forging design and piston skirt provide maximum horsepower and torque Lightweight wrist pins enable faster revs and quicker throttle response Ceramic Composite-Cylinder sleeving or replating required for oversizes Top-End bearing available-part no. B1014
Two CW18 circlips

One S508 wrist pin
Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.