PISTON KIT YZ490 WR500 84-90, WISECO 546M08800

Part No. 56-W546+100 (oro2u.com)
YAMAHA YZ490 1984-1990,
YAMAHA WR500Z 1992-1993,
Overview of Wiseco Pro-Lite Piston Assembly - 546M08800
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 Top-End bearing available-part no. B1014
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.
Included Items: One 88.0mm piston Two 3465TD rings Two CW18 circlips One S277 wrist pin