PISTON KIT 89-99 RM125 54.50, WISECO 641M05450
PISTON KIT 89-99 RM125 54.50, WISECO 641M05450. Wiseco Pro-Lite Piston Assembly - 641M05450. 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. SCEM Composite-Cylinder sleeving or replating required for oversizes. Top-End bearing available part no. B1013. Two CW15 circlips, One S467 wrist pin. Pistons, rings and kits are sold by application and bore size. 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.
- SKU
- 56-W641_050_WI
- Brand
- Wiseco
- Availability
- In Stock (1)
FULL DESCRIPTION
Wiseco Pro-Lite Piston Assembly
Enhance your motorcycle's performance with the Wiseco Pro-Lite Piston Assembly. Engineered for durability, longevity, and increased horsepower, this piston features an innovative forging design and piston skirt to maximize power and torque output.
The lightweight wrist pins contribute to faster revs and quicker throttle response, giving you a competitive edge. Please note that SCEM Composite Cylinder sleeving or replating may be required for oversizes. A compatible Top-End bearing is available separately (part no. B1013).
This piston kit includes:
- Two CW15 circlips
- One S467 wrist pin
Wiseco pistons, rings, and kits are sold by application and bore size. It is essential to know the standard bore size of your application to order the correct standard or oversized piston. For assistance in selecting the right part, please contact technical support.


