- Improved tensile strength of forged material optimizes strength and service life
- Designed and built for each specific 4-stroke powersports engine
- Dedicated forgings allow for optimized strength-to-weight ratio
- Includes high-quality piston rings, wrist pin(s), and circlips
- Engineered, forged, and machined in the USA in Mentor, OH
- 100.50 mm Bore, 9.9:1 CR
Upgrade your Yamaha YFM660 series with the Wiseco forged piston kit, designed specifically for models including the Raptor, Grizzly, and Rhino from 2001 to 2005. Crafted with precision in the USA, this high-performance piston features a 100.50 mm bore and a compression ratio of 9.9:1, delivering increased power and reliability for your powersports engine. The forged construction enhances tensile strength, ensuring longer service life and improved durability under demanding riding conditions. Each piston kit includes high-quality piston rings, wrist pins, and circlips, providing a complete replacement solution for your engine overhaul. This kit is engineered for optimal strength-to-weight ratio, balancing performance and longevity to meet the rigorous standards of competitive and recreational riding.
Features:
- Forged construction with improved tensile strength for enhanced durability and longer service life
- Precisely engineered for Yamaha YFM660 Raptor, Grizzly, and Rhino models from 2001 to 2005
- Includes high-quality piston rings, wrist pin(s), and circlips for a complete installation
- Designed and manufactured in the USA with tight tolerances for optimal performance
- Optimized strength-to-weight ratio for improved engine response and reliability
