By Wiseco

Wiseco 90-06 Yamaha YFM/YFB250 8.71 (4675M07200) Piston Kit

Regular price $256.99
Regular price $285.95 Sale price $256.99
-$28.96
Brand: Wiseco
Availability: Out of stock
SKU: WISPK1056
Photo - Primary
Regular price $256.99
Regular price $285.95 Sale price $256.99

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

  • Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
  • Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
  • Performance-Enhancing Features: Varied across applications to maximize both durability and power
  • 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
  • 72.00 mm Bore, 8.7:1 CR

This Part Fits:

Year Make Model Submodel
1992-1998 Yamaha YFB250 Timberwolf 2x4 Base
1994-2000 Yamaha YFB250FW Timberwolf 4x4 Base
2000-2004 Yamaha YFM250 Bear Tracker Base
2007-2009 Yamaha YFM250 Big Bear Base
2005-2006 Yamaha YFM250 Bruin Base