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.

Wiseco Wiseco 4 Stroke Forged Series Piston Kit, 92.00 mm Bore, 13.5:1 CR 4650M09200

Specifications:

Description_DEF	Engine Piston
Description_DES	Yamaha YZ400 '98-99/WR400F '98-00 13.5:1
Description_EXT	Wiseco 4 Stroke Forged Series Piston Kit, 92.00 mm Bore, 13.5:1 CR
Description_FAB	Engineered, forged, and machined in the USA in Mentor, OH Designed and built for each specific 4-stroke powersports engine Improved tensile strength of forged material optimizes strength and service life Dedicated forgings allow for optimized strength-to-weight ratio Includes high-quality piston rings, wrist pin(s), and circlips
Description_INV	Yamaha YZ400 '98-99/WR400F '98-00 13.5:1
Description_MKT	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.
Description_SHO	Piston Kit
Description_TLE	Wiseco 4 Stroke Forged Series Piston Kit, 92.00 MM Bore, 13.5:1 CR

This Part Fits:

Year	Make	Model	Submodel	Notes
1998	Yamaha	WR400F
1999	Yamaha	WR400F
2000	Yamaha	WR400F
1998	Yamaha	YZ400F
1999	Yamaha	YZ400F