Yamaha YFM 600 Grizzly 4 WD [1998-2001] - forged pistons

PROX forged pistons for Yamaha YFM 600 Grizzly 4 WD

The PROX forged piston is designed as a replacement piston for the Yamaha YFM 600 Grizzly 4 WD from the 1998-2001 model year range. Its technical features are tailored to this vehicle assignment and the specified piston specification.

Piston type and design

The piston is made of aluminum and is forged. The standard piston compression allows selection based on the specified compression design. The flat crown has a hollow area and 2 valve pockets.

Technical data

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 96.50 mm
• Letter oversize: 150
• Oversize: +1.50
• Ring design: set
• Stroke: 4T
• Crown: flat with hollow area and 2 valve pockets

Vehicle assignment

The forged piston is intended for the Yamaha YFM 600 Grizzly 4 WD, built between 1998 and 2001. The selection should be based on the complete model, the year of manufacture and the stated oversize.

Factual advice on selection

The diameter of 96.50 mm, the oversize +1.50 and the letter 150 are particularly important for the assignment. The version with standard compression and 4T specification complements the technical characteristics of this PROX piston.