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 part for the Yamaha YFM 600 Grizzly 4 WD in the 1998-2001 model year range. The design combines a forged piston type with aluminum as a material and a standard piston compression.

Technical features

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 97.00 mm
• Oversize: +2.00
• Oversize marking: 200
• Rings Quantity: Set
• Stroke: 4T

Piston crown and engine design

The piston crown is flat and has a hollow area. The piston also has 2 valve pockets. These design features assign the component to the specified 4T version and support the correct selection based on the existing engine data.

Vehicle assignment

The forged piston is for the Yamaha YFM 600 Grizzly 4 WD, built between 1998 and 2001. Before making a selection, the diameter, oversize and design of the existing motor should be compared with the technical data of the replacement part.

Selection by oversize

With a diameter of 97.00 mm and an oversize of +2.00, this piston is designed for the specified cylinder size version. The marking “200” serves as an additional feature to assign the oversize.