Yamaha YFM 660 Raptor 2 WD [2001-2005] - cast piston

PROX cast piston for Yamaha YFM 660 Raptor 2 WD

The PROX cast piston is designed as a suitable engine component replacement part for the Yamaha YFM 660 Raptor 2 WD built between 2001 and 2005. Its technical features support a targeted selection based on piston type, diameter, oversize and design of the piston crown.

Technical execution

• Material: aluminum
• Piston Type: Cast
• Piston compression: standard
• Diameter Ø: 101.00 mm
• Letter oversize: 100
• Oversize: +1.00
• Rings Quantity: Set
• Stroke: 4T
• Specificity: Flat crown / 1 valve pocket

The combination of 101.00 mm diameter and +1.00 oversize clearly characterizes this piston design. The flat crown with 1 valve pocket serves as a further selection feature when assigning it to the engine. The standard compression allows the piston to be assigned to the corresponding standard version.

Vehicle assignment

The PROX cast piston fits the Yamaha YFM 660 Raptor 2 WD in the full year range 2001-2005. Before ordering, check the existing motor data, especially diameter, oversize and crown design, so that the selection matches the installed motor.

Selection guide

In addition to the vehicle model and year of manufacture, the cast aluminum piston type, the 4T version and the flat piston crown with 1 valve pocket are particularly relevant for identification.