Yamaha YFZ 450 R Special Edition 2 WD [2009-2018] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YFZ 450 R Special Edition 2 WD

The WÖSSNER forged piston is an engine component for the Yamaha YFZ 450 R Special Edition 2 WD in the full year range from 2009 to 2018. The design is suitable for a targeted selection of piston type, material, diameter and compression ratio.

Execution and function

The piston is made of aluminum and is forged. In the engine it works within the cylinder bore and, together with the piston rings, forms the movable unit of the combustion chamber. The version with 3 piston rings supports clear assignment based on the technical product data.

Technical data

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 94.95 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 95.00 mm
• Compression ratio: 12.4:1
• Number of piston rings: 3

Vehicle assignment

The forged piston is assigned to the Yamaha YFZ 450 R Special Edition 2 WD, built between 2009 and 2018. When making the selection, the specified piston diameter of 94.95 mm, the bore diameter of 95.00 mm and the markings “A” and “STD” must be taken into account in particular.

Before ordering, the technical dimensions and the existing engine configuration should be compared with the details of your own vehicle. In this way, the design can be selected appropriately based on the verified characteristics.