Yamaha YZ 426 F (CJ 01) [2000-2002] - WÖSSNER forged pistons

WÖSSNER forged pistons for the Yamaha YZ 426 F

The WÖSSNER forged piston is designed for the Yamaha YZ 426 F (CJ 01) built between 2000 and 2002. Its aluminum design and forged piston design correspond to the specified technical characteristics of this spare part.

Design and technical data

• Material: aluminum
• Piston type: forged
• Diameter Ø: 94.96 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 95.00 mm
• Compression ratio: 12.5:1
• Number of piston rings: 3

The specified diameter of 94.96 mm, the bore diameter of 95.00 mm and the marking with the letter A and Oversize STD are particularly important for the selection. The compression ratio is 12.5:1.

Vehicle assignment

The forged piston fits the Yamaha YZ 426 F (CJ 01), built between 2000 and 2002. The vehicle assignment refers to this complete model and year range.

Selection note

Before ordering, please compare the vehicle name, year of manufacture and technical piston dimensions with the existing engine. The version with 94.96 mm diameter, 95.00 mm bore diameter and 12.5:1 compression ratio can be specifically assigned.