Yamaha YZ 250 F (CG 10) [2001-2002] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha YZ 250 F

The WÖSSNER Pro Series forged piston is designed for the Yamaha YZ 250 F (CG 10) from the entire 2001-2002 model year range. The design combines a forged piston type with aluminum as a material and thus offers a clearly defined basis for selecting a suitable piston in the upper engine range.

Function and execution

This component is selected as a piston for the engine area based on its dimensions, compression and oversize identification. The version with the letter B and an oversize of +0.01 supports the clear assignment within the specified technical specification.

Technical data

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 76.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 77.01mm
• Compression ratio: 13.3:1
• Rings Quantity: 2
• Stroke: 2T

Vehicle assignment

The forged piston is assigned to the Yamaha YZ 250 F (CG 10), built in 2001-2002. To make a safe selection, the vehicle model, year of manufacture and the listed dimensions and markings should be compared with the existing engine.

Factual selection information

The diameter of 76.97 mm, the bore diameter of 77.01 mm, the oversize code B and the compression ratio of 13.3:1 are particularly crucial for the assignment. This information enables a targeted check of the suitable version for the Yamaha model mentioned.