Yamaha WR 250 F (CG 11) [2001-2002] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha WR 250 F (CG 11)

The forged WÖSSNER piston made of aluminum is assigned to the Yamaha WR 250 F (CG 11) in the entire 2001-2002 model year range. Its technical dimensions and design with a forged double bridge support a precise selection to suit the intended engine application.

Technical features

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 76.98 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 77.02mm
• Compression ratio: 12.5:1
• Piston rings: 3
• Specificity: Forged double bridge

Vehicle assignment

The forged piston is assigned to the Yamaha WR 250 F (CG 11), built in 2001–2002. The diameter of 76.98 mm, the oversize letter C, the oversize specification +0.02 and the bore diameter of 77.02 mm are particularly relevant for the selection of parts.

Execution

The combination of aluminum, forged design and forged double bridge describes the specific design of this piston. The compression ratio is 12.5:1. With 3 piston rings, the number of rings is clearly defined and makes it easier to compare with the technical requirements of the Yamaha WR 250 F (CG 11) from the 2001-2002 model year range.