Yamaha WR 250 F (CG 22) [2005] - WÖSSNER forged pistons
Description
WÖSSNER forged pistons for Yamaha WR 250 F (CG 22), built in 2005
The WÖSSNER forged piston is designed as a forged aluminum version and is designed for the Yamaha WR 250 F (CG 22) built in 2005. The technical design with a forged double bridge as well as the specified dimensional data support a targeted selection of the engine structure.
![Yamaha WR 250 F (CG 22) [2005] - WÖSSNER forged pistons – product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093816002-1_5b709106-adb7-45bc-8c76-2b597fc46316.jpg?v=1788443066)
Technical features
- Material: aluminum
- Piston Type: Forged
- Specificity: Forged double bridge
- Diameter Ø: 76.97 mm
- Letter oversize: B
- Oversize: +0.01
- Bore diameter: 77.01mm
- Compression ratio: 13.5:1
- Number of piston rings: 3
Dimensions and selection
The diameter Ø of 76.97 mm, the bore diameter of 77.01 mm, the marking B and the oversize specification +0.01 are available for the assignment. These values enable comparison with the existing engine dimensions and the intended piston design.
Vehicle assignment
The forged piston is intended for the Yamaha WR 250 F (CG 22), built in 2005. The vehicle assignment refers to this entire year of construction.
Compression ratio
With a compression ratio of 13.5:1, the design is clearly described for technical coordination based on the specified engine data.
![Yamaha WR 250 F (CG 22) [2005] - WÖSSNER forged pistons – detailed view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093816002-2_c542f085-ccb4-49e6-a448-344be3c5d248.jpg?v=1788443066)