Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER forged pistons
Description
WÖSSNER forged pistons for Yamaha YZ 250 F (CG 21) [2005]
The WÖSSNER forged piston is designed for the Yamaha YZ 250 F (CG 21), built in 2005. As a forged aluminum piston, it combines the verified design features of a forged double bridge with clearly defined dimensions for selection and assignment.
![Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER forged pistons – product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093771002-1_7fce042f-a69b-4cf1-8f1b-1f5c16bcbf70.jpg?v=1788438171)
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: 12.5:1
- Number of piston rings: 3
- Stroke: 2T
Vehicle assignment
This piston is assigned to the Yamaha YZ 250 F (CG 21), built in 2005. The diameter Ø of 76.97 mm, the letter of the oversize B, the oversize of +0.01 and the bore diameter of 77.01 mm are particularly important for the selection.
Selection note
Before ordering, compare the listed piston and bore dimensions as well as the compression ratio with the requirements of your engine. The version with 3 piston rings, the compression ratio 12.5:1 and the forged double bridge can be clearly identified based on the technical data.
![Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER forged pistons – detailed view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093771002-2_33ed03b9-a520-490f-bfae-72b5241a6588.jpg?v=1788438171)