Yamaha YZ 250 F (CG 18) [2004] - WÖSSNER Pro Series forged pistons
Description
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 18) built in 2004. As a forged aluminum piston, it offers a precisely defined basis for repairing the upper engine area. The version with 2 piston rings and a compression ratio of 13.3:1 supports targeted selection based on the technical engine data.
![Yamaha YZ 250 F (CG 18) [2004] - WÖSSNER Pro Series forged pistons – product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093735002-1_2b0c21ab-2a57-4718-b4a0-4ebe8e6870c2.jpg?v=1788435756)
Technical features
- Piston Type: Forged
- Material: aluminum
- Piston diameter Ø: 76.97 mm
- Letter oversize: B
- Oversize: +0.01
- Bore diameter: 77.01mm
- Compression ratio: 13.3:1
- Number of piston rings: 2
- Specificity: Double forged bridge/gas connection
Vehicle assignment
The forged piston fits the Yamaha YZ 250 F (CG 18), built in 2004. The assignment is limited to this complete year range.
Selection guide
The piston diameter of 76.97 mm, the bore diameter of 77.01 mm, the oversize +0.01 and the oversize letter B are particularly relevant for the selection of parts. These characteristics enable comparison with the existing engine dimensions and the intended technical specifications.
![Yamaha YZ 250 F (CG 18) [2004] - WÖSSNER Pro Series forged pistons - detailed view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093735002-2_4854201a-a920-4a00-8721-dfa4523e1ce0.jpg?v=1788435756)