Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER Pro Series forged pistons
Description
WÖSSNER Pro Series forged pistons for Yamaha YZ 250 F (CG 21)
The WÖSSNER Pro Series forged piston is designed for the Yamaha YZ 250 F (CG 21) built in 2005. As a forged aluminum piston, it is suitable for replacing the piston component in the upper engine area.
![Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER Pro Series forged pistons – product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093770001-1_1dadaa06-dbc7-4961-97bc-45da26c46d0b.jpg?v=1788437881)
Technical features
- Piston Type: Forged
- Material: aluminum
- Piston compression: highly compressed
- Piston diameter Ø: 76.96 mm
- Letter oversize: A
- Oversize: STD
- Bore diameter: 77.00 mm
- Compression ratio: 13.5:1
- Rings Quantity: 2
Vehicle assignment
The forged piston fits the Yamaha YZ 250 F (CG 21), built in 2005. The assignment refers to this model and this complete year range.
Selection Notes
The specified piston diameter of 76.96 mm, the bore diameter of 77.00 mm and the compression ratio of 13.5:1 are particularly relevant for the selection. The designated oversize letter is A; In addition, the oversize value is given as STD.
The version with two rings and high-density piston compression combines the relevant product data for the intended application on the Yamaha YZ 250 F (CG 21) from 2005.
![Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER Pro Series forged pistons – detailed view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1093770001-2_c3805456-d34d-40f5-9475-3ec56ff38c40.jpg?v=1788437881)