2005 - 2010
YAMAHA YZ 250 F
Piston
| WOSSNER
Fits to:
YAMAHA YZF 250 (YZ250F) [2005 - 2010]
YAMAHA YZF 250 (YZ250F) [2005 - 2007]
Specifications
| Manufacturer | WOSSNER |
|---|---|
| Bore size | 76.96mm |
| Compression ratio | 13.5:1 |
| Number of rings | 2 |
| Ring comparison | 12.5:1=OEM |
| Bore size | 76.97mm |
| Compression ratio | 13.5:1 (12.5:1 OEM) |
| Ring quantity | 2 |