1999 - 2022
YAMAHA YZ 250
Forged steel performance piston kit
| WOSSNER
Fits to:
YAMAHA YZ 250 [1999 - 2022]
Specifications
| Manufacturer | WOSSNER |
|---|---|
| Bore size | 66,40 mm |
| Displacement | 249 cc |
| Type | Dual Ring |
| Units | Kit |
| Piston diameter | 66.35 mm |
| Piston size metric | 66.35 mm |
| Displacement | 249 cc |
| Type | Dual Ring |
| Units | Kit |
| Piston diameter | 66.36 mm |
| Piston size metric | 66.36 mm |
| Bore size | 66,41 mm |
| Piston size metric | 66.37 mm |
| Type | Dual Ring |
| Piston diameter | 66.37 mm |
| Bore size | 66,42 mm |
| Displacement | 249 cc |
| Units | Kit |
| Oversize | +0.60mm |
| Piston diameter | 66.95 mm |
| Oversize | +1.10mm |
| Piston diameter | 67.45 mm |
| Bore size | +2.10mm = 68.45mm |
Product description
2-stoke pistons include piston, rings, pin and clips Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance 4032 T6 Forged Aluminum Alloy German Engineered from Wossner’s own designs and forgings Use FEA (computer simulation) to fine tune every design T6 Heat Treated for heat resistance & durability for high-load use