2002 - 2004
YAMAHA YFM 660 GRIZZLY
Forged steel performance replacement piston kit
| WOSSNER
Fits to:
YAMAHA YFM 660 F 4X4 Grizzly Silver [2002 - 2002]
YAMAHA YFM 660 F 4X4 Grizzly Titanium [2003 - 2003]
YAMAHA YFM 660 F LE 4X4 Grizzly Limited Edition [2004 - 2004
YAMAHA YFM 660 FH 4X4 Grizzly Hunter [2002 - 2002
YAMAHA YFM 660 FH 4X4 Grizzly Hunter Hardwoods Camo [2004 - 2004
YAMAHA YFM 660 FH 4X4 Grizzly Hunter Realtree Hardwood [2003 - 2003
YAMAHA YFM 660 FH 4X4 Grizzly Hunter Wetland Edition [2003 - 2004
YAMAHA YFM 660 F Grizzly 4X4 [2002 - 2004]
Specifications
| Manufacturer | WOSSNER |
|---|---|
| Piston diameter | 99.93 mm |
| Bore size | 101.93mm |
| Oversize | +2mm |
| Style | Performance Replacement |
| Type | Replacement Forged Piston |
| Units | Kit |
| Engine type | 4-Stroke |
| Stroke length | 84,00 mm |
| Piston material | Forged| Steel |
| Piston size | +1,00 mm |
| Skirt coating | Moly Coated |
| Style | Performance Replacement |
| Type | Replacement Forged Piston |
| Units | Kit |
| Engine type | 4-Stroke |
| Stroke length | 84,00 mm |
| Piston material | Forged| Steel |
| Piston size | +0,50 mm |
| Skirt coating | Moly Coated |
Product description
In-house designed and manufactured; all forgings are produced in Wössner’s company-owned forging operation 4-stroke pistons are made using a double-bridged forging design Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine Standard and oversize pistons for most models, with high compression ratios available for 4-stroke applications All piston skirts are supplied with a Moly coating to reduce friction and assist in break in All piston kits include piston, ring, wrist pin and pin locks Wössner piston kits are used by leading Supercross, Arenacross and MX GP teams