The WOSSNER Piston Kit in a 94.98 mm size is designed for select Gas Gas and Yamaha applications. Manufacturer part number 8630DC, this kit includes a piston, rings, wrist pin and pin locks.
The lightweight piston features tight piston wall clearance for quieter engine operation. Enhanced piston pin oiling slots, radial boss machining and annular grooves support improved wrist pin lubrication. The skirt is coated to help reduce friction and improve break-in performance, while ring land treatment supports improved ring seal and oil control. Double bridged forging design is included where noted.
Vehicle fitment includes the 2006, 2007, 2008 and 2009 Yamaha YZ450F, as well as the 2013, 2014 and 2015 Gas Gas EC 450F. Distributor part number: 09104952. Manufacturer part number: 8630DC.
Features:
- 94.98 mm piston kit for select Gas Gas and Yamaha applications
- Kit includes piston, rings, wrist pin and pin locks
- Enhanced piston pin oiling slots, radial boss machining and annular grooves for improved wrist pin lubrication
- Lightweight piston with tight piston wall clearance for quieter engine operation
- Coated skirt helps reduce friction and improve break-in performance
- Ring land treatment supports improved ring seal and oil control
- Double bridged forging design where noted
- Fits 2006-2009 Yamaha YZ450F and 2013-2015 Gas Gas EC 450F models
- Manufacturer part number: 8630DC
Fitment:
2006 Yamaha YZ450F
2007 Yamaha YZ450F
2008 Yamaha YZ450F
2009 Yamaha YZ450F
2013 Gas Gas EC 450F
2014 Gas Gas EC 450F
2015 Gas Gas EC 450F