Wossner Piston Kit, 94.96 mm for Gas Gas and Yamaha (8630DA)

Upgrade engine performance and reliability with the Wossner 8630DA Piston Kit, designed for select Gas Gas and Yamaha applications. This lightweight piston uses a precision forging design with tight piston-to-wall clearance to help reduce operating noise while maintaining dependable performance. Enhanced piston pin oiling slots, radial boss machining, and annular grooves promote improved wrist pin lubrication for consistent operation under demanding riding conditions.
The piston skirt is coated to help reduce friction and support improved break-in performance. A specialized ring land treatment promotes better ring sealing and oil control, helping the engine maintain efficient compression and lubrication management. The double-bridged forging design is incorporated where specified for added strength and application-specific durability.
This complete Wossner piston kit includes the piston, piston rings, wrist pin, and piston pin locks for a convenient replacement solution. With its application-focused engineering and included installation components, the Wossner 8630DA is a practical choice for restoring engine performance or completing a performance-oriented rebuild. Verify vehicle fitment and installation requirements before use.

Features:

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication

• Lightweight forged piston with tight piston wall clearance for quieter engine operation

• Coated piston skirt helps reduce friction and improve break-in performance

• Treated ring lands promote improved ring seal and oil control

• Double-bridged forging design where specified for the application

• Kit includes piston, rings, wrist pin, and piston pin locks

• 94.96 mm piston diameter for select Gas Gas and Yamaha applications

Ships from Parts Unlimited.