Forged piston kit Wossner for Yamaha YFZ 450 (2006-2012) / YFZ 450 R (2009-2018).
The kit includes piston, rings, pin, and clips.
Please select the piston size from the box above.
Technical specifications:
- cylinder diameter: 95.00mm
- thermal clearance: 0.05mm
- number of rings: 3 (two compression / one oil)
- compression ratio: 11.60:1 (OEM)
- pin-to-head distance (measured from the center of the pin): 25.10mm
- piston pin dimensions: 20x13x46mm.
Available piston sizes:
- A (94.95 mm)
- B (94.96 mm)
- C (94.97 mm)
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