Forged piston kit Wossner for KTM LC4 640 / LC4-E 640 / SX 640 / SXC 640 / Duke 640 / Adventure 640 / SMC 640 / Supermoto 640 / Super Competition 640 manufactured between 1994-2007.
The kit includes piston, rings, pin, and clips.
Please select the piston size from the box above.
Technical specifications:
- cylinder diameter: 101.00mm
- thermal clearance: 0.06mm
- number of rings: 3 (one compression / one oil)
- compression ratio: 11.70:1 (OEM)
- pin-to-cap distance (measured from the center of the pin): 26.50mm
- pin dimensions: 22x14x51mm.
Available piston sizes:
- A (100.94mm)
- B (100.95mm)
- C (100.96mm)
- +1.00mm (101.94mm)
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