Description
When your KLX650’s piston shows wear or you’re ready to unlock higher compression performance, a quality rebuild kit is essential to maintaining reliability and power delivery. Wiseco’s forged piston design combines durability with a responsive 9.5:1 compression ratio, giving you the throttle response and engine longevity that serious riders demand. This complete kit includes everything needed for a full top-end rebuild—piston, rings, wrist pin, and circlips—so you can get back on the trail with confidence.
- Forged aluminum construction
- 9.5:1 compression ratio
- High-silicon alloy material
- Complete rebuild kit included
- Piston, rings, wrist pin
- Circlips for installation
- Superior heat resistance
- Fits KLX650 (1993–2001)
- Fits KLX650R models
- Optimized ring seal design
- Lightweight forged construction
- MPN: 40133M10000






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