Description
Stock pistons can’t handle the demands of high-RPM riding or extended performance sessions—they wear prematurely and limit your engine’s potential. The Wiseco 68.5mm oversize piston kit restores lost compression, improves combustion efficiency, and gives you the reliability you need for consistent power delivery whether you’re racing or pushing hard on the trail. This is a direct path to reclaiming your engine’s performance without compromise.
Built from high-silicon aluminum alloy, each piston is CNC-machined to exacting tolerances, ensuring a precise fit in your bore while maintaining the lightweight forging necessary for quick throttle response and reduced reciprocating mass. The advanced material composition resists thermal stress and expansion better than OEM alternatives, translating to longer service intervals and more predictable performance across varying riding conditions.
- Oversized 68.5mm bore
- High-silicon aluminum alloy
- CNC-machined precision
- Lightweight forging design
- Superior heat resistance
- Improved throttle response
- Enhanced durability
- Kawasaki KX 250 fitment
- 1992–2001 model years
- Bolt-on installation
- MPN: 607M06800
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