Description
A worn or damaged piston compromises your KX125’s power delivery and engine reliability—especially critical for a 2-stroke where combustion efficiency directly impacts performance. The Wiseco Piston Kit gives you a complete top-end solution with OEM-quality components engineered to withstand the extreme pressures of high-RPM racing. This is a straightforward, bolt-on rebuild that gets your engine back to factory specifications or better.
What’s Included:
- Forged piston
- Piston rings
- Wrist pins
- Circlips
- Top-end gasket kit
Technical Specifications:
- 56mm bore diameter
- High-silicone forged construction
- Minimal thermal expansion
- Wiseco ring compatibility required
- 2-stroke engine application
- Kawasaki KX125 2001–2002
- MPN: PK1503
- Bolt-on installation









