Description
A complete piston kit rebuild is essential when your JS550 engine shows signs of wear, loss of compression, or if you’re pushing higher RPMs and demand absolute reliability. Wiseco’s high-silicon forged aluminum construction delivers the strength needed to withstand extreme combustion temperatures and cylinder pressures without compromise. This comprehensive kit eliminates the guesswork—everything you need for a professional top-end rebuild is included, so you get back on the water with confidence.
- Kawasaki JS550 specific
- 1991-1995 model years
- 75.50mm bore diameter
- High-silicon forged aluminum
- Superior heat resistance
- Precision-forged pistons
- Custom Wiseco ring design
- Wrist pins included
- Circlips included
- Top-end gasket kit
- Complete rebuild solution
- Bolt-on installation ready
- Professional-grade materials









