Description
The Wiseco PK1665 is a complete top-end rebuild solution engineered for the Suzuki JR 50’s demanding 2-stroke environment. Whether you’re dealing with worn compression or preparing for sustained high-RPM use, this kit delivers the precision bore sizing and ring geometry necessary to restore or exceed OEM performance. Built from aerospace-grade aluminum with a forged piston design, it handles the thermal and mechanical stress of small-displacement racing without compromise.
- 41.00mm precision bore
- Forged aluminum piston
- High-performance compression rings
- Complete gasket set included
- Aerospace-grade materials
- Fits Suzuki JR 50 1978–2006
- OEM fitment specs
- Bolt-on installation
- Extended engine lifespan
- Improved throttle response
