Description
A worn top-end is a performance killer on any 2-stroke—compression drops, power fades, and reliability suffers. The Wiseco PK1321 gives you everything needed for a complete, professional-grade rebuild in one kit, eliminating guesswork and getting you back to racing or trail riding with confidence. With aerospace-grade forgings and CNC precision, this kit delivers the durability and horsepower consistency that separates competitive riders from the rest.
- Bore diameter: 55.50mm
- Piston material: Forged aluminum alloy
- Piston type: CNC-machined Pro-Lite
- Fitment: Suzuki RM125 1991–1996
- Includes piston, rings, wrist pin
- Includes circlips and gaskets
- Installation: Bolt-on rebuild
- High-RPM rated durability
- Optimized combustion chamber design
