Description
If you’re rebuilding a RM125 or chasing more responsive power delivery, a quality piston kit is non-negotiable. Wiseco’s 54mm design delivers the precision fit and lightweight construction that separates a stock rebuild from a genuinely competitive machine. Whether you’re a trail rider or competing on weekends, this kit gives you the durability and efficiency gains that matter when the engine is screaming at 12,000 RPM.
- Bore diameter: 54mm
- High-silicon aluminum alloy
- Computer-optimized skirt design
- Reduced friction profile
- Lightweight construction
- Fits Suzuki RM125 1989–1999
- Bolt-on installation
- Enhanced throttle response
- Increased horsepower output
- Extended engine longevity
- MPN: 641M05400









