Description
When your 2-stroke demands reliability under sustained high-RPM load, a quality piston kit separates weekend warriors from serious competitors. The Wiseco 771M05300 delivers aerospace-grade forged aluminum construction with CNC precision, ensuring your Yamaha RT100 maintains exact tolerances through aggressive riding conditions. This complete kit arrives ready to install, eliminating the guesswork and giving you confidence that your engine will respond with crisp throttle feel and consistent power delivery.
- 53.00mm bore diameter
- Aerospace-grade forged aluminum
- CNC-machined for precision
- Complete installation kit included
- Piston rings, wrist pin, circlips
- High-RPM rated construction
- Optimized combustion chamber design
- Bolt-on installation
- Yamaha RT100 1990–2000
- MPN: 771M05300






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