Description
The Wiseco Piston Kit delivers the reliability and performance precision you need for a complete top-end rebuild on your classic Yamaha DT400 or MX400. This +1.00mm oversized piston compensates for wear and restores compression, giving you crisp throttle response and consistent power delivery whether you’re trail riding or racing. Since the kit includes rings and circlips, you get everything necessary for a straightforward installation without sourcing components separately.
- High-silicon alloy construction
- +1.00mm bore size
- Precision-engineered tolerances
- Includes compression rings
- Includes wrist pin circlips
- Fits 1975–1978 DT400
- Fits 1975 MX400
- Optimized for trail riding
- Optimized for racing
- Improved fuel efficiency
- Bolt-in installation
- MPN: 232M08600
