Description
If you’re running a Yamaha DT400 and want to restore lost compression or build a higher-displacement engine, a quality piston kit is non-negotiable. Wiseco’s high-silicon alloy construction handles the demands of both trail abuse and competitive racing without sacrificing reliability. This kit comes complete with rings and circlips, so you can get back on the bike faster.
The 85.50mm bore diameter is precision-engineered to tight tolerances, ensuring proper fit and minimal blowby. Wiseco’s proven manufacturing process delivers consistent performance across thousands of engines, making this a trusted choice among DT400 builders and racers who can’t afford downtime or failure.
- High-silicon alloy construction
- 85.50mm bore diameter
- Includes rings, circlips
- Lightweight design
- Precision-engineered tolerances
- Trail and racing rated
- Yamaha DT400 1975–1978
- MPN: 232M08550






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