Description
When your XT350 starts showing signs of wear—loss of compression, reduced throttle response, or visible piston scoring—a quality piston kit is essential to restore engine integrity and performance. The Wiseco 4674M08750 is engineered specifically for your machine, delivering the precision fit and material strength needed to handle aggressive off-road riding without compromise. Whether you’re prepping for competitive events or maximizing reliability on backcountry trails, this kit ensures your engine runs at peak efficiency.
This piston kit features high-strength aluminum alloy construction that resists wear and thermal stress, while the precision engineering guarantees proper ring seal and minimal blowby. Installation is straightforward with standard tools, though you’ll want to pair it with a fresh gasket kit to ensure a complete, leak-free rebuild.
- Bore size: 87.50mm
- Compression ratio: 9:1
- Material: High-strength aluminum alloy
- Application: Yamaha XT/TT 350 (1985–2000)
- MPN: 4674M08750
- Installation: Bolt-on rebuild
- Gasket kit: Sold separately
- Ring seal: Optimized for durability
