Description
Worn or damaged pistons compromise combustion efficiency and engine reliability—especially critical when you’re pushing your Yamaha Exciter 440 on the track or trail. Wiseco’s high-silicon alloy construction delivers the strength and precision needed to handle repeated load cycles without sacrifice. This kit arrives complete with rings and circlips, eliminating the guesswork and giving you a bolt-together solution that restores or exceeds OEM performance.
Whether you’re refreshing an aging engine or upgrading for competition, this piston kit represents proven engineering from a manufacturer trusted by professional racers and serious hobbyists alike. The lightweight design improves throttle response and reduces parasitic losses, while the precision fit ensures consistent combustion and minimal blowby.
- High-silicon alloy construction
- 69.00mm bore diameter
- Fits Yamaha Exciter 440 (1975–1981)
- Includes piston rings
- Includes circlips
- Lightweight design
- Racing and trail-rated
- Precision-engineered tolerances
- MPN: 2284M06900
