Wiseco Piston Kit Yamaha Exciter 440 1975-1981 69.00mm 2284M06900

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