1987-2004 Kawasaki KX500 1ST Shift Fork 13140-1142

The Ultimate KX500 Shift Fork Upgrade

Get the highest quality KX500 transmission shift forks available. We’ve engineered this critical component to surpass modern performance standards using the latest materials and manufacturing practices.

• Unmatched Strength: Billet machined from solid, pre-hardened 4140 Chromoly Steel.

• Maximum Durability: Stress relieved and nitrided to create the hardest, most wear-resistant surface possible.

Innovative Roller Pin Design

These shift forks feature integrated, replaceable shift drum pins. This is the key to a superior shifting experience:

• Buttery Smooth Shifts: The pins roll along the shift drum groove instead of sliding.

• Eliminates Wear: This state-of-the-art configuration—found in the newest dirt and street bikes—avoids the premature wear and damaging flat spots common with older designs.