KLX140

Kawasaki KLX140 Big Bore Kits

Upgrade your Kawasaki KLX140 or KLX140L with performance big bore kits from TB Parts. The KLX140 is a natural step up from the KLX110 class, and bore-up kits take its performance even further for trail riding and pit bike competition.

KLX140 Big Bore Kit Options

TB Parts offers big bore kits for the KLX140 engine that increase displacement for more torque and top-end power. Kits include bore-up cylinder, piston, rings, and gaskets. Compatible with KLX140, KLX140L (big wheel), and KLX140G models.

Performance Cams & Engine Parts

Complement your KLX140 big bore with a performance cam from TB Parts for optimized valve timing and maximum power gains. Also available: cam chain tensioners, head gaskets, and other KLX140 engine components for complete engine builds.