Home » New Products » 170cc/63mm Big Bore Kit - Cast/Forged - All KLX140
170cc/63mm Big Bore Kit - Cast/Forged - KLX140/L/G - Factory Minibikes
170cc/63mm Big Bore Kit - Cast/Forged - KLX140/L/G - Factory Minibikes
170cc/63mm Big Bore Kit - Cast/Forged - KLX140/L/G - Factory Minibikes
170cc/63mm Big Bore Kit - Cast/Forged - KLX140/L/G - Factory Minibikes
BRT

170cc/63mm Big Bore Kit - Cast/Forged - All KLX140

Out of stock
$ 179.95 USD
170cc or 63mm Big Bore Kit
High Performance Cast Cylinder and Forged Piston

Fitment:
Kawasaki KLX140 (2008-2020)
Kawasaki KLX140G (2017-2020)
Kawasaki KLX140L (2008-2020)
Kawasaki KLX140R (2021-Present)
Kawasaki KLX140RF (2021-Present)
Kawasaki KLX140RL (2021-Present)


New Cast cylinder – Wrist Pin – Rings – Clips and Gaskets and 63mm FORGED PISTON for better performance


Re-jetting of the carb is needed after installing this kit. We strongly suggest an aftermarket exhaust with any bore kit.

We also have performance CDI's to increase rpm limiter, bigger carburetors, high compression piston kit, racing exhaust, custom crankshaft, etc.