High Comp 170cc Big Bore Kit w/ Forged Piston & Cam - All KLX140 CM2021 BBR Shock Spring - Heavy

BBR Shock Spring - Heavy Duty

Achieves excellent tracking even at ultra-high RPMs

Key switch incorporated in the top clamp strap

Honda Z50 1988-1999 (*91 and older See note below)

and jumps—giving you the confidence and control your CRF deserves

High Comp 170cc Big Bore Kit w/ Forged Piston & Cam - All KLX140 CM2021 BBR Shock Spring - HeavyHigh Compression 170cc 63mm Big Bore Kit w Forged Piston & Camshaft 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*) *Fitment Note: 2025+ KLX140s MAY require case boring to fit. Our cylinder skirt is 65. 95mm and SOME 2025+ cases are only 65. 4mm wide. TB 170cc, HC, Forged Big Bore & Cam Kit KLX140 TB Parts