Pay in 4 interest-free payments of $41.99 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
This is very easily done with a small Dremel tool
Cover gaskets may be used with stock or Boyesen covers
Advanced spray-on synthetic air filter treatment
Depending on your setup you may need to extend the power wires to the battery
170cc / 63mm Big Bore Kit - All KLX140 SXparts This is very easily doneTB Parts 170cc 63mm Big Bore Kit 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. This kit includes a lightweight high compression piston that is 5mm over stock making
