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KLX140 Bore Kit - 170cc

 
411-KLX-1801
411-KLX-1801
 
411-KLX-1810
411-KLX-1810
 
411-KLX-1811
411-KLX-1811
 
411-KLX-1801

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KLX140 Bore Kit - 170cc
QTY    $269.95bbrmotorsports.shop
Any additional options and/or replacement parts will be available at the bottom of this page

KLX140 Bore Kit - 170cc

High quality bore kit that shows substantial power gains throughout the RPM range. 63mm piston. 10.5:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.


  • Brand new high quality BBR aluminum cylinder
  • 10.5:1 compression ratio
  • 63mm piston
  • Includes cylinder, piston, pin, rings, and gaskets

"We've been testing this kit for the last 3 months on our BBR KLX140 Concept Bike. This is flat out the single best mod you can do to your KLX140 motor." - Duane Brown


BBR General Jetting Guidelines Chart


Stock KLX140 - 58.0mm bore, 54.4mm stroke



Part NumberImageDescriptionPrice 
411-KLX-1801411-KLX-1801Bore Kit - 170cc / KLX140/L/G, 08-Presentbbrmotorsports.shop

Replacement Parts

Part NumberImageDescriptionPrice 
411-KLX-1810411-KLX-1810Gasket Kit - 170cc Bore Kit / KLX140/L/G, 08-Presentbbrmotorsports.shop
411-KLX-1811411-KLX-1811Piston Kit - 170cc Bore Kit / KLX140/L/G, 08-Presentbbrmotorsports.shop
411-KLX-1812411-KLX-1812Ring Set - 170cc Bore Kit / KLX140/L/G, 08-Presentbbrmotorsports.shop
411-KLX-1813411-KLX-1813Cylinder - 170cc / KLX140/L/G, 08-Presentbbrmotorsports.shop

Optional Parts

Part NumberImageDescriptionPrice 
411-KLX-1820411-KLX-1820Camshaft - High Performance / KLX140/L/G, 08-Presentbbrmotorsports.shop
Prop 65 Warning