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KLX140 Big Bore Kit - 170cc (2008 - Present)

KLX140 Big Bore Kit - 170cc (2008 - Present)

Sold by BBR Motorsports

Sponsored
$209.95
4.8(20)

Price and availability requested live for this page. Final details are set by the seller.

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About this product

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


Description supplied by BBR Motorsports through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.

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Current listing
$209.95
Shop at BBR Motorsports