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TBparts - 170cc Big Bore Kit with Cam and VM26 Carb Kit for KLX140

Vital Information
Part No TBW9207
Stock Level Out of Stock!
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Huge power gains and no case boring required make this kit an exceptional upgrade for your KLX 140!

Key Features:

  • Safe on 91+ Octane pump fuel
  • Works with stock OEM Cylinder head
  • Works with stock OEM Air box 
  • Genuine Mikuni VM26mm Performance Carb
  • Intake kit port matched to the VM26 and stock cylinder head
  • Extended throttle cable for use with the stock bars and throttle or tall bars
  • Brand new high performance camshaft and bearings


  • Kawasaki KLX140 - All years

Kit Includes:

  • TBW1545 - Cylinder
  • TBW1543 - Piston Kit 63mm
  • TBW1544 - Gasket
  • TBW1546 - Intake manifold
  • TBW0399 - VM26 carb
  • TBW1353 - Jet kit 
  • TBW1539 - Throttle cable 
  • TBW1515 - Performance cam

Install Pictures and Jetting TECH LINKS

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Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online Pit Bike Technical Info Database!

We have all necessary support parts on hand.

Most orders ship same, or next business day, unless otherwise noted above.