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TBparts - 170cc Big Bore and VM26 Carb Kit KLX140

Vital Information
Part No TBW9206
Stock Level 3 Left
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Key Features:

  • Huge power gains 
  • NO CASE BORE required
  • 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
  • Stock main jet size is a #190
  • Includes extra main jets sizes 140, 145, 150, 155 , 160, 165 , 170, 175 , 180, & 185.
  • Extended throttle cable for use with the stock bars and throttle or tall bars


  • Kawasaki KLX140 - All years

Kit Includes:

  • TBW1545 - Aluminum cylinder with steel liner
  • TBW1543 - 63mm Piston kit
  • TBW1702 (optional) - 63mm forged piston kit
  • TBW1544 - Gasket
  • TBW1546 - Intake manifold
  • TBW0399 - VM26 carb
  • TBW1353 - Jet kit 
  • TBW1539 - Throttle cable 

Install Pictures and Jetting TECH LINKS

Available Options:

Piston Choice:

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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.