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Trail Bikes 120cc Big Bore Kit - XR100 / CRF100 1981-2013

120cc Big Bore Kit
XR100, CRF100 - 1981-2013
(Will NOT fit the 80)
Pricing: $195.95


Trail Bikes 120cc Big Bore Kit Fits the Honda XR100 / CRF100

TB makes this high-compression 120cc big bore engine kit for the XR100 / CRF100
Increased displacement with the High Compression big bore piston and large fins on the cylinder help cool the motor while giving you more horsepower

This kit is ready to rock & roll taking you from 100cc to 120cc (This is as big as you can go w/out boring the cases)

With this kit you will get a full 2 Horsepower improvement which is a great deal for this price!

Fits: CRF100 / XR100 1981-2013 (Will NOT fit the XR80 / CRF80)


      -Lightweight 58mm Aluminum cylinder w/ steel sleeve
      -Oversized cooling fins on the cylinder for more efficient heat dissipation than the stock cylinder
      -High Compression 58mm piston w/ piston rings, piston pin, & cir-clips for great gobs of wheelie popping power!!
      -Head & Base gasket kit

If you have any questions please call one of our knowledgeable and friendly techs at 833-327-8507

Parts Included:



  • K9087TB
  • K9087TB
  • Trail Bikes
  • New


Shipping Information

  • Item Requires Shipping
  • 3.0 lbs.

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