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TBParts - 114cc Bore Kit
GPX Pitster YX Piranha Lifan

Vital Information
Part No TBW9089
Stock Level In Stock

TB 114cc High Compression Bore Kit - 86cc - 107cc Engines

Meets or Exceeds OEM Specifications.

Key Features:

  • Lightweight aluminum cylinder with steel sleeve (huge weight savings over your stock cast iron cylinder)
  • Cast in mounts on cylinder for aftermarket skid plates
  • Oversized cooling fins on cylinder for efficient heat dissipation
  • High compression 54mm piston with rings, pin, & clips (replaces your low compression dished or flat top piston)
  • Head gasket kit

  • LIFAN 86-107cc
  • SIKK MX 110
  • XTREME 107 
  • ICON 
This will make a huge difference in performance over your stock setup and is a very quick and easy upgrade. For additional performance, add the 24mm or 26mm carb kit available in this section (both work great with this setup). This kit will work on all 86cc through 107 Chinese engines

Except models with a 3 valve head.the cylinder stud spacing is different on SDG 107 (SDG SPEED MINI 107)

Electric start motors may require some mods to cooling fins for clearance

See the Performance Info section for additional information on our performance parts.


  • Sta-bil fuel stabilizer - W-57-1109

Kit Includes:

  • TBW0788 - Piston
  • TBW0318 - Gasket set
  • TBW0721 - Cylinder 

Note: MUST USE WASHER UNDER SPARK PLUG (Included in piston box)

(2 Reviews)

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.