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CJR Performance

TB Parts 147cc Big Bore Kit

TB Parts 147cc Big Bore Kit

Regular price $219.00 USD
Regular price Sale price $219.00 USD
Sale Sold out


This 147cc big bore kit is a great introductory performance upgrade for your CRF110.  This  upgrade kit will give you a lot more power, and a bit higher compression, for a very reasonable price. 

Key Features:

  • All aluminum cylinder and piston for better his dissipation
  • Bolt-on kit, no boring or other parts required for swap
  • New cylinder has port in it now for the oil temp sensor that the new EFI engines require. A plug (bolt and crush washer) will be included for years without the temp sensor.



  • Honda CRF110 - 2013-present
Kit Includes:
  • TBW1582 - 58mm Cylinder
  • TBW1601 - 58mm Piston & rings with 13mm Wrist Pin
  • TBW1594 - 58mm Gasket Set

Installation requires engine disassembly and case boring. 

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