TBParts - Race Head V2 Upgrade Kit 88-99 Z50, 00-Present XR50/CRF50

Vital Information
On Sale $424.15
Part No TBW9103
Stock Level In Stock

Race Head V2 Upgrade Kit. This kit converts a 95cc/117cc (54mm bore) kit with a stock or older Race Head to the Race Head V2.

Key Features:

  • Larger valves for increased airflow
  • Aluminum head helps dissipate heat to aid in the longevity of the motor.
  • Race camshaft included
  • Head cover set
  • Cast aluminum piston and rings included
  • We recommend premium fuel
  • 2 Size clutch tool - WHS-2274
  • High volume oil pump - TBW0226-12V
  • TBparts oil cooler for V2 heads - TBW9187
  • TB 12 way rotating spacer 26mm - TBW1020
  • Z50 - 1988-1999
  • CRF50 - 2000-Present
  • XR50 - 2000-Present
Kit Includes:
  • TBW0750 - Race Head V2 Honda Type (No Cam)
  • TBW0755 - Race Head V2 Bolt Kit
  • TBW0752 - Cam
  • TBW0754 - Race Head V2 Head Cover Set (All 4 Cast Covers)
  • TBW0790 - Piston
  • TBW0859 - Gasket
Installation Note:
It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal).

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

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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.


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