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TB Parts

TB Parts Race Head Kit for 88cc or 108cc - Honda XR50/CRF50 XR CRF Z50 - TBW9005

  • Sale
  • $ 188.95

This kit is for upgrading TB 88cc bore kits with the old Race Head to the newest Race Head released June 2006.

Installation Note:


You should have your existing cylinder honed (unless its new) prior to installing this kit.
It will save a lot of time and effort if the oil pump is installed while installing the bore kit 
(requires cylinder removal).


Key Features:


Race Head Large valves (now 25/22mm) and better flow for increased performance. 
Bigger cooling fins. Includes all necessary parts and comes assembled
52mm piston with rings, pin, & clips.
Head gasket kit.



High volume oil pump - TBW0226 12V OR TBW0225 6V (for 1981 or older)
TB oil cooler kit w/intake mount - TBW9073


 Exceeds OEM Standard equipment


Honda Z50 1988-1999
Honda XR50 All Years
Honda CRF50 All Years

 Kit Includes:

TBW0365 - Piston Kit
TBW0206 - Gasket Kit
TBW0949 - Race Head & Valves Assembly