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TBParts - Race Head Kit for 88cc
For Z50 CRF50 XR50 & Pit bikes

Vital Information
Part No TBW0934
Stock Level 3 Left

This kit is for upgrading 88cc bore kits with a stock head to the Race head.

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.
  • High performance race camshaft (for the Race Head only)
  • Head gasket kit.
  • Intake kit for the race head
  • High volume oil pump - TBW0226-12V OR TBW0225-6V (for 1981 or older)
  • TB oil cooler kit w/intake mount - TBW1370
  • 2 Size clutch tool - WHS-2274
  • 2mm high speed drill bit - TRC-5526
  • Sta-bil fuel stabilizer - W-57-1109
  • Honda Z50 - 1988-1999
  • Honda XR50 - All Years
  • Honda CRF50 - All Years
Kit Includes:
  • TBW0365 - Piston
  • TBW0206 - Gaskets
  • TBW0273 - Intake Manifold
  • TBW0300 - Race Cam
  • TBW0385 - Race Head & Valves Assembly

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).

Exceeds OEM Standard equipment

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