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

Vital Information
Part No TBW0934
Stock Level Check Stock
This item my be sold out. Click the Yellow Check Stock button above to send us email and we'll try to let you know when it become available.

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
  • TBW0949 - 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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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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