TBparts - Roller Rocker Race Head V2 88cc Big Bore Kit
Z50 CRF50 XR50 & Pit bikes w/ Mikuni VM26 Carb

Vital Information
Price$729.00
On Sale $619.65
Part No TBW9115
Stock Level Check Stock
1

TB Roller Rocker Race Head V2 (52mm) Big bore kit.

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.

Highest Performance Race head on the market with full parts support in stock.

Key Features:

  • Roller Rocker Arms exactly like the V2 head for the KLX110
  • 28.5mm intake Valve
  • 23.5mm Exhaust Valve
  • 5mm Valve Stem
  • 23mm Exhaust port
  • Matching High Compression Piston
  • Head kits include all hardware
  • 52mm piston with rings, pin, & clips.
  • 52mm Aluminum Cylinder
  • High performance race camshaft (for the Race Head only)
  • Head gasket kit.
  • Mikuni VM26 Carb kit
We Recommend using premium fuel

Recommended:
  • 2 Size clutch tool - WHS-2274
  • High volume oil pump - TBW0226-12V (TBW0225-6V for 1981 or before models)
  • High speed 2mm drill bit - TRC-5526
  • TB oil cooler kit - TBW9073
  • Sta-bil fuel stabilizer - W-57-1109

Application:

  • Z50 - 1988-present
  • CRF50 - 1988-present
  • XR50 - 1988-present

 Kit Includes:

  • TBW0750 - V2 Race head
  • TBW0755 - V2 Head bolt kit
  • TBW0752 - Camshaft V2
  • TBW0754 - V2 Head cover set
  • TBW0753 - Piston
  • TBW0859 - Gasket Set
  • TBW0156 - Cylinder
  • TBW0301 - Cable
  • TBW0433 - Intake Kit
  • TBW0399 - Carburetor
  • TBW0413 - Air filter

 
Reviews

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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