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TB Parts - Race Head, 88cc Big Bore and 20mm Carb Kit
for Motoped 49cc

Vital Information
Part No TBW9158
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TBParts Race Head, 88cc Bore & 20mm Carb Kit

This is the Race Head 88 kit that everyone is talking about
Performance and Price make TBParts 88 with Race head a real winner

Installation Note:
There are no installation instructions, but if you can replace your piston, you can install this kit. If you don't have any experience working on your engine, we highly recommend purchasing the shop manual for your bike available in our store.
The parts are installed in the same manner as the OEM parts.

Kit includes:

  • Lightweight aluminum cylinder with steel sleeve
  • Cast in mounts on cylinder for aftermarket skid plates
  • Oversized cooling fins on cylinder for efficient heat dissipation
  • 52mm piston with rings, pin, & clips
  • Head gasket kit
  • High performance race camshaft
  • Race Head – Larger valves (25mm intake & 22mm exhaust) and porting for increased performance. Also has bigger cooling fins. Includes all necessary parts.
  • 20mm Performance carb assembly which includes: 20mm carb, intake, heatstop, gaskets, mounting hardware/wrench, air filter and throttle cable

 Exceeds OEM Standard equipment


  • Motoped 49cc 
Kit Includes:
  • TBW0365 - Piston
  • TBW0206 - Gasket set
  • TBW0156 - Cylinder
  • TBW0125 - Carb
  • TBW0273 - Intake kit
  • TBW0301 - Throttle cable
  • TBW0398 - Foam filter
  • TBW0300 - Cam
  • TBW0949 - Head
  • TBW0348 - Wiring harness
  • TBW0262 - CDI
  • TBW0294 - Main jet kit
  • TBW1051 - Throttle
  • TBW0251 - Right side head cover
  • TBW0861 - Cam sprocket and dowel

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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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