Carburetor Kit for Monster Mega Moto 79cc 80cc 97cc 105cc Mini Bike Motovox Baja Coleman Go Kart Carb Engine - w/Main Jet Throttle Cable
Carburetor kit for mini bike engines including carburetor, throttle cable, fuel filter, spark plug, and accessories.
All-in-one carburetor replacement kit for GX160 engines including fuel filter, spark plug, fuel line, and throttle cable.
Dimensional diagram of a replacement carburetor and 1270mm throttle cable with labeled measurements.
Compatibility chart showing mini bike and go-kart models including Coleman, Baja, and Monster Moto.
Aluminum alloy carburetor assembly showing fuel intake, choke lever, and fuel bowl details.
Replacement carburetor kit for mini bike engine repair with spark plug, fuel filter, and throttle cable.
Carburetor for Monster Mega Moto 80cc showing idle adjustment screw and jet installation points.
Mechanic holding a carburetor replacement kit including fuel filter, spark plug, and cable for easy engine repair.
Replacement carburetor kit for small engines including fuel filter, spark plug, cable, and mounting hardware.
Carburetor kit for mini bike engines including carburetor, throttle cable, fuel filter, spark plug, and accessories.
All-in-one carburetor replacement kit for GX160 engines including fuel filter, spark plug, fuel line, and throttle cable.
Dimensional diagram of a replacement carburetor and 1270mm throttle cable with labeled measurements.
Compatibility chart showing mini bike and go-kart models including Coleman, Baja, and Monster Moto.
Aluminum alloy carburetor assembly showing fuel intake, choke lever, and fuel bowl details.
Replacement carburetor kit for mini bike engine repair with spark plug, fuel filter, and throttle cable.
Carburetor for Monster Mega Moto 80cc showing idle adjustment screw and jet installation points.
Mechanic holding a carburetor replacement kit including fuel filter, spark plug, and cable for easy engine repair.
Replacement carburetor kit for small engines including fuel filter, spark plug, cable, and mounting hardware.
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Carburetor Kit for Monster Mega Moto 79cc 80cc 97cc 105cc Mini Bike Motovox Baja Coleman Go Kart Carb Engine - w/Main Jet Throttle Cable

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Carburetor Kit for Monster Mega Moto 79cc 80cc 97cc 105cc Mini Bike MMB80 MMB105 Motovox MBX10 Baja DB30 Coleman B100 RT100 Go Kart Carb Engine

Key Features

  • Complete fuel delivery replacement kit for small-displacement utility engines.
  • Includes carburetor assembly, throttle cable, and main jet for tuning.
  • Engineered to maintain consistent fuel-to-air ratio for optimal combustion.
  • Direct fitment design for standard mini bike and go-kart engine configurations.
  • Corrosion-resistant metallic body construction.

Replaces / Cross-Reference Part Numbers

  • Standard replacement for MMB80 and MMB105 series carburetors.
  • Compatible with generic 79cc, 80cc, 97cc, and 105cc carburetor assemblies.
  • Fits engines ranging from 2.8hp to 3.5hp.

Compatibility & Fitment

  • Monster Mega Moto: MMB80, MMB105, MM-K80.
  • Coleman: B100, RT100, CC100X, RB100.
  • Baja: DB30, Dirt Bug.
  • Motovox: MBX10.
  • Engines: Predator 79cc/80cc, 97cc, and 105cc platforms.
  • Applications: Mini bikes, go-karts, and youth-sized dirt bikes.

When to Replace

  • Engine fails to start or experiences rough idling.
  • Visible fuel leaks from the carburetor bowl or gasket.
  • Engine hesitates or stalls under acceleration.
  • Internal clogging or residue buildup that cannot be cleared by cleaning.
  • Damage to the throttle cable housing or internal spring mechanisms.

Installation Tips

  • Ensure the fuel supply is turned off and the engine is cool before beginning work.
  • Document the routing of the original throttle cable before removal.
  • Clean the intake manifold surface of old gasket material for an airtight seal.
  • Verify the throttle slide is seated correctly to prevent wide-open throttle upon startup.
  • Adjust the idle speed screw after installation to achieve a stable, low-RPM idle.

FAQ

This kit is designed for a wide range of small-displacement engines, including the Monster Mega Moto (MM-B80, MMB105), Coleman (B100, RT100, RB100), Motovox (MBX10, MBX11), and Baja (DB30/Doodlebug). It is compatible with 79cc, 80cc, 97cc, and 105cc engines commonly found on these mini bikes and go-karts, as well as Phatmoto and Lifan 79cc platforms.
If your engine is struggling to start, idling roughly, surging while under load, or leaking fuel from the bowl, the carburetor is often the culprit. These issues are frequently caused by internal clogs from old fuel or damaged internal diaphragms and gaskets.
This kit includes the carburetor assembly, a throttle cable, a main jet, fuel line, fuel filter, spark plug, and the necessary mounting gaskets to ensure an airtight seal against the engine intake.
The installation is straightforward and typically requires only basic hand tools: a socket set (usually 8mm or 10mm for the mounting nuts), a flathead and Phillips screwdriver, and pliers for the fuel line clamps. The process generally takes 30 to 45 minutes for most users.
The primary cause of failure for these small-engine carburetors is the use of ethanol-blended gasoline. Ethanol attracts moisture and leaves behind gummy deposits that clog the tiny internal passages and jets, especially if the bike sits unused for extended periods. We recommend using fresh, non-ethanol fuel and draining the carburetor bowl if you plan to store the bike for more than a few weeks.
Before mounting the new carburetor, ensure the intake manifold surface is clean and free of old gasket material. When installing the new gaskets, do not overtighten the mounting nuts, as this can crack the plastic components or warp the mounting flange, leading to vacuum leaks that cause poor engine performance.