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Pitbike Dirtbike 26mm Compatible Mikuni VM22 Carburettor Carb 110cc 125cc 140cc
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Key Facts
--This is approved for use in place of a genuine 26mm Mikuni Pitbike Carburettor with over 2000 sold!
--Mikuni compatible/replacement carburettors are th4
Choke Mechanism: Manual - Hand Operated Outer Diameter of Air Filter Connection Point (excluding lip): 38 mm / 1.5 inches Internal Dimensions /...
This guide is for owners of Pitbikes and Dirtbikes using the 26mm Mikuni VM22 Carburettor. It provides essential information on setup, maintenance, and troubleshooting to ensure optimal performance. Note that this guide is for the compatible PetrolScooter carburettor, not the original Mikuni. This guide covers key features, performance expectations, and common issues for the 110cc, 125cc, and 140cc engines.
All features
Model Part Number
10408
Brand
PetrolScooter
Extended Product Information
FAQs
What engine sizes is this carburetor compatible with?
This carburetor is compatible with 110cc, 125cc, and 140cc engines.
Is this a genuine Mikuni carburetor?
No, this is a PetrolScooter compatible replacement for a 26mm Mikuni carburetor.
What type of choke does it have?
It has a manual, hand-operated choke.
What is the air filter connection size?
The outer diameter of the air filter connection point is 38 mm / 1.5 inches (excluding the lip).
Will this carburetor fit my bike?
If your bike uses a 26mm Mikuni carburetor or similar, this should be compatible. Please check the measurements before purchase.
How do I tune the carburetor?
Carburetor tuning involves adjusting the air/fuel mixture and idle speed. Refer to a tuning guide or consult a professional mechanic.
Troubleshooting
Engine won't start
Check fuel supply, ensure choke is engaged, and inspect spark plug.
Engine runs poorly/stalls
Adjust the carburetor settings (mixture and idle) or clean the carburetor.
Fuel leaks
Check fuel line connections and float valve for leaks.
Pros and Cons
Pros
Easy replacement for existing 26mm Mikuni carburetors.
Compatible with a range of engine sizes (110cc, 125cc, 140cc).
Manual choke for easy starting and adjustments.
Cons
Not a genuine Mikuni carburetor.
May require tuning for optimal performance depending on the specific engine and environment.
Air filter connection dimensions must be verified for compatibility.
Setup, Compatibility & Care
Installation: Ensure the carburetor is correctly mounted to the engine intake manifold and air filter.
Fuel Connection: Connect the fuel line securely to prevent leaks.
Choke Operation: Familiarize yourself with the manual choke operation for cold starts.
Air Filter Compatibility: Confirm the air filter connection diameter (38mm) matches your air filter.
Tuning: After installation, the carburetor might need tuning (mixture and idle adjustments) for optimal performance. Consult a qualified mechanic if needed.
Maintenance: Regularly clean the carburetor and air filter to maintain peak performance.

Follow these guidelines to ensure proper functionality and longevity of the carburetor.