Carburetor setting for maximum possible mileage. 

For burning 1 litre of petrol your engine needs 14.7 litres of Air (at STP) This is known as stoichiometric Ratio. So for best performance and mileage from your Motorcycle we need to adjust the carburetor in such a way that it can supply stoichiometric Air-fuel mixture to your Engine. Both Rich and lean mixture are undesirable for your Engine.Here in this Video I explained that how you can tune your carburetor for maximum possible mileage. Further I explained that carburetor is not responsible for all mileage related issue in your Motorcycle.
Following are the other factors which can lead to low mileage issue
1)worn out piston's compression rings
2)leaking head valves
3)worn out clutch plates
4)Clogged air filter
5)low tyre pressure
etc

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