Yamaha XMAX YP125R - Service manual > General information
Identification
Vehicle identification number
The vehicle identification number "1" is stamped into the frame.
Model label
The model label "1" is affixed to the location shown. This information will be needed to order spare parts.
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Yamaha XMAX YP125R - Service manual > Features
Outline of the fi system The main function of a fuel supply system is to provide fuel to the combustion chamber at the optimum air-fuel ratio in accordance with the engine operating conditions and the atmospheric temperature. In the conventional carburetor system, the air-fuel ratio of the mixture that is supplied to the combustion chamber is created by the volume of the intake air and the fuel that is metered by the jet used in the respective carburetor.
