Zontes ZT125-M 2022, Maintenance Manual

Page: 73 / 218

73 / 218
Check idle speed:
Check the idling speed of the engine when the engine is warm.
M310/350 the idle speed range of the engine should be 1500-1700 rpm.
M125 the idle speed range of the engine should be 1400-1600 rpm.
If the idling speed is not within the standard range or the idling speed is stalled, it should be checked and handled by
professional service personnel at the designated maintenance point of Shengshi or a qualified maintenance organization.
Abnormal idling or flameout should be checked or repaired according to the troubleshooting procedure in the chapter
"Electronic Injection System" of this manual.
Fuel evaporative pollutant control system
M310 fuel evaporation
1- Fuel level sensor 2- Fuel tank 3- Fuel pump 4- Oil-air separator (welded inside the fuel tank) 5- Fuel tank cap 6-
Adsorption/vent pipe 7-High pressure fuel pipe 8-Carbon tank 9-Carbon tank solenoid valve 10- Solenoid valve intake pipe 11-
solenoid valve outlet pipe 12-throttle valve body assembly
Remarks: The carbon canister assembly includes carbon canister 8, adsorption/vent pipe 6, solenoid valve inlet pipe 10, and
solenoid valve outlet pipe 11. The carbon canister components are sold as a complete set and are sold separately without being
disassembled. If the vent tube is damaged, you can purchase a reliable and weather-resistant hose with the same or similar
inner and outer diameters.