Zontes ZT125-M 2022, Maintenance Manual

Page: 84 / 218

84 / 218
avoid the muffler to prevent burns. If it is in the engine
starting state, the whole vehicle shall be powered off for
more than 10 seconds and then check according to the above
operation.
4. Treatment of abnormal fuel pressure
If the fuel pressure is higher than the standard value,
replace the fuel pump. If it is lower than the standard value,
you need to inspect the following items:
a. Whether the fuel pipe is leaking;
b. Whether the fuel tank vent pipe is blocked or bent
excessively;
c. Whether the fuel pump filter is blocked;
d. Whether the fuel pump is faulty;
e. Whether the fuel is insufficient.
●When pulling out the high -level oil pipe, be sure to pull it toward the axis, and do not press or push or pull
The protruding part of the fuel pump and nozzle holder.
●It is forbidden to smoke, dial mobile phones and other actions that may cause a fire at the demolition site.
●The fuel pump is a precision component that needs to be assembled in a dust -free workshop and requires strict testing, so it is
forbidden to disassemble it by yourself.
●The EFI system needs to be reset after reinstalling the ba ttery. For specific operations, see the precautions in the driver's
manual or the throttle valve body chapter of this manual.