Zontes ZT125-M 2022, Maintenance Manual

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Torque: 3.8 N.m (0.4 kgf.m, 2.8 lbf.ft).
b. If the above adjustment fails to achieve the desired
effect, please refer to the description in "Remove the throttle
valve body assembly to clean up carbon deposits" to remove
the throttle valve body assembly. Use a 10# open-end
wrench to loosen the 2 nuts on the bracket to adjust. Torque:
3.0 N.m (0.3 kgf.m, 2.2 lbf.ft).
c. If the above two adjustments are invalid, replace the
throttle cable with a new one.
3. Lube door cable
If the rotation resistance is large and the bending of the
throttle cable and the loose strands of the wire core can be
eliminated, add a proper amount of lubricating oil, such as
sewing machine oil.
a. Remove 2 bolts ⑴ with a 5# inner hexagon, and move
the upper part of the switch away.
b. Use a syringe to draw a small amount of sewing machine
oil several times and inject it from the gap between the
throttle cap and the thread core, and turn the throttle while
injecting.
c. If the problem with high resistance cannot be solved
after lubrication, the throttle cable needs to be replaced.
●After adjusting the gap of the throttle cable, make sure that
the throttle handle can be automatically turned back to the
closed position. Do not adjust the cable to increase the
engine idling speed.
●After the adjustment, the engine idling speed cannot
increase when turning the front of the car.
●Do not use high -viscosity oil to lubricate the cable to
prevent excessive viscosity from affecting the free movement
of the cable.
Idle speed
Caution:
●Before checking the idle speed, you should check other engin e maintenance items and the condition is normal before
proceeding.
●Check the following items before checking the idle speed:
The maintenance indicator light " " should not light up.
The status of the spark plug has been checked.
The air filter element and the air inlet element have been inspected or replaced.
Check the throttle clearance.
●The limit screw on the valve body is not allowed to be adjusted privately.