Zontes ZT125-M 2022, Maintenance Manual

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2.1 Adjust the right rear shock absorption
M125/310
Use the 5# inner hexagon to insert into the hole of the
right rear shock absorber adjuster, and rotate to the required
gear in the direction of the arrow.
M350
Use the adjustment wrench provided with the vehicle.
2.2 Adjust the left rear shock absorption
2.2.1 M310
a. Refer to the previous steps to replace the air inlet filter
element and remove the left cover. Disassemble it as shown
in the figure below.
b. Use an 8# sleeve to remove the bolts (1) at the position
shown in the figure.
c. Use needle-nose pliers to clamp the exhaust pipe clamp
on the inner side of the air filter and move it upward about
20mm (0.8 in). Pull the exhaust pipe out of the crankcase by
hand.
d. Pull the tail of the air filter outward with one hand, and
press the rear inner mud plate inward with the other hand.
Separate the air filter from the rear inner mud plate.
e. Open the air filter slightly, and adjust the left rear shock
to the same gear with reference to the adjustment of the
right rear shock absorption method.
2.2.2 M125
Use the 5# inner hexagon to insert into the hole of the left
rear shock absorber adjuster, and rotate to the required gear
in the direction of the arrow.
2.2.3 M350
Use the adjustment wrench provided with the vehicle.
3. Replace the shock absorption
The M125/350 steps are similar to the M310, taking the
M310 as an example.
a. After removing the muffler assembly, follow the steps
“a” to “d” in the previous "Remove spark plug" to remove the
side covers; follow the steps a to j in the throttle valve body