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1. Check
a. One person straightens the vehicle and stabilizes
the vehicle, and one person presses the rear armrest
behind to observe whether the rear shock absorber can
recover smoothly.
b. Check whether the shock-absorbing bolts are
loose.
c. Grasp the upper part of the damping spring and
rotate it in the radial direction. It should be able to rotate
in a small amount. Check the bottom in the same way. If
the upper part cannot be rotated, the shock-absorbing
rubber buffer sleeve has aged and failed; if the bottom
cannot be moved, the buffer sleeve on the rear rocker
arm and the engine box has failed and needs to be
replaced.
d. Check whether the weld at the bottom of the shock
absorber is leaking.
2. Adjust the preload
The rear shock absorption of this vehicle can be
adjusted according to the needs of the owner. Sort 1-5
levels, level 1 is the softest, level 5 is the hardest, and
the factory defaults to level 2. Turning the compression
spring preload length to the H direction makes the shock
absorption harder; otherwise, the shock absorber
becomes softer. The two rear shock absorbers need to
be adjusted to the same gear.
2.1 Adjust the right rear shock absorption
a. Use 6# inner hexagon to tighten the exhaust port
nut ⑴; use a 14# sleeve to remove the bolts ⑵ at the
position connecting the muffler and the rear rocker arm.
Note that the muffler must be completely cooled before it
can be operated.
b. Use the 4# 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.
2.2 Adjust the left rear shock absorption
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.
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