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Spark plug
Caution:
●Before disassembling, blow off the dust near the spark
plug with a dust blower.
●After removing the spark plug, prevent foreign objects
from falling into the engine.
1. Disassemble the spark plug
a. Put down the left rear pedal and use the 4# inner
hexagon to remove the bolts (1) Remove the bushing (2)
and the cushion rubber (3).
b. Pull out in sequence in the direction of the arrow
(from the rear wheel to the front wheel). Note that there
are 5 staples at the red circle and a circle of buckles
around. It takes a lot of force to pull out.
c. Use your fingers or a plastic crowbar to insert the
arrow indication point, first pry the arrow indication point
open the gap and then pull up.
d. Respectively use 4# inner hexagon to remove the 2
bolts at the front pedal (1).
e. Use 4# inner hexagon to remove the 3 bolts that
surround the left side (1), and remove the bushing (2)
and the cushion rubber (3).
f. Use your fingers or a plastic crowbar to forcefully
break out from the arrow point until the bolt near the
arrow point is exposed. Because there are still bolts on
the upper part that have not been removed, it cannot be
removed directly.
g. Use 5# inner hexagon to remove bolt ⑷, remove
bushing ⑸.
h. Use 5# inner hexagon to remove 4 bolts ⑷Remove
the bushing ⑵ and the cushion rubber ⑶.
i. Use 4# inner hexagon to press down the center
cylindrical pins of the 3 expansion nails ⑹ on the left,
and then remove the expansion nails. Remove the bolt
⑴ on the left front part with a 4# inner hexagon, take off
the bush ⑵ and the cushion rubber ⑶. For instructions
on disassembly and assembly of expansion nails,
please refer to the pre-service instructions in this
chapter.
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