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Table 4-5: Maintenance of the Main Frame and Accessory Mechanism
3. Refer to Table 4-5 in respect of damage forms, fault phenomena and common
maintenance methods of the main frame and accessory mechanism:
Component
Name
Damage Form
Component Fault
Phenomenon
Motorcycle Fault
Phenomenon
Maintenance Method
Main frame
The main frame
crashes or falls.
The main frame is bent
and deformed.
The motorcycle runs off
tracking.
Rectify or replace the
main frame.
The main frame
crashes or falls.
The main frame cracks
or breaks.
The motorcycle cannot
be driven.
Joint or replace the
main frame.
The main frame
is subject to road
shocks and vibration.
The joints fall off the
main frame.
The motorcycle shivers
orruns off tracking.
Joint the main frame.
Side stand
The side stand
deforms or breaks.
The side stand fails to
return normally.
T
he motorcycle makes
a sound when driving,
affecting the parking of
the motorcycle.
Rectify or replace the
side stand.
The return spring
loses its spring
feature.
The side stand fails to
return normally.
The motorcycle
makes a sound when
driving,affecting
the parking of the
motorcycle.
Replace the return
spring.
LHS side
cover
It is damaged due to
a crash.
The LHS side cover is
damaged.
The appearance is
negatively influenced.
Replace or mend the
LHS side cover.
RHS side
cover
It is damaged due to
a crash.
The RHS side cover is
damaged.
The appearance is
negatively influenced.
Replace or mend the
RHS side cover.
Front fender It is hit or vibrated.
The front fender deforms
or breaks.
The motorcycle makes a
sound when driving.
Replace the front
fender.
Rear fender It is hit or vibrated.
The rear fender deforms
or breaks.
The motorcycle makes a
sound when driving.
Replace the rear
fender.
Front and rear
seat cushions
-----------------
The leather sheath of the
seat cushion is worn.
The riding comfort is
reduced.
Replace the front and
rear seat cushions.
Front pedal
-----------------
It deforms or breaks.
The driving safety is
affected.
Replace the front
pedal.
Rear pedal
-----------------
It deforms or breaks.
The riding comfort is
reduced.
Replace the rear pedal.
Pedal rod
-----------------
It deforms or breaks.
Affect the start-up
performance
Replace the pedal rod
Rearview
mirror
It is hit or vibrated.
It deforms or breaks.
The driving safety is
affected.
Replace the rearview
mirror.
