90
Engine
coolant
temperature is
lower
Cooling System
①
Fault on heat sensor switch on fan
②
Cold weather
③
problem on constant temperature
meter
Change
Cover the radiator
Change
Spark weak
Ignition System
①
Fault on starter
②
problem on spark plug
③
Magneto problem
④
Voltage of battery is weak
⑤
Ignition loop problem
⑥
Starting loop problem
Change
Change
Change
Change
Change
Change
(
II
)
Malfunction in transmission system
Vehicle speed
does not
increase by
engine speed
Transmission
system
①
Shift belt slips
②
Speed adjusting plate abrasion is too
much
③
Speeding adjusting plate slipping is
blocked
④
Spring force of adjuster is short
Change
Change
Repair or Change
Repair or Change
Out of gear
Gear Box or Gear
shifting system
①
Speed changing drum groove
worn out
Change