CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL07.0
CHAPTER 3B ENGINE PAGE 3B - 60 -
3.9 Starter system
3.9.1Installation information
Operation point
● The starter motor can be removed without disassembly of the engine.
Installation reference standard
item Standard valve Wear limit
Starter motor brush length 8.5mm 5mm
Fastener torque specification
Starter motor clutch cover bolt 12N.m 8-9ft.lbs
Tool
Special tools
Hex key
General tools
Open end wrenches
Troubleshooting
Starter motor does not turn Starter motor turns over slowly
● Fuse broken ● Battery discharged
● Battery discharged ● Poor or faulty cable connections
● Faulty main switch ● Starter motor gear seized by a foreign object
● Faulty starter clutch
Starter motor turns- Engine does not rotate
● Faulty brake switch ● Faulty starter clutch
● Faulty starter relay ● Starter motor reversal
● Poor or faulty cable connections ● Battery discharged
● Faulty starter motor
3.9.2 Starter motor removal
Never work on starter motor until main switch is
turned off, battery ground-wire disconnected to
ensure that starter motor cannot turn.
Remove the two bolts and remove the starter
motor.
Roll up the water-proof rubber cover to disconnect
the starter motor.
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