Yamaha TMAX TECH MAX 2020 - Troubleshooting

8-13
ELECTRIC STARTING SYSTEM
EAS30495
TROUBLESHOOTING
The starter motor fails to turn.
TIP
• Before troubleshooting, remove the following part(s):
1. Front cowling assembly
2. Storage box
3. Fuel tank
4. Tail/brake light cover (right)
1. Check the fuses.
(Main, ignition, brake light and sig-
naling system)
Refer to “CHECKING THE FUS-
ES” on page 8-93.
NG Replace the fuse(s).
OK
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-94.
NG
• Clean the battery terminals.
• Recharge or replace the battery.
OK
3. Check the starter motor operation.
Refer to “CHECKING THE START-
ER MOTOR OPERATION” on
page 8-105.
OK
Starter motor is OK. Perform the electric
starting system troubleshooting, starting
with step (5).
NG
4. Check the starter motor.
Refer to “CHECKING THE START-
ER MOTOR” on page 5-37.
NG Repair or replace the starter motor.
OK
5. Check the ignition system relay.
Refer to “CHECKING THE RE-
LAYS” on page 8-94.
NG Replace the ignition system relay.
OK
6. Check the diode.
(Diode 2)
Refer to “CHECKING THE DI-
ODES” on page 8-101.
NG Replace the diode.
OK
7. Check the starting circuit cut-off re-
lay.
Refer to “CHECKING THE RE-
LAYS” on page 8-94.
NG Replace the starting circuit cut-off relay.
OK