Yamaha YFM90RA Model Vehicle User Manual


 
7 - 12
+
ELEC
ELECTRIC STARTING SYSTEM
EBS01054
YES
NO
EBS01041
YES
NO
EBS01046
YES
NO
EBS01057
YES
NO
4. Starter relay
Disconnect the starter relay coupler from
the coupler.
Connect the pocket tester (
×
1) and bat-
tery (12 V) to the starter relay coupler as
shown.
Positive battery terminal red/white
Negative battery terminal
Green/Yellow
Positive tester probe red
Negative tester probe red
Does the starter relay have continuity
between red and black?
Replace the starter
relay.
5. Main switch
Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
Is the main switch OK?
Replace the main
switch.
G/Y
R/W
R
R
6. Rear brake switch
Check the rear brake switch for continuity.
Refer to “CHECKING THE SWITCHES”.
Is the rear brake switch OK?
Replace the rear
brake switch.
7. Start switch
Check the start switch for continuity.
Refer to “CHECKING THE SWITCHES”.
Is the start switch OK?
Replace the handle-
bar switch.
1
1
2
2
3
3
4
4
EBS01059
YES
NO
8.Wiring
Check the entire starting system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
Is the starting system’s wiring properly
connected and without defects?
The starting system
circuit is OK.
Properly connect or
repair the starting
system’s wiring.