Yamaha Raptor 90 YFM90RA 2011 Service Manual page 221

EBS01054
4. Starter relay
• Disconnect the starter relay coupler from
the coupler.
• Connect the pocket tester (Ω × 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
3
R
R
4
• Does the starter relay have continuity
between red and black?
YES
EBS01041
5. Main switch
• Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the main switch OK?
YES
ELECTRIC STARTING SYSTEM
1
2
3
4
1
R/W
G/Y
2
NO
Replace the starter
relay.
NO
Replace the main
switch.
7 - 12
EBS01046
6. Rear brake switch
• Check the rear brake switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the rear brake switch OK?
YES
EBS01057
7. Start switch
• Check the start switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the start switch OK?
YES
EBS01059
8.Wiring
• Check the entire starting system's wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the starting system's wiring properly
connected and without defects?
YES
The starting system
circuit is OK.
ELEC – +
NO
Replace the rear
brake switch.
NO
Replace the handle-
bar switch.
NO
Properly connect or
repair the starting
system's wiring.