Yamaha XT660R Service Manual page 403

EAS00761
6. 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 1
Negative battery terminal → blue/white 2
Positive tester probe → red 3
Negative tester probe → black 4
R
B
• Does the starter relay have continuity
between red and black?
YES
EAS00749
7. Main switch
• Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the main switch OK?
YES
ELECTRIC STARTING SYSTEM
R R
R/W L/W
NO
Replace the starter
relay.
NO
Replace the main
switch/immobilizer
unit.
EAS00750
8. Engine stop switch
• Check the engine stop switch for continu-
ity.
Refer to "CHECKING THE SWITCHES".
• Is the engine stop switch OK?
EAS00751
9. Neutral switch
• Check the neutral switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the neutral switch OK?
EAS00752
10.Sidestand switch
• Check the sidestand switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the sidestand switch OK?
EAS00763
11.Clutch switch
• Check the clutch switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the clutch switch OK?
8 - 21
ELEC
YES
Replace
handlebar switch.
YES
Replace the neutral
switch.
YES
Replace the
stand switch.
YES
Replace the clutch
switch.
– +
NO
the right
NO
NO
side-
NO