Yamaha YZFR1Y(C) 2009 Service Manual page 505

c. Set the main switch to "ON".
d. Turn the lean angle sensor to 45°.
e. Measure the lean angle sensor output volt-
age.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS28940
CHECKING THE STARTER MOTOR OPERA-
TION
1. Check:
• Starter motor operation
Does not operate → Perform the electric
starting system troubleshooting, starting
with step 4.
Refer to "TROUBLESHOOTING" on page
8-11.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the positive battery terminal "1"
and starter motor lead "2" with a jumper
lead "3".
EWA13810
WARNING
• A wire that is used as a jumper lead must
have at least the same capacity of the bat-
tery lead, otherwise the jumper lead may
burn.
• This check is likely to produce sparks,
therefore, make sure no flammable gas or
fluid is in the vicinity.
b. Check the starter motor operation.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
ELECTRICAL COMPONENTS
EAS28150
CHECKING THE STATOR COIL
1. Disconnect:
• Stator coil coupler
(from the wire harness)
2. Check:
• Stator coil resistance
Out of specification → Replace the stator
coil.
Stator coil resistance
0.112–0.168 Ω at 20 °C (68 °F)
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the pocket tester (Ω × 1) to the
stator coil coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
White "1"
• Negative tester probe
White "2"
• Positive tester probe
White "1"
• Negative tester probe
White "3"
• Positive tester probe
White "2"
• Negative tester probe
White "3"
b. Measure the stator coil resistance.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
8-118