Yamaha Star XVS13AA(C) 2011 Service Manual page 517

EAS28150
CHECKING THE STATOR COIL
1. Disconnect:
• Stator coil coupler
(from the wire harness)
2. Check:
• Stator coil resistance
Out of specification → Replace the crank-
shaft position sensor/stator assembly.
Stator coil resistance
0.112–0.168 Ω
M MMM M MMM M M MMM M M MMM M
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"
W W
1 2
b. Measure the stator coil resistance.
L LLL L LLL L L LLL L L LLL L
EAS28170
CHECKING THE RECTIFIER/REGULATOR
1. Check:
• Charging voltage
Out of specification → Replace the rectifi-
er/regulator.
M MMM M M MMM M MMM
W
3
L LLL L L LLL L LLL
8-110
ELECTRICAL COMPONENTS
Charging voltage
14 V at 5000 r/min
M MMM M MMM M M MMM M M MMM M
a. Attach the engine tachometer to the spark
plug lead of the front cylinder.
b. Connect the pocket tester (DC 20 V) to the
rectifier/regulator coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
black/red "1"
• Negative tester probe →
black "2"
W W W
1
c. Start the engine and operate it run at approx-
imately 5000 r/min.
d. Measure the charging voltage.
L LLL L LLL L L LLL L L LLL L
EAS3D81012
CHECKING THE OIL LEVEL SWITCH
1. Drain:
• Engine oil
2. Remove:
• Oil level switch
(from the crankcase)
3. Check:
• Oil level switch resistance
Out of specification → Replace the oil level
switch.
Oil level switch resistance
Minimum level position
114–126 Ω
Maximum level position
484–536 Ω
M MMM M MMM M M MMM M M MMM M
a. Connect the pocket tester (Ω × 100) to the oil
level switch terminal as shown.
M MMM M M MMM M MMM
B/R B
2
L LLL L L LLL L LLL
M MMM M M MMM M MMM