6C13G11
8-10
1
2
3
4
5
6
7
8
9
Checking the pulser coil air gap
1. Remove the flywheel magnet cover.
2. Turn the flywheel magnet clockwise to
align the projection of the flywheel mag-
net with the pulser coil projection.
3. Measure the pulser coil air gap
a
. Adjust
if out of specification.
4. Loosen the bolts
1
and adjust the pulser
coil air gap.
5. Tighten the bolts, and then check the
pulser coil air gap again. Adjust if neces-
sary.
Checking the sensor assembly
1. Measure the ambient temperature.
2. Connect a computer to the outboard
motor and use the Yamaha Diagnostic
System to display the intake air tempera-
ture.
3. If the ambient temperature and the dis-
played intake air temperature differ by
more than
±
5 °C (
±
9 °F), replace the
sensor assembly.
NOTE:
Check the sensor assembly when the engine
is cold.
Checking the oil pressure switch
1. Check the oil pressure switch for continu-
ity. Replace if there is no continuity.
2. Connect the special service tool to the oil
pressure switch.
3. Slowly operate the special service tool.
Pulser coil air gap:
0.75
±
0.25 mm (0.030
±
0.010 in)
T
R
.
.
Pulser coil bolt:
4 N·m (0.4 kgf·m, 3.0 ft·lb)
S6C18070
a
S6D88160
Ignition and ignition control system
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