SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 321 / 377

6P23H11
8-16
1
2
3
4
5
6
7
8
9
CAUTION:
Check that the wiring harness does not
interfere with the flywheel magnet.
5. Measure the resistance of the crank posi-
tion sensor.
Checking the crank position sensor
air gap
1. Remove the wiring harness guide bolts
and uphold wiring harness guide.
2. Turn the flywheel magnet clockwise to
align the projection of the flywheel mag-
net with the crank position sensor projec-
tion.
3. Measure the crank position sensor air
gap
a
. Adjust if out of specification.
4. Loosen the screws
1
and adjust the
crank position sensor air gap.
5. Tighten the screws
1
, and then check
the crank position sensor air gap. Adjust
again if out of specification.
Checking the intake air temperature
sensor
1. Measure the ambient temperature.
2. Connect a computer to the outboard
motor and use the YDIS to display the
intake air temperature.
Test harness (2 pins): 90890-06867
Peak voltage adapter B:
90890-03172
Crank position sensor output peak
voltage:
White/black (W/B) – Black (B)
r/min
Unloaded Loaded
Cranking 1,500 3,500
DC V 3.0 2.7 14.5 17.8
Crank position sensor resistance
(reference data):
White/red (W/R) – Black (B)
396 – 594
Ω
S6P28110
Crank position sensor air gap
a
:
1.4 – 1.6 mm (0.055 – 0.063 in)
T
R
.
.
Crank position sensor screw
1
:
4 N · m (0.4 kgf · m, 3.0 ft · lb)
S6P28260
a
1
S6P28270
Ignition and ignition control system