Checking The Power Bobbin (For Prime Start); Charging System (Electric Starter Model); Checking The Lighting Coil - SELVA MARINE Wahoo 15 Service Manual

– +
ELEC
Checking the power bobbin (for
Prime Start)
1. Measure the power bobbin 1 output
peak voltage. Replace the stator coil
assembly if below specification.
L L
L
L
2
NOTE:
• To prevent the engine from starting when
cranking it, be sure to disconnect both
spark plug caps.
• Do not remove the clip from the engine stop
lanyard switch.
• If measuring the output peak voltage under
the unloaded conditions, disconnect the
connectors.
• When using the manual starter to crank the
engine, the voltage values may vary
depending on the speed at which the
starter handle is pulled.
• Measurements under the unloaded condi-
tion or when the Prime Start 2 is malfunc-
tioning may not be possible at 1,500 r/min
because the engine speed may be too high.
8-29
Electrical system
1
S6AG8250
Power bobbin output peak voltage:
8
Blue (L) – Blue (L)
r/min
Cranking
DC V 10.3
r/min
Cranking
DC V
2. Disconnect the power bobbin connec-
tors.
3. Measure the power bobbin resistance.
Replace the stator coil assembly if out of
specification.
Power bobbin resistance
(reference data):
Blue (L) – Blue (L)
0.77–1.04 Ω at 20 °C (68 °F)
4. Connect the power bobbin connectors.
Charging system (electric starter
model)

Checking the lighting coil

1. Disconnect the lighting coil connectors.
2. Measure the lighting coil 1 output peak
voltage. Replace the stator coil assembly
if below specification.
Unloaded
1,500
27.8
Loaded
1,500
9.5 27.5
3,500
63.2
3,500
61.6
8
8
6AG3J11