Flywheel Removal And Installation - Mercury 25 EFI Service Manual

1. Disconnect the stator ignition charge connector from the engine wire harness connector.
a
2. Test each of the connector points with a DMT 2004 Digital Multimeter DVA setting.
DMT 2004 Digital Multimeter
b
a
DVA Adapter Meter Test
Leads
Red
a
e
b
d

Flywheel Removal and Installation

Flywheel Removal
1. Remove the timing belt cover and recoil assembly. Refer to Section 8 ‑ Manual Starter.
90-8M0105568 eng MARCH 2016
Meter Setting
With DVA
Adapter
Black
DC volts/
f
Record Mode
DC volts/
f
Record Mode
DC volts/
c
Record Mode
DC volts/
c
Record Mode
a - Stator ignition charge connector
b - Fuse holder
c - ECM
b
c
9852
91‑892647A01
a - White (ECM charge coil)
c
b - White/blue (ignition mid/low speed coil)
c - White/black (ignition mid/low speed coil)
d - White/red (ignition high speed coil)
e - White (ECM charge coil)
d
f - White (ECM charge coil)
e
f
16728
DVA Reading
During One
Meter Range
Pull (Manual
Start)
400 volt 24 volts
400 volt 24 volts
400 volt 38 volts
400 volt 46 volts
© 2016 Mercury Marine
DVA Reading
During Engine DVA Reading
Cranking (Electric Engine Running
Start)
20 volts 16 volts
20 volts 16 volts
36 volts 13 volts
36 volts 218 volts
Ignition
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