Mercury 90 Service Manual

90-830234R3 DECEMBER 1997 ELECTRICAL - 2A-15
3 Cylinder Stators
75 Manual with 9 Ampere Stator 398-9873A21, USA-0D227200 and Above
75/90 Electric with 14 Ampere Stator 398-9873A24, USA-0G280044 thru
0G404505 Belgium-09879065 thru 09916672
ADI
Test
Selector
Sw
DVA Leads
Voltage
@ 300
Voltage
@ 1000
Voltage
@ 4000
Test
Seq. Test
Sw
.
Position
Red Black
@
300
RPM
@
1000
RPM
@
4000
RPM
1-A Coil Primary 400 VDC*
Coil (+)
Terminal
Coil (–) Terminal 145-175 210-250 200-240
2-A
Sw. Box –
Stop Circuit
400 VDC*
Black/Yellow
(3)
Sw. Box
Terminal
Ground 215-265 280-340 260-320
3-A
4-A
Stator –
Low Speed
400 VDC*
Blue Sw.
Box Terminal
Ground 215-265 280-340 260-320
3-A
4-A
Stator –
High Speed
400 VDC*
Red Sw.
Box Terminal
Ground 10-15 45-55 205-255
Sw Box –
20 VDC or
[See Note (1)]
5-A
Sw
.
Box
–
Bias
20
VDC
or
40 VDC
Ground
White/Black
Sw. Box Terminal
2-10 10-30 10-30
4 Cylinder with 16 Ampere Stator 398-9710A33
USA-0G301751 and Above
Belgium - 09885528 thru 09916721
ADI
Test
Selector
Sw
DVA Leads
Voltage
@ 300
Voltage
@ 1000
Voltage
@ 4000
Test
Seq. Test
Sw
.
Position
Red Black
@
300
RPM
@
1000
RPM
@
4000
RPM
1-A Coil Primary 400 VDC*
Coil (+)
Terminal
Coil (–) Terminal 110-140 250-300 215-265
2-A
Sw. Box –
Stop Circuit
400 VDC*
Black/Yellow
(3)
Sw. Box
Terminal
Ground 160-200 315-385 270-330
3-A
4-A
Stator –
Low Speed
400 VDC*
Blue Sw.
Box Terminal
Ground 160-200 315-385 270-330
3-A
4-A
Stator –
High Speed
400 VDC*
Red Sw.
Box Terminal
Ground 8-10 27-33 165-205
Sw Box –
20 VDC or
[See Note (1)]
5-A
Sw
.
Box
–
Bias
20
VDC
or
40 VDC
Ground
White/Black
Sw. Box Terminal
2-10 10-30 10-30
(1) Using meter only, REVERSE LEAD POLARITY; connect leads as specified.
* If using a meter with a built-in DVA, place selector switch in the DVA/400 VDC position.

Mercury 90 Specifications

General

Brand	Mercury
Model	90
Category	Outboard Motor
Language	English