Mercury 90 Service Manual

90-830234R3 DECEMBER 1997 FUEL SYSTEM - 3B-3
Model Year Carburetor
Number
Main Fuel Jet Preset Idle Screw
Turns Open
75 ELH 1996/1997 61 -1
-2
-3
0.054 in.
0.054 in.
0.054 in.
1-1/8
1-1/8
1-1/8
65 Jet/90 1996/1997 62 -1
-2
-3
-3A*
0.062 in.
0.064 in.
0.062 in.
0.064 in.
1-1/4
1-1/4
1-1/4
1-1/4
75 ELPTO 1998 75 -1
-2
-3
0.052 in.
0.054 in.
0.054 in.
1-1/8
1-1/8
1-1/8
75 MLH 1998 76 -1
-2
-3
0.054 in.
0.054 in.
0.054 in.
1-1/8
1-1/8
1-1/8
75 ELH 1998 77 -1
-2
-3
0.054 in.
0.054 in.
0.054 in.
1-1/8
1-1/8
1-1/8
65 Jet/90 1998 78 -1
-2
-3
0.062 in.
0.064 in.
0.064 in.
1-1/4
1-1/4
1-1/4
100 1998 79 -1
-2
-3
-4
0.048 in.
0.050 in.
0.050 in.
0.052 in.
1-1/2
1-1/2
1-1/2
1-1/2
80 Jet/115 1998 80 -1
-2
-3
-4
0.060 in.
0.064 in.
0.062 in.
0.064 in.
1-1/2
1-1/2
1-1/2
1-1/2
125 1998 81 -1
-2
-3
-4
0.070 in.
0.080 in.
0.080 in.
0.082 in.
1-1/2
1-1/2
1-1/2
1-1/2
*Late 1996 running change:
75/90 S/N 0G428199 (4/15/96)
100-125 S/N 0G428125 (4/12/96)
Special Tools
P/N 91-36392 Carburetor Scale
73656

Mercury 90 Specifications

General

Brand	Mercury
Model	90
Category	Outboard Motor
Language	English