Mercury 90 Service Manual

90-830234R3 DECEMBER 1997 FUEL SYSTEM - 3B-1
Specifications
CARBURETOR
Idle RPM (In Forward Gear)
Wide Open Throttle (WOT) RPM
Model 65 Jet/90
Model 75/80 Jet/100/115/125
Float Height
675 ± 25
5000-5500
4750-5250
9/16 in. (14.29 mm)
WME Carburetor Chart
NOTE: Carburetor Number Stamped on Side of Carburetor Body.
Model Year Carburetor
Number
Main Fuel Jet Preset Idle Screw
Turns Open
75 ELPTO 1994 29 -1
-2
-3
0.050 in.
0.052 in.
0.050 in.
1/2
1-1/4
1-1/4
75 MLH 1994 30 -1
-2
-3
0.050 in.
0.052 in.
0.050 in.
1/2
1-1/4
1-1/4
90 1994 31 -1
-2
-3
0.062 in.
0.064 in.
0.062 in.
1/2
1-1/2
1-1/2
100 1994/1995
S/N
0G151655
and below
31 -1
-2
-3
-4
0.046 in.
0.048 in.
0.052 in.
0.052 in.
1-1/4
1-1/4
NA
NA
100 1995
S/N
0G151566
and above
7/6/94
32 -1A
-2A
-3A
-4A
0.046 in.
0.050 in.
0.054 in.
0.056 in.
1-1/4
1-1/4
NA
NA
115 1994
S/N
0G073756
and below
33 -1
-2
-3
-4
0.050 in.
0.056 in.
0.056 in.
0.060 in.
1-1/2
1-1/2
NA
NA
125 1994/1995 34 -1
-2
-3
-4
0.066 in.
0.068 in.
0.070 in.
0.072 in.
1-1/2
1-1/2
NA
NA

Mercury 90 Specifications

General

Brand	Mercury
Model	90
Category	Outboard Motor
Language	English