Mercury 15XD User Manual

CARBURETOR/FUEL PUMP
Page 3A-6 90-826883R2 JUNE 1998
Carburetor Adjustments
Carburetor Number Stamped at Top of Carburetor Mounting Flange
Carburetor Number Model
H.P.
Main Jet
Size
Bowl
Vent Jet
Back
Drag Jet
Float
Setting
Pre-Set Idle
Mixture Screw
(Open)
WMC - 43
Commercial
25 .080 None None 1.0 in.
(25.4 mm)
1-1/2 Turns
WMC - 44 20 .044 None None 1.0 in.
(25.4 mm)
1-1/2 Turns
WMC - 52 20 .044 None None 1.0 in.
(25.4 mm)
1-1/2 Turns
WMC - 53
WMC - 53A
25 .076 None None 1.0 in.
(25.4 mm)
1-1/2 Turns
WMC - 54
Commercial
25 .080 None None 1.0 in.
(25.4 mm)
1-1/2 Turns
Low Speed Mixture Screw
Rich
Lean
a
a-Low Speed Mixture Screw
Main Jet
a
a-Main Jet
High Altitude High Speed Jetting
Altitude Main Jet
20 25 SeaPro/Marathon
0 - 5000 ft.
(0 - 1524m)
.044 in.* .076 in.* .080 in.*
5000 - 7500 ft.
(1524 - 2286m)
.042 in. .074 in. .078 in.
7500 - 10000
(2286 - 3048m)
.040 in. .072 in. .076 in.
*Standard Main Jet

Mercury 15XD Specifications

General

Brand	Mercury
Model	15XD
Category	Outboard Motor
Language	English