Force Outboard Parts by Mercury

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1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1995
1996
1997
1998
1999
4 HP
5 HP
7.5 HP
9.9 HP
15 HP
25 HP
35 HP
40 HP
50 HP
60 HP
70 HP
75 HP
85 HP
90 HP
120 HP
125 HP
150 HP
Force Outboard Year Help

From 1983 until mid 1992, the following logic was used in Force Model numbers:

example: 43F7A = 4-horsepower, "3F" Model, 1987. "A" modification (first)
example: 90LD90C = 90-horsepower L-Drive, 1990, "C" modification

HP Series
Number
Series
Letter (A-Z)
Year
Indicator
Modification
Suffix
3.5
4
5
7 (7.5)
9 (9.9)
15
25
35
40
45
50
60
70
85
90
120
125
150
1-9

The use of the Series Number is not always consistent,
however these are their usual indications.
1 ~ Power Trim Model
2 ~ Manual Start Handle control
3 ~ Manual Start Handle control, long shaft (20")
4 ~ Electric Start, Long Shaft (20")
5 ~ Electric Start, Power Trim
6 ~ Electric Start, Long Shaft (20")
7 ~ Electric Start, Long Shaft (20")
8 ~ Electric Start, Power Trim
9 ~ Electric Start, Power Trim, Long Shaft (20")
null ~ normaly an L-Drive (series Letter will be "LD")
A-Z

Most Used
Serial Letters
F
X
A
G
E
C
S
P
L
Y
V
M
B
LD (L-Drive)
3 = 1983
4 = 1984
5 = 1985
6 = 1986
7 = 1987
8 = 1988
9 = 1989
90 = 1990
91 = 1991
92 = 1992
A
B
C
D
E
F
G
H
L
M
N
Z

*Note: Starting in 1992 Force adopted Mercury model number identification. These Numbers started with E000001 on up. for more information look in the 1992 - 1996 engine info.

If you have an engine made from 1983 - 1999 and are still unsure of your engine year, refer to the Force serial number year chart.
Search for your serial number by pressing CTRL+F to find the corresponding year.