OMC Lower Unit Forward and Pinion Gears

^{j= Includes Forward, Reverse and Pinion}

HP

Year

Model

Forward & Pinion

25

1989-95

AR

2905

35

1987

AR, AE, AT

40

1984-88

40

1989-97

2905

48

1987-88

48

1989-96

2905

50

1979-88

50

1989-97

2905

50 (3 Cyl.)

1995-97

2902

55

1979-81

Electric Start

60

1980-85

Electric Start

60

1986-87

2902

60 (3 Cyl.) 20"

1986-97

all

2902

65 Commercial

1984-97

all

2902

70

1975

"E" Model

2902

70

1976-97

20" Model

2902

70

1976, 1986-95

all

-

75

1975-88

20" Model

2902

85

1978-80, 1991-95

all

2904

88

1987-96

all

2904

90

1981-97

Except 28" Models

2904

90 60⁰

^1995-2000

^{SPI, PI, VL, not for models with big case gear ratio}

²⁹⁰⁴

90 60⁰

^1995-2000

^{for models with big case gear ratio:  12:27}

²⁹¹⁰

¹⁰⁰

^{1979-80, 1990-94}

^all

²⁹⁰⁴

^{100 Commercial}

^1989-90

^-

^{105 Jet}

¹⁹⁹²

^all

²⁹⁰³

¹¹⁰

^1986-89

^all

²⁹⁰⁴

¹¹⁵

^{1978-84, 1990-95}

^all

²⁹⁰⁴

¹¹⁵

^{1978-85, 1990-95}

^all

²⁹⁰⁴

^{115 600}

^1995-2000

^{SPI, PI, VL}

²⁹⁰⁴

¹²⁰

^1986-92

^{all, except big case gear ratio}

²⁹⁰⁴

¹²⁰

^1986-92

^{for models with big case gear ratio:  12:27}

²⁹¹⁰

¹²⁰

^1986-92

²⁹⁰⁴

^120TL

¹⁹⁹⁴

²⁹⁰⁴

¹²⁵

¹⁹⁹²

²⁹⁰⁴

^{125 Commercial ESX}

^1989-90

^all

²⁹⁰⁴

¹⁴⁰

^{1978-84, 1986-87}

^all

²⁹⁰⁴

^{140 TL}

^1988-94

²⁹⁰⁴

^{140 TX}

^1988-94

^all

^-

¹⁵⁰

^1979-87

^all

²⁹⁰³

¹⁵⁰

^1988-90

^all

²⁹⁰³

¹⁵⁰

^1991-97

²⁹⁰³

^{150 Commercial}

^1993-95

^all

²⁹⁰³

^{155 Commercial}

^1989-90

^WTP

²⁹⁰³

¹⁷⁵

¹⁹⁷⁸

^-

¹⁷⁵

^1979-87

^all

²⁹⁰³

¹⁷⁵

^1988-90

²⁹⁰³

¹⁷⁵

^1991-97

^all

²⁹⁰³

¹⁸⁵

^1991-94

^all

²⁹⁰³

¹⁸⁵

^1984-85

^all

²⁹⁰³

²⁰⁰

^{1979-83, 1986-97}

^all

²⁹⁰³

²⁰⁰

^1991-97

^all

²⁹⁰³

^{200 Commercial}

^1990-91

^all

²⁹⁰³

²⁰⁰

^1991-97

^all

²⁹⁰³

²²⁰

¹⁹⁸⁷

^all

²⁹⁰³

²²⁵

^1986-87

^all

²⁹⁰³

²²⁵

^1988-90

^all

²⁹⁰³

²²⁵

^1991-97

^all

²⁹⁰³

²³⁵

^1979-85

^all

²⁹⁰³

^{Sea Drive Gear SETS}

^1.6

^1983-90

^all

²⁹⁰⁴

^1.8

¹⁹⁸⁷

^all

²⁹⁰⁴

^2.0

^1988-90

^all

^-

^2.6

¹⁹⁸⁶

^all

^-

^{2.5 / 2.6 V-6}

^1983-85

^all

^-

^2.7

¹⁹⁸⁷

^all

²⁹⁰³

^3.0

^1989-90

^all

²⁹⁰³

^3.0

¹⁹⁸⁸

^all

^-

^4.0

^1989-90

^all

^-