Lower unit drawing
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| 2-3-Cyl. loop charge small gearcase 1975-1988 |
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Evinrude / Johnson 2-3 cylinder loop charged small gearcase identification for old style
lower unit years 1975 thru 1988
- Physical characteristics 15 1/2 inches tall
- Straight at the trailing end of the gear housing and the fin
- Pointed at the trailing end of the cavitation plate
- Six holes above the cavitation plate
- Internal water intake screens (four holes).
- No speedo pitot
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| 2-3-Cyl. loop charge small gearcase 1989-2005 |
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Evinrude / Johnson 2-3 cylinder loop charged small gearcase identification for newer
style lower unit years 1989 thru 2005
- Physical characteristics 15 3/4 inches tall
- Straight at the trailing end of the gear housing and the fin
- Pointed at the trailing end of the cavitation plate
- Six holes above the cavitation plate
- External water inkake screens
- Includes speedo pitot
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| 2-3-Cyl. loop charge large 1975-2006 |
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Evinrude / Johnson 2 & 3 cylinder loop charged large gearcase identification for
lower unit years 1975 thru 2006
- Physical characteristics 17 7/16 inches tall
- Straight at the trailing end of the gear housing and the fin
- Pointed at the trailing end of the cavitation plate
- Six holes above the cavitation plate
- Internal water intake screens (three holes)
- No speedo pitot
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| V4 90 1978-1998 small gearcase identification |
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Evinrude / Johnson V4 90 degree small gearcase identification for lower unit years 1978
thru 1998
- Physical characteristics 18 3/16 inches tall
- Straight at the trailing end of the gear housing and the fin
- Pointed at the trailing end of the cavitation plate
- Six holes above the cavitation plate
- Internal water intake screens (four holes)
- No pitot
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| V4 60 1995-2006 small gearcase identification |
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Evinrude / Johnson V4 60 degree small gearcase identification for lower unit years 1995
thru 2006
- Physical characteristics 19 1/16 inches tall
- Curved at the trailing end of the gear housing and the fin
- Flat at the trailing end of the cavitation plate
- Two slots above the cavitation plate
- External water intake screens
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| Type M V4 V6 large gearcase identification |
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Evinrude / Johnson type "M" V4 and V6 large gearcase lower unit identification for years
2002 thru 2006
- Physical characteristics 19 3/16 inches tall with 5-1/16 inch rear hub
- Curved at the trailing end of the gear housing and the fin
- Flat at the trailing end of the cavitation plate
- Three slots above the cavitation plate
- External water intake screens
- Includes speedo pilot
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| Johnson outboard type "O" V4 and V6 large gearcase identification |
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Evinrude / Johnson type "O" V4 and V6 large gearcase lower unit identification for years
1979 thru 2006
- Physical characteristics 19 3/16 inches tall with 4-5/8 inch rear hub
- Straight at the trailing end of the gear housing and the fin
- Pointed at the trailing end of the cavitation plate
- Two slots above the cavitation plate
- External water intake screens
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