Click on lower unit drawing for more details & larger photo,s	Johnson outboard part information and physical characteristic drawings
Large 4-1/16 " hub gearcase years 1975 thru 2006 Johnson outboard parts drawing 2 & 3 cylinder loopcharged 2 & 3 cylinder loop charged large gearcase identification for lower unit years 1975 thru 2006	2 & 3 cylinder loop charged large gearcase identification for lower unit years 1975 thru 2006 Physical characteristics 17 and 7/16 inches tall with 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) and no speedo pitot
Small gearcase years 1975 thru 1988 2 and 3 Cylinder head loopcharge engines (old style) 2-3 cylinder loop charged small gearcase identification for old style lower unit years 1975 thru 1988	Evinrude / Johnson outboard parts for 2 & 3 cylinder loop charged small gearcase identification for old style lower unit years 1975 thru 1988 Physical characteristics 15 1/2 inches tall with 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 with internal water intake screens (four holes) and no speedo pilot hole.
Small hub 3-7/8" gearcase years 1989 thru 2005 2 and 3 Cylinder loopcharge engine 2-3 cylinder loop charged small gearcase identification for newer style lower unit years 1989 thru 2005	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 pilot
Johnson leg small 4-1/8" hub gearcase drawing V4 years 1978 thru 1998 small gearcase illustrated photo V4 90 degree small gearcase identification for lower unit years 1978 thru 1998	V4 90 degree small gearcase identification drawing 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
V4 60 1995-2006 small gearcase identification V4 60 degree small gearcase identification for lower unit years 1995 thru 2006	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
Johnson outboard parts type "M" V4 and V6 large gearcase lower unit identification for years 2002 thru 2006	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
Type O V4-V6 large gearcase drawing years 1979 thru 2006 Type "O" V4 and V6 large gearcase lower unit identification for years 1979 thru 2006	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