Evinrude / Johnson outboard parts drawings * How to videos

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Johnson outboard V4 90 degree small gearcase 1978-1998

V4 90 degree small gearcase identification for lower unit years 1978 to 1998

  • Physical characteristics 18 3/16 inches tall with 4-1/8 inch hub
  • Straight at the trailing end of the gear housing and the fin
  • Pointed at the trailing end of the cavitation plate
  • 6 holes above the cavitation plate and 7-1/4 inch from plate to center of prop shaft
  • Internal water intake screens (4 holes) and no pilot

Click on illustration below for tech drawing

v4 90 1978 1998 small gearcase drawing

v4 90 1978 1998 small gearcase drawing

Evinrude/Johnson outboard parts exploded view V4 gearcase drawing.

Johnson outboard V4-90 degree lower unit

Johnson outboard V4-90 degree lower unit