Johnson & Evinrude 1978-1988 2-Stroke 40-60 HP Outboard Gearcase Parts Diagrams

This page provides a comprehensive catalog of gearcase components for Johnson & Evinrude 2-cylinder 40-60 HP outboard engines manufactured between 1978 and 1988. Browse through expertly organized categories, including gearcase components, rebuild kits, seal and bearing kits, water pump parts, seal kits, gearsets, internal bearings, and wclutch dog parts. Ideal for DIY mechanics and marine professionals looking for reliable replacement parts to restore performance and maintain outboard engines.

The following parts correspond to the numbers on the diagram above: 

1. Small Roller Bearing
2. Forward Thrust Bearing
3. Reverse Thrust Bearing
4. Pinon Bearing
5. Forward Carrier Bearing
6. Aft Carrier Bearing
7. Complete Gear Set
8. Propshaft
9. Clutch Dog
10. Clutch Dog Spring
11. Clutch Dog Pin
12. Driveshaft Seal
13. (Not Pictured)
14. Shift Shaft
15. Shift Cradle
16. Lever
17. Detent Arm
18. Shift Lever Pin
19. Lower Exhaust Seal
20. Anode Block
21. Trim Tab - STD
22. Drain Screw Gasket
23. Fill & Drain Screw
24. Water Pump Kit w/Housing (391635), Water Pump Kit w/Housing (439077)
25. Seal Kit
26. Cotter Pin, Prop Nut