1994 Johnson/Evinrude Outboards 40 thru 55 Service Repair Manual P/N 500608, Page 155Get this manual
Quality of the image is intentionally reduced!
Discard the seal and O-ring
bearing
17 Remove the thermostat coverDiscard the O-ring 18 Remove the thermostat components for inspection
19 Inspect the thermostat seatReplace t