140 hp OMC sea drive

fishtilubleed

Cadet
Thread starter
Joined
Jul 29, 2026
Messages
16
Do these have thermostats? I thought they all did but nothing I can find in the parts diagrams.
 

racerone

Honorary Supreme Mariner
Joined
Dec 28, 2013
Messages
39,955
Thermostats are found behind the cover at the top of cylinder head.----Clearly shown in parts diagram.
 

racerone

Honorary Supreme Mariner
Joined
Dec 28, 2013
Messages
39,955
The 20AHRJAS is clearly listed with the SEADRIVE line up of motors !
 

fishtilubleed

Cadet
Thread starter
Joined
Jul 29, 2026
Messages
16
Next little question how much clearance should there be between the lower case and the prop? what does the 3 blade thrust washer do?
 
Top