94 omc 351 5.8 overheats when launched...takes long time to prime.

janpoe

Cadet
Joined
Aug 3, 2009
Messages
7
After launching boat, engine will overheat. Eventually will cool down and run great all day. Ran the engine
with rabbit ears and same scenario. Water going into outdrive but not coming out. After about a half hour messing
around, water started running out of outdrive and motor was cool and ran great the rest of the day. I removed the therm but no change. Has fairly new impelller but did this with the old impeller. Engine has been out for haul repair but did this prior. Has new lower unit but again did this prior. Same outdrive as a 94 Volvo Penta SX.
 

Lakes84

Petty Officer 1st Class
Joined
Aug 28, 2011
Messages
253
Re: 94 omc 351 5.8 overheats when launched...takes long time to prime.

Look down a few threads....someone else had the same problem today.
 

Levinz11

Senior Chief Petty Officer
Joined
Apr 1, 2012
Messages
726
Re: 94 omc 351 5.8 overheats when launched...takes long time to prime.

I must be seeing double today??
 
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