Is this to hot

dave 416

Seaman
Joined
Apr 15, 2007
Messages
58
Hi guys I have a 1995 3cyl 50 hp johnson that runs about 78 C at idle speed on the muffs .Is this to hot does anyone know,This motor was just rebuilt thx
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: Is this to hot

i don't know about C, but it should run at 140 F to 160 F.
 

dave 416

Seaman
Joined
Apr 15, 2007
Messages
58
Re: Is this to hot

Thanks for your replies could it be running hotter because its still being broken in
 

bktheking

Vice Admiral
Joined
Jul 29, 2008
Messages
5,057
Re: Is this to hot

Shouldn't make a difference - break in or not. Did you rebuild it yourself?
 

dave 416

Seaman
Joined
Apr 15, 2007
Messages
58
Re: Is this to hot

I rebuilt it myself and changed the thermostat there is a good stream of water coming from the pee tube.
 

dish

Petty Officer 2nd Class
Joined
Aug 22, 2008
Messages
151
Re: Is this to hot

Test it in the water,my bet says it runs cooler.
 

bktheking

Vice Admiral
Joined
Jul 29, 2008
Messages
5,057
Re: Is this to hot

Did you notice water deflectors when you had the head off? Were they replaced @ the time of rebuild? I can run my V4 on muffs @ 135 @ idle all day long, something is up.
 

heid919

Cadet
Joined
Apr 5, 2010
Messages
13
Re: Is this to hot

78 degrees C is is 172 dedegrees F......A bit on the high side I believe.
 

bktheking

Vice Admiral
Joined
Jul 29, 2008
Messages
5,057
Re: Is this to hot

Damn on line conversion calculators, just tried another one and yes you are right, way too hot.
 
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