Where's the thermostat?

aramsbudo

Recruit
Joined
Jun 12, 2010
Messages
4
Is there a thermostat on a Mercury 500 50 H.p.? The year Is 1976. If so where Is It?
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
28,158
Re: Where's the thermostat?

Very few Merc Inline motors had 'em. It appeas that your motor doesn't have one...
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Re: Where's the thermostat?

Is there a thermostat on a Mercury 500 50 H.p.?

No.

aramsbudo said:
The year Is 1976. If so where Is It?

No, the year is 2010. Your engine was built in 1976....
Sorry, just being a smartass, can't help it :D:D:D

Chris........
 

latin monkey

Petty Officer 1st Class
Joined
Jun 5, 2010
Messages
272
Re: Where's the thermostat?

it would be located under your exhaust cover if you did have one
 

emckelvy

Commander
Joined
Jan 16, 2004
Messages
2,506
Re: Where's the thermostat?

Let there be no doubt about it, your Merc 500 4-cyl does not have a thermostat.

When Mr. Carl Kiekhaefer in his Infinite Wisdom built one of the best fishing motors of all time, he did not include a thermostat in the design.

Therefore, it obviously was not necessary!!!! ;)

So, best thing you can do for your Classic Four is to keep the cooling system properly maintained by renewing the impeller periodically and making sure you replace any worn pump parts at the same time.

HTH & Happy Boating.............ed
 
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