What year is my merc 50 3cyl

serial 5797770 also is there a

serial 5797770 also is there a thermostat and where also what year is it? there is a # on the lower part 159-7611 what is it

"looks like an 81 here
[url="

"looks like an 81 here
http://www.maxrules.com/Merc_model_files/40-50.html

Are you sure its not a 4 cyl, look way down low. I didn't see a thermo on that one but we need to be sure which model it is."

"I was able to double check th

"I was able to double check the history for you from mercury on this engine.

ENG:Serial# 05797770 model# 1050520 MERCURY 50 EL

Sold To: STN MNTN MEMORIAL
STONE MNTN PARK
STN MOUNTAIN GA , 30086 Purchased: 02/18/1981
Water Type: OTHER
Primary Use: COMMERCIAL
Registered By: NO DEALER FOUND
Warranty Period: 02/18/1981 - 02/18/1982
Warranty Period: 02/18/1981 - 02/18/1982
Product Protection Period: NONE
Manufacture Date: NONE
Date Type Dealer Information Misc. Information
03/17/1981 INVOICED
02/18/1981 REGISTERED EXP : 02/18/1982"

"most impressive, guess I can

"most impressive, guess I can go back to drinking "

"(LOL) No you can'

"(LOL) No you can't, Because I hate outboards.

Also I can not see anything showing a thermostat in my parts break down area, And to be honest for some reason it's not showing anything for engine cooling either.
to outboards Have fun, And good luck with it."

wow you guys are good thanks

wow you guys are good thanks

I looked again but there is no

I looked again but there is no 0 before 5797770 on the plate

"The 0 would be ignored, they

"The 0 would be ignored, they started adding them around 86 when they went to lettering. So I'm guessing if you have one of those fancy comp programs you need to add a digit to have enough xxxxxxxxx. you can look at aparts breakdown by serial # or year here
http://www.crowleymarine.com/parts.cfm"

"oh and your engine if it is a

"oh and your engine if it is an 80-83 would have blue stripes on the cowl, making it a "blue band""