Question about Raymarine Linear Feedback Unit For Outboard Engines, 12"

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Need firing order for a 86 chrysler outboard boat engine

Its a 3 cyl 85 hp 1986 2 stroke

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Firing order 1 2 3 is common on most three cylinder outboards. 1 3 2 is the only other combination.

Posted on Jul 26, 2009

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Posted on Jan 02, 2017

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1 Answer

Proper Maintance program for 1986 mariner 150 hp 2 stroke boat motor


The biggie is changing the lower unit oil,, making sure its not getting water inside,, R&R the fuel filter, R&R spark plugs, grease all fittings.. DOUBLE check the steering cables... they rust and corrode from the inside...NOT fun to be in a boat when the steering cable breaks!!!!!
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I have a 20 hp mercury outboard serial#06082001.I want to know what year it is and if it's 2 or 4 stroke


If you drop the first zero it would put it at 1981.

http://www.themarinedoctor.com/msn.pdf

this site gives a different answer, as 1980- 81, so close. It SUGGESTS it is a 4 stroke engine.

http://www.boats.net/parts/search/Merc2/Mercury/25%20%282%20CYL.%29%282-STROKE%29%28International%29/parts.html

It is likely a 4 stroke, but I won't give you a definitive answer, due to the damage it can cause with a guess!

A four stroke running with two stroke oil will just smoke, but a two stroke with no oil will seize and leave you stranded on the water with a seized engine!

A four stroke engine has valves operated by push rods or a pulley and a chain, a two stroke just has a head. Take a look at the engine and it should be obvious.

For your first service, I would suggest you go to a marine engineer. Ask all the questions, and get the right answers. When I had my 1986 Evinrude serviced, i typed a list of questions and left the list with him. i asked him when I picked up the boat and wrote the answers down. The first one was 'petrol to oil ratio and which is the best oil'. A basic service will cost you a hundred bucks and you will have some comfort that you are unlikely to break down, 6 miles offshore with only a paddle :)

https://www.google.ca/search?q=20+hp+mercury+outboard+serial%2306082001&ie=utf-8&oe=utf-8&gws_rd=cr&ei=uwm-WKjHK6SUjwSApJLQBw#q=mercury+outboard+serial+number+lookup&*

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1 Answer

Do I use reg gas or a gas mix?


Matt, If engine is two stroke and not oil injected then yes you must mix 2 stroke oil and fuel. 4 stroke engine have a crank case which is filled to proper level with 4 stroke engine oil. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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1 Answer

I have a 1978 merc 85 hp outboard with a bad pump i purchased a used one that works mine has 4 hoses


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? 4:18
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Dec 01, 2015 | Boating

1 Answer

Water got into the engine oil of my 8 hp 4 stroke when on the boat only as troller


Water gets in your engine through the exhaust with the boat speed! Lift that engine when not in use!

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1 Answer

Mercury outboard


The big nut that holds the gearbox together needs to be very tight

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1 Answer

Dont know how firing order works with a 86 buick Lesabre dont know witch 1 is 1 2 3 4 5 6 ect


I havent touched that engine before nearly all 6 cyl engines are

1-5-3-6-2-4 ....

but google it there are tones of answers on there

Jun 21, 2010 | 1986 Buick LeSabre

1 Answer

Idleling only 2 of the 3 cyl. working if you open


I had one.....make sure the linkage is hooked correct. If it works when you do it by hand the linkage may not be working...??

Dec 09, 2009 | Boating

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Fuel oil mixture for 1986 mercury 115


I own a small Mercury outboard so I did alittle reading in the manual and the ratio for your 86' 115 HP is 50-1. Hope it helps. Coach Theune

Oct 25, 2009 | Boating

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