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What year is my motor

"Greg, I just might, but unfor

"Greg, I just might, but unfortunately the manual is written in cyrillic and I can't read Russian
"
 
"Mark, your model is actually

"Mark, your model is actually 40EL - for electric start long shaft.

This is a 1984 "C" model Mariner built by Yamaha (100%) for Mercury..."
 
"Hi, Trying to find out the ye

"Hi, Trying to find out the year and model of my 70hp Mercury. Serial # is 6230462. I couldn't find the model number on the ID plate.
Thanks
Steve"
 
"Steven, Merc's don't

"Steven, Merc's don't have a model number, just a production number (serial).

Yours indicates that is a 1982 model.."
 
hi hope somebody can help me i

hi hope somebody can help me i am trying to find out the age of my outboard it is a mariner 30 hp plate informatoin is
30ml 689 l 336081
thanks dellboy
 
"hi there I have just inherite

"hi there I have just inherited a fishing boat with a 40 hp mariner outboard on it, would be handy to know the year of manufacture so as to order some parts for her, the serial is 6E9 S 010265,

thanks any help would be great...."
 
"Derek, you have a 1989 Yamaha

"Derek, you have a 1989 Yamaha built Mariner.

Jamie, yours also is a 1989 Yamaha built Mariner.

Despite being built by Yami, these were produced for Mercury and parts are normally available at a Merc dealer..."
 
"superb Graham , Thanks very m

"superb Graham , Thanks very much for that. Dont suppose you know where I could get a diagram or a manual for this engine ? Tjhanks again"
 
"Greetings all

I have a Mar

"Greetings all

I have a Mariner 20EL that I'm trying to date: serial number is 6A9 L 550858. I believe that it is a UK model and it was made in Japan. Additionally I want to convert it back to tiller to run it on my inflatable tender: will anything get damaged if I don't connect it to a battery? (obviously I appreciate that I won't be able to use the electric start...)

Any information and general comments about the model would be most welcome.

Thanks in Advance, Mike"
 
G'day guys
I was hoping s

G'day guys
I was hoping someone could tell me the year of my outboard its a merc 25hp OG817052
I searched the net far and wide
until I found this site.
Great site guys and thanks in advance
Cheers Ant
 
"I just acquired a used outboa

"I just acquired a used outboard engine. I am told it is a 15 horsepower, Mariner engine. It has two cylinders. I found a number on the transom mounting bracket which appears to be 82CS04462. Can you confirm the make, year of manufacture and the proper fuel/oil ratio? If so, is the SELOCS manual the best resource book for my year model? Thanks for any help you can provide. Dan"
 
"Upon closer inspection, the n

"Upon closer inspection, the number on my engine has two number 2's at the end of the sequence and should read 82CS044622.
Are there any pros or cons, strengths or weaknesses with this year model engine? Anything I should be alert for or symptoms I should watch for?
Again, thank you for any info, help or suggestions that you can provide to me. Dan"
 
I am looking at a 15HP mariner

I am looking at a 15HP mariner made by yamaha in 1980/81 (I think)
Local dealer says some parts are hard/impossible to locate-True or is he just lazy
Anyone have any general comments/questions
 
Hit the Transmit button too qu

Hit the Transmit button too quickly
Last sentance should have read " Does any one have any experience or comments with these type engines

Thanks
 
"Dan,
I looked up the informa

"Dan,
I looked up the information using the web address provided by Mike Jakes and found you have a Mariner 9.9 hp built in Japan in 1983, Model 9.9M, SR# 682-044622.
James"
 
"Hey y'all, Im in need of

"Hey y'all, Im in need of some help. I have a 25hp mariner outboard and have no idea what year it is or any of the other specs. The only thing that I know about it is that is 25hp, its a mariner built by yamaha, and the serial # is 012942. If anyone could help me out with finding some information on the motor I would really appreciate it.

Thanks,

Tommy"
 
Does anyone know the year of m

Does anyone know the year of my Mariner 60E?
the serial #303152. It says 6FO in front of the serial #'s.
 
"Chris that's a 1982, elec

"Chris that's a 1982, electric start, long shaft model built by Yamaha for Mercury.

This particular model was not in production very long and not many got over to the North American market.

Some limited parts are still kicking around for this model, but even routine needed parts, such as carb kits are no longer available..."
 
"A friend and I just bought a

"A friend and I just bought a 2002, Mercury four stroke, model 9.9M 4ST, serial # OT498531.
What are the strengths and weaknesses of this year model? Anything we should be alert for or symptoms we should watch for? Thanks for any info or suggestions that you can provide us. Dan"
 
"George, the motor itself is a

"George, the motor itself is actually a Tohatsu painted black with Merc decals on it.

They are decently engineered and well built with no real issues.

However, it is a 4 stroke. That means you need to follow the maintenance schedule in the owners manual to a T or it will quickly turn into a paperweight.

Personally, I would change the oil/filter at twice the recommended interval unless the motor is run "alot" (over 200 hours of run time a year).

Since this is a "used" motor I would initially spend the money for a couple hours of service and have the valves adjusted (most likely never been done). They don't get out of sync all the time, but would normally recommend having them set after the second season the motor is run and then leave them alone.

With any used motor it's always wise to replace the impeller, change oil/filter and change the spark plugs. A can of Mercury "powertune" sprayed through the carb or some "seafoam" added to the gas wouldn't hurt either - gets all the "cooties" out of the system and helps remove any built up carbon in the cylinders..."
 
I bought a strong running 200

I bought a strong running 200 hp Merc with serial number d232205. Any idea what year?

Thanks in advance. }
 
"Graham, Thank you for your p

"Graham, Thank you for your prompt response. I think it would be a prudent act to put an in-line fuel filter in the gas line going from the fuel tank to the engine. Do you have any recommendation as to a particular filter or do most marine supply shops have what I need? Further, should I put the filter between the tank and the priming bulb or between the priming bulb and the engine connection?
Today I had an interesting problem. The engine started easily and I began to idle away from the pier. Everything went smoothly and I increased speed to about 5 mph. We motored along like that for about 15 minutes. I then increased the speed slowly to WOT. That seemed to go well . I ran like that for about 5 minutes as we returned to the pier. While still at WOT I noticed a momentary hesitation or maybe a "miss". I continued at WOT and top speed was maintained to a safe distance from the pier. I slowly reduced speed to make my approach to the pier. I finally slowed to an idle and in about 2 minutes the engine died. I could not restart the engine.
My next step is to take the engine to the dealer for the inspection and tune up you suggested. Do you think the engine died and would no restart because it has trash in the carburetor or do suspect other reasons? Thank you for your suggestions and insight. Dan"
 
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