Came home, got a new impeller and gasket and installed it. That's one of my problems with going to a shop. It sounds like the oil alarm, There are two wires coming out of the bottom of your oil resevoir, under the drivers side, unplug the wire and replug them sometimes that will stop the alarm, if not make a mark on your oil resevoir, run the engine and see if its using oil. Sounds like it could be something like a fuel pump problem. They said dealers sometimes require a 20 hour service but Mercury does not. Tried spraying some petrol into the intake? Mercury Marine continues to expand its outboard and marine engine technology.
To satisfy his curiosity, Carl Kiekhaefer made modifications to the inventory of engines received with the newly acquired company. If there is a carb kit avaialble probably get that. It does sound somwewhat electrical and the coil is a good guess thats why I agree to check spark first when it won't start. Late 1940's progress necessitated more space for the Kiekhaefer Corp and a new manufacturing facility was established at a Fond du Lac, Wisconsin, dairy farm which eventually became the Kiekhaefer Corporations main headquarters. I would think about the coil. I'll look around on the internet for parts, and I have a service manual so I can put my tools to use. It wouldn't start one day.
Do some troubleshooting and get a selok if you need it. It's a 4hp outboard mercury two stroke that has some strange behavioral problems. Have taken the head off to check the condition of the bore which seems fine. If I start it every day I don't have a problem its when it sits for a long time and I try to start it the problem appears. Marine engine technology has evolved. I change my car's oil every 3-4,000 and never have any trouble and I put 25K miles a year on a car.
Replace spark plugs as needed. Could be the gas bulb too, check that out. I had a yamaha vmax 150 do the same thing as yours! Its a 4 stroke so maybe worth checking the valve gear and the clearances. It could be the float connected to the cap in the reservoir, but be careful. I know this is an old post but hope some one can help me out here. Registration is fast, simple and absolutely free so please,! Do you know any standard settings for air screws and such? From basic maintenance and troubleshooting to complete overhauls, our Mercury Outboard manuals provide the information you need. How new should the fuel be? Only problems I have had was starter and cables, and this boat has been well used.
Wasn't firing due to the Stator. Hard to figure on here exactly though I am having a problem with my 1989 90hp mercury outboard 3 cyl, it runs great but having a starting problem when I don't start it for a week or more it won't start check for spark no spark. I don't mind paying a fair price for parts but the service side of things makes me nervous. I would change the oil for sure, check the plugs and then follow mercurys service schedule myself, if its running good, it should be good on timing unless they are checking for either stretch on the timing belt if it has a belt or wear on the chain if it has a chain , I dont know how they time those. Just changed one the other day for a customer who thought it would be fine.
I tried dipping the spark plug in some petrol and putting it back in the starting, it sounded like it tried to fire but still didn't start. I bought this boat of mine last year, it has a 90 horse 1990 mercury 3 cylinder on it. If this has happened you need to have it cleaned out or you run the risk of much bigger more expensive problems. If it does definitely go for the carb clean. By logging in, you agree to follow the current of our forum.
Lubricate more frequently when used in salt water. . The most important tool in your toolbox may be your Clymer manual -- get one today. We have a profound appreciation for the quality, craftsmanship and engineering that went into creating these useful and often beautiful machines. X2 my boat is 25 years and they are the only ones to touch it, but then it is a Yamaha and I have many friends with Mercs.
Put new life into your Vintage outboard! Do I get a 20hr service or no? Vintage Outboard specializes in replacement parts for Mercury, Johnson and Evinrude outboard motors built from 1955 to 1980. Mercury has always made good anchors for a mooring buoy. Really that is a terrible failure by the manufacturer if true. We finally replaced it and when we did we saw the issue on the old harness, it had a cut and was not connecting good. Please help what do you think could be wrong with this motor. .