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    Will a 75hp engine block fit on my 90hp clamshell engine?

    My old 90hp outboard has really bad compression, and misfires all the time on one cylinder. The mechanic says it need a rebore, but there is no way I can afford that. I can get a 75hp engine block, with the pistons and crankshaft still in it for a reasonable price. WILL THE 75HP BLOCK FIT ON MY...
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    Warning alarm on and off constantly

    I have a Belgium made 90hp mariner made in 1991, on the water yesterday and a warning alarm came on, and went off erraticly long beeps, short beeps, and all sorts of beeping and constant beeps with no regularty at all, I thought is was a loose connection somewhere. I tried it on the shore with...
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    Enrichener valve not working???

    I have a 90hp 2stroke 3cylinder 1991 mariner outboard that I am having trouble getting started. During the summer and warmer months the engine would start but it would take a lot of turning over before it would fire up. As soon as the weather got cold the engine wouldnt start. I know that the...
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    What new battery?

    I have a 1991 90hp 2 stroke Mariner outboard I need to get a new battery for it. After looking on the internet at batteries Im a little confused. Deep cycle or starting battery? The only electrical devices on the boat are a fish finder and bilge pump. Am I right in thinking the bigger the better...
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    How hot should my engine get ?????

    I have just bought a late 80s 90hp 3 cylinder mariner, and when the engine is run on the sea it gets very hot. There is water pumping through the engine well but the top of the engine feels very hot after 5 minutes of running around. Ive had a few outboards and Ive never felt an outboard get...
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    Warning alarm sounding when oil tank is full.

    I have a late 80s 3 cylinder 90hp mariner, when I took it out to sea within 5 minutes a beep beep beep alarm started coming from the control box, I thought it was and overheating alarm so I turned off the engine and felt how hot it was. The top of the engine felt qiute hot even though there was...
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    40hp mariner enging stalling under load

    hello I have a 1993 40hp mariner that starts well untill the throttle is pushed forward and then it stalls. If i lift the warm up lever a little it will go into gear and run fine, and then i can push the warm up lever back down once the boat is moving. But as soon as the engine has been put into...
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    stalling engine on my 40hp 1993 yamaha

    I have a 1993 40hp yamah made by mariner, the engine starts well and when it is out of the water it goes into gear without any problems. Once the boat is in the water as soon as I push the throttle forward it stalls every time unless the warm up lever is raised a little. Once the boat is moving...
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    4hp evinrude no pee stream???

    Ive just got a short shaft 1986 evinrude outboard. But there is no water coming from the engine as in a pee stream like I have seen on most other outboards. Should there be a stream of water coming out, or does it have a blockage somewhere, although I have had a good look I cant see anywhere for...
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    Have I damaged my engine?????

    I was using my 40hp yamaha/mariner outboard and I didnt realise that the water that cools the engine wasnt coming out properly, instead of a steady stream of water there was only a trickle. There was a blockage in the exit hole which I have now cleared, the engine was only run like this for...
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    is my engine yamaha or mariner????

    Ive just brought a yamaha engine but on the plate where the serial number is it says mariner 40 ML and the serial number is 6E9 L 361398. I want to buy a service manual for it but I dont know weather to get a yamaha or mariner manual. I think the engine was made in 1993 but Im not totally sure...
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    is my engine yamaha or mariner????

    Ive just bought a yamaha engine and on the plate with the serial number it says mariner 40ML, the serial number is 6E9 L 361398. I want to buy a service manual for the engine and I dont know weather to buy a yamaha or mariner manual. I think the engine was made in 1993 but Im not totally sure. I...
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    blown fuse on a 1973, 50 hp jonhson

    I have a 1973, 50 hp johnson that keeps blowing fuses. Model 50esl3r, serial c6786 can anyone out there help me out with a wiring diagram, or such like. Im new to the boating world and could really use some help. thank you
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    electrics on a 50 hp johnson

    I have a 50 hp johnson model no,50ESL73R serial no,C6786 . Not sure what year .bought it secondhand. The engine runs fine but it keep blowing fuses and some times I cant turn the engine off.
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