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    50 HP Mariner-Water Leak at Powerhead!!

    OK, My 1985 50 hp 4cyl Mariner was running fine then I noticed intermittent hesitation and loss of power. The 4th plug wire had some rust around it and was obviously getting wet. I pulled the plug and it was very clean. The others had oil burn residue. The other day I noticed water leaking out...
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    50 hp Mariner-LOST REVERSE!! HELP

    Hi, Recently while running, my 50 hp Mariner 4cyl got stuck in a high idle and while driving to the ramp, I popped it in and out of gear a few times so I didnt come in too hot. It was pretty rough!! Anyway, I rebuilt the carbs (broken venturi was sticking the throttle open), put it all back...
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    Motor matching the Serial Number on Bracket?

    Hi, I have a 50hp, 4cyl, Mariner Outboard, I believe it is an 1986. The serial number on the bracket is A180856. Can anyone give me info on this serial number so I can see if it matches my engine? Trying to order parts but having trouble finding info on the 4cyl 2stroke Mariner 50. Thanks for...
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    New Boat Feels Slow- Prop?

    Hi, First post, been reading alot trying to get some info. I have a new (to me) 15 ft Hobie Power Skiff with a 50 HP, 4 cyl, 2 stroke Mariner outboard. Research tells me, I should be getting 35mph WOT with a light load. When I ran her, the GPS max speed was 25 mph, RPM max was 5800. It pulls...
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