Recent content by underpressure

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    new motor need to know the year

    i just purchased a 25 hp evinrude outboard motor for 120 dollars off craigslist, i was told it was a 78 year but not sure here is the model and serial number,model number is 25602E serial number is E0005257,i just need to know for sure so i can order a service manuel ,as usual thanks in...
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    15r75c prop nut torque help

    i got my new prop from iboats this week and cannot find the torque spec for the nut in my service manuel does anybody know what it should be torqued to? 1975 johnson 15 hp
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    fish finder/gps advice

    looking to buy a fish finder/gps unit for my boat this winter,nothing to fancy something that works,we have a 1974 starcraft 14 foot ,just wanting input on what i should be looking at want to spend approx $400.00 or less on the unit ,thanks in advance for any info
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    1974 starcraft bench seat repair

    i purchased a 1974 14 foot starcraft boat this summer ,one of the wood bench seats cracked and i want to know what kind of wood to use for this repair , looks easy enough to do just not sure of the type of wood to use ,also want to replace the transome wood this winter and what type of wood...
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    3 blade to 2 blade prop

    i recently spun the hub on my 3 blade prop on my 1975 15hp johnson motor,went to my local marina and they have a 2 blade prop 9.5 x 10 and he also has a 3 blade 9.5 x 10 prop ,he told me the 2 blade prop is a weedless prop and that i would not notice much of a difference between the 2 props ,my...
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    boat wont move but prop is spinning

    went out fishing today ,and its the first time we had 3 people on the boat ,its a 14 foot starcraft with a 15hp johnson engine (15r75c) , we were going to our location felt like we were losing speed ,like if you just ran through some sea weed or something,the prop is spinning but if you open the...
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    1975 15hp dropping a cylinder

    model is 15r75c ,went out on the water last weekend and motor was running perfect,after about 20 min of running ,it feels like it is dropping a cylinder,but it never stalled out ,just loss of power ,and after 5 seconds or so it was running fine again,and keeps repeating this cycle,so i purchased...
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    prop help 15r75c outboard

    this is my first boat ,searched the forums could not find an answer,so here we go i have a 1974 14 foot starcraft boat approx weight is 180lbs ,the motor is a 1975 johnson model 15r75c ,the prop that is on the motor is pretty beat up,took boat out for a trial run and it works but seems to have a...
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    transom modification

    i have found a boat at my local dealer that i want to purchase but it is set up for a long shaft motor ,my motor is a short shaft ,he said due to the fact that it is welded aluminum that it can be safely cut out and weld and it will be safe ,the boat is a 2001 polarkraft 14 feet in length and in...
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    what size boat for my motor

    recently got a free 15hp johnson outboard ,made all needed repairs ,motor runs great 120.00 in parts not to bad,was wondering if a 12 foot boat is to small for this engine ? or should find a 14 foot boat ,thanks again in advance
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    1975 15hp waterpump issue

    just got this motor and fixed the reed valves and engine runs great even idles by itself ,thanks to all the help from this forum,installed a new waterpump kit and when i took old pump off the inpeller fins were facing in both directions ,i put the new one in with the fins facing in the direction...
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    how to check engine vacume

    was wondering how to check to see if i have enough vacume to draw fuel mixture into the cylinders on my 15hp model 15r75c enigine,have installed new fuel pump fuel is getting to the pump and up to the carb but still cant get the pump to pulse fuel when turning engine over,clinders are in...
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    fuel problem 15hp

    just got a 15hp model 15r75c outboard engine will start if you spray fuel into cylinders ,removed carb and it was clean ,have fuel up to the pump,but when you turn the motor over no fuel will pumps out of the pump to the carb,if you squeeze the primer bulb fuel will come out ,should fuel come...
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