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    1998 40 hp mariner no top end

    i bought this motor last summer and when i got it to the lake it would only turn 3500 rpm's then it suddenly woke up and ran like a champ (5500)rpm. i only put it in the water one more time last summer (georgia drought) and it did the same thing. after it comes alive it runs great the rest of...
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    mariner 40 oil injection

    is this system reliable ? i had a failure with a omc years ago and do not want another one. how do i disconnect it ? 1998 3 cyl 40 hp mariner
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    motor swap

    i have a bass tracker with a 1988 25 hp mercury. i want to swap over to a 1998 40 mariner. the first obvious problem i see is that the 25 merc is clamped at the top and bolted down low. the 40 mariner has a totally different bolt pattern. does anyone make a adapter plate of sort to keep me from...
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    motor i.d.

    i am shopping for a used motor. i found a mariner 40 hp. the motor is currently on a pontoon boat. the model number is 40ELO,what does the "ELO" mean ?
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    motor swap

    i have a bass tracker panfish with a 1988 25 hp mercury would it be worth the trouble to swap the engine out for a 1988 35 hp mercury ? what kind of speed increase would i get ?
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    1985 yamaha 40 compression

    i am thinking about buying a 1985 40 hp yamaha, the compression checks at 80 for all 3 cyclinders . is this average compression for a yamaha ? thanks to all
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    idle adjustment 89 johnson 40hp

    i feel i need to bump the idle up a few hundred rpm's on my motor. how do i do this ?
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    40hp 1989 johnson running poorly

    here are the symptoms : idles poorly,motor stumbles with any acceleration for a moment then clears up,running wide open if you bump the choke it will gain about 300 rpms. when idling if you hit the choke it will run smoother as well. i just bought the boat and have replaced the fuel and the plugs.
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