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    91 Merc 115hp 0D019809 Elpto buzzer

    Had the boat out yesterday, ran perfectly, on the way back to the dock at the end of the day, buzzer went off at the control/shifter. Good tell tale stream, motor was not hot, as we had been on the trolling motor for the previous hour. Motor was not run hard all day, mostly at 1500 rpm or so...
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    Changing starter on 1991 115 Mercury any tips?

    Apparently I have a bad starter on my 91 Merc 115 motor. It cranks real slow, then finally fires, the battery is a new 1000 cca unit, and all wiring and connections have been cleaned to existing unit, any trick to changing the starter, looks like I have to remove oil tank to get access. any...
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    1991 merc 115 elpto Sn0D019809 Bad Idle & Charging question

    Just bought the boat, motor runs great, except at idle, sounds like it has a big cam in it, really lopes, and shakes, when you accelerate either slowly, or quickly it smooths right out and runs great. Any ideas where to start would be appreciated, timing, fuel filter, I would assume these would...
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    1992 Merc 40 hp SN#0D105940 tach signal

    Gentlemen, I have purchased the correct 5 pin cable from control unit to tach that I am trying to install, I checked, and I have good 12v power and ground to the harness, but how do I check to see if I am getting a signal on the grey wire which is the one that is supposed to be sending the...
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    Motorguide 730 bearing change - difficult?

    I have a bent lower shaft or column on this trolling motor and was looking into changing the lower shaft and bearings, just wanted to know the does and don'ts of this operation. Looks like the lower shaft screws into the motor housing, and also attaches at the top of the shaft in the head of the...
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    1992 Merc 40 hp SN#0D105940 tach install?

    Looking for some help on installing a tach, I purchased the plug in cable from Mercury that attaches at the control box, I understand which wires go where, but I'm not sure what the correct setting for the tach is? the tach is used and therefore no paperwork, on the back there is a rotating...
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    1992 merc 40hp SN#0D105940 Tach install

    Can I install any tach on this motor, I noticed there is an unused plug, looks to be 4-5 pin at the front control box, does this have the sending information for the tach I would need to install a tach? Where can I find a wiring schematic which shows what these wires in plug go to? Thanks for...
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    1992 Merc 40 small wire by top spark plug off

    SN#0D105940 I found a small wire broke off by the top spark plug, can I solder it back on? Looks like it attaches to a small hex head that goes into the head.I was looking on the Merc site, and was wondering if this is some typeof temp probe?Thanks in advance for your help, Brad
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    1992 Merc 40 hp SN#0D105940 tilt/trim

    The power tilt/trim works very slowly, all the way up and down on my motor, I see the fill plug on the motor, do I raise the motor all the way up before I open this plug, and then what is the proper level to fill to? I picked up the correct oil, just want to make sure I don't overfill or...
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    Mercury 40 hp 1992 power tilt, pump impeller

    Looking for some suggestions on a slow operating power up and down cylinder on this motor. Runs very slow with a fully charged battery, I assume it is low on hydraulic fluid, but I'm not sure what type oil, how much is full, and also if there are other potential areas to check.Also would like to...
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