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  1. ntarver0568

    1998 Mercury 150 alarm, oil pump?

    The alarm stops when I disconnect the oil pump sensor, so I changed the sensor first. The alarm is still going off. I just want to make sure that the only other thing it could be is the pump before I spend more money on that. Thanks in advance for the help.
  2. ntarver0568

    1998 Mercury 150 oil pump rotation sensor location

    I'm having problems with my low oil alarm working backwards. Can someone tell me the location of the oil pump rotation sensor and green ignition wires? I've tried to look it up on google and can't find anything.
  3. ntarver0568

    1998 Mercury 150 low oil alarm

    My boat has been sitting up for approximately 3 months, and I just went to run it today and the alarm starts beeping like crazy as soon as I start it. I poured more oil in the reservoir and still, the same. If I remove the cap (where the float sensor is) from the reservoir under the cowling and...
  4. ntarver0568

    1998 150 Johnson 1800 rpm max

    1998 Johnson 150 hp (model # J150ELECD) running steady at 1800 rpm max in the water, runs 4.5k + fine when not under a load. This is my father in law's boat and I recently had the same problem with my 1998 mercury 150 hp and it was a bad stator. I just wanted to get some input before I go and...
  5. ntarver0568

    Removing oil injection

    1998 Mercury 150 Offshore 1998 20' Bayliner Trophy walkaround The oil pump that sends the oil to the reservoir in the outboard has gone out and I want to do away with the oil injection system and start mixing it manually. First, is there some sort of kit I should buy to do this or any...
  6. ntarver0568

    Won't run over 2K rpm

    I have a 1998 Merc 150 offshore. I was out in it about 2 weeks ago and it was running perfect until I stopped and left the motor running, went to go again and it wouldn't run over 2500 rpm after that, but it ran like it was missing. I changed the spark plugs and the starboard side plugs were...
  7. ntarver0568

    Water in tank 98 Optimax 150 DFI

    A friend of mine I am helping out changed the sending unit in his bay boat and installed it the wrong direction. After that he washed his boat and soapy water got in the tank because it wasn't sealed to the floor very well. We pumped roughly 13 gallons of the soapy water out on the lake the...
  8. ntarver0568

    1993 Tohatsu 90hp PSH removal?

    I have a 1993 Tohatsu 90hp, lots of fishing string and a big steel leader got hung up behind the prop, melted the seal and locked up the motor before I realized there was a problem. I spun the starter with a breaker bar and got it loosened up, removed the lower unit and it sounds like something...
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