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  1. J

    merc 150 oil alarm

    While cruising yesterday I started to get an intermittant alarm indicating low oil, I checked the reservoir and its pretty full but Apparently not enough to float the sensor, if I manually raise the sensor the alarm goes off, what would prevent oil from getting to the reservoir from the main oil...
  2. J

    water pressure gauge 150 merc

    ok , I replaced the water pump, poppet valve and t-stats, then I installed a water pressure gauge, the readings I get are as follows at idle it reads about 2 psi between 2000-3000 rpm it reads abot 6 psi and at wot it reads 10 psi from what I have read in this forum that seems low, any...
  3. J

    centrifugal slinger

    Hi Guys, I am changing the water pump on my mercury 150 salt water series outboard, I am using a seloc manual as a guide, I already dropped the lower unit and one of the first things it says is to slide the slinger up and off the shaft, problem is i dont see anything above the pump housing and...
  4. J

    remove cowlings

    I have a 2003 merc 150 saltwater series outboard, been having a heat alarm between 2000-3000 rpm so im replacing stats, impeller and want to change poppet valve at the same time, I located the poppet on the lower starboard side block and need to remove cowling to access it, I'm a newbie to out...
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