Recent content by MGA

  1. M

    Yamaha 1986 PROVJ 150 HP- cuts out at hi speed

    The engine runs great - but at full bore after about 5 minutes I feel like I am losing one cylinder - drops a 100 rpm or so them catchs back then drops. you can't really feel it but you can hear it and see it on the tach. It runs all day at 3000 rpm. I have cleaned the gas tank, put in a fuel...
  2. M

    Buzzer- Yamaha 1986 PROVJ 150 HP

    I was running for about 20 minutes at 4100 rpm and the buzzer goes off. As far as I know the alarm buzzer goes off for low oil in the outboard tank, low oil in the inboard tank, low oil pressurre, and overheating. I have warning light for the first 3 and recently replaces the oil pump, and...
  3. M

    oil coming out the carb PROVJ 150

    HI; I have oil slowing dripping out of one carb air intake, I am lead to believe that this has to due to a check valve in the oil pump, I note that the conversation kits for 1986 PROJ 150 Yamaha has check valves in the lines going to the carb, but these check valves are not on the orginal oil...
  4. M

    Oil coming out of one Carb - PROVJ 150 1986

    HI: I am wondering if you have any insight to oil coming out of one carb while the engine sits, doing nothing. I found one reference to this problem being a check valve in the oil pump/injection system , I have the shop manual but I can't anything that refers to that. Perhaps with this engine...
  5. M

    Cleaning Fiberglass Hull

    I have a new to me 19' Boat which I have been doing engine repairs and hull repairs to for the past 3 years. But I have not been cleaning it. This year with the major stuff behind me I want to make it look pretty. I am using VIM to clean off the hull, but there is a stain in the fiberglass left...
  6. M

    Hour meter wiring

    I bought an hour meter 2-3 years ago and asked the fellow who works on my boat to hook it up which he never did, needless to say the instructions are long gone. It has two wires, I have a Yamaha 150 prov, the wiring harness is a big mess of wires in the center consol. Any suggestions as to where...
  7. M

    Yamaha Outboard what year?

    I have a ProV 150 J the other numbers on the plate are 6J9 L 301050 can anyone tell me what year that is? MGA
  8. M

    150 PROV Yamaha oil tranfer problem

    Recently had the engine off the boat and put back on. On the first trip out the oil alarm came on, I tranfered oil using the manaul over ride switch (so I know the pump works and the filter is not cloged). So were do I go from here? Is it the sensor or the black box the tells the pump to pump...
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