Search results

  1. J

    Merc XR4 150 BlackMax owners that have removed OI...

    Hey guys, quick question, i bought my boat at the beginning of the summer, took it out after i got it running and it ran great, this was with the oil injection still installed. When the engine was warm it would start with the bump of the key. Now i have removed the oil injection and am just...
  2. J

    Merc Black Max xr4 150 bogging

    alright everyone, I’m having this issue with my Merc, when I’m in forward gear at a low RPM for some time and then try to hit the throttle, it seems like the cylinders are loading up with fuel and then when it burns off it picks up and takes off. I think it probably wouldn’t be a bad idea to...
  3. J

    1988 Mercury Black max 150 regulator help

    Hey guys, looking for some help regarding this issue im having with my boat. The volt meter reads 16+ volts when up around 3000rpm, on the gauge on the dash and i also have a digital volt meter that reads the same, which to me eliminates the gauge itself. I suspect its the voltage regulator...
Top