![I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new](https://f01.justanswer.com/JACUSTOMERkyg0h26a/2014-03-16_173415_20140316_132234.jpg)
I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new
Running that 1988 Mercury 150hp XR4 Black Max oil-injected 2-stroke with carbs. Rectifier needs to be replaced, water pump should be replaced, battery... | By Outboard Madness | Facebook
![I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new](https://f01.justanswer.com/JACUSTOMERkyg0h26a/2014-03-15_210204_20140315_163843.jpg)
I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new
![I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new I have a mercury 150 black max that has no power under a load. Boat revs fine when prop is not engauged. It has new](https://f01.justanswer.com/JACUSTOMERkyg0h26a/2014-03-15_205920_20140315_163801.jpg)