Outboard is a 1987 Johnson J20ELCUR.
Recently replaced the headgasket due to stripping the spark plug threads and having it helicoiled. Now at med to full throttle(forward) I hear a high pitch noise(not really loud) coming from the motor. I`m not exactly sure what it is. Also, Now the boat...
I have a 1987 Johnson J20ELCUR that I`m trying to fix but I have no idea what the name of the part is called. I need the part where the spark plugs screw in as I have stripped mine doing a compression test. The only part number I came up with in the diagram is #0327673. Which is the cylinder...
Just wanted to get some opinions from anybody...I was changing the gear oil in my outboard and noticed the old oil be be a mocha/light chocolate color.Do you fellas have any idea what would give the oil this color and where the problem might come from?My guess would be from mixing with...
