Lots of info on 4 strokes making oil I always run mine wide open for a while after trolling a lot.
Boat water oil. A certain amount of the fuel that enters into a motor is discharged unburned and ends up in the water. The oil could be some spills from the last oil change or there might be a leak. Assuming the oil looks good screw the oil pumps.
A new Grid function is added for drawing straight lines. Though each one is small in volume oil spills from small vessels add up. To manage my work life and passion I do 6 hours artwork daily at night.
The catamaran hull accentuates the flow of water towards the boats inner side where the vacuum propeller positioned behind the collection basket creates an aspiration flow. I would not pay for a surveyor to look at the boat until you have a signed price agreement. The maximum number of particles drops is 5000.
Visually inspect the oil. When I run wide open to the fishing spot and back on my larger motor that takes care of it. They dont run warm enough at slow speeds to burn off the condensation in the oil.
The zfIRM 220 is a very easy box to strip down and remove its light enough for one man to lift. My first big boat was a Newport 28. Oil floats on water so it will be at the bottom of the casing.
Such leaks occur when bacteria builds up in the antifreeze or coolant solution. Water in the oil is pretty common in small 4 strokes that idle a lot. Oil Spill Recovery Boat has excellent marine qualities and can also maintain a high level of efficiency in the open sea.