Quicksilver 80W-90 Premium Gear Lube
The oil/petrol mixture is 50:1 for the evinrude motors
Yes, it can leak at the sending unit.
A 1973, 50hp Evinrude outboard uses a 50:1 fuel to oil ratio.
The oil sending unit is located slightly lower than the distributor on the engine block.
The 9.5 Evinrude Has a 50:1 Ratio Oil Mixture
pwd 40
You don't put motor oil in a lower unit. Get a few tubes of lower unitgear lube from a marine supply dealer and a device to squirt it in. Remove the screws at the top and the bottom. Drain the old lube out. squeeze the new lube in from the bottom till it comes out the top, then re install the screws. Do this at the end of every boating season.
the ac slows the engine, the lower idle causes the lower oil pressure
The 1975 year model, 100 hp Evinrude, requires a 50:1 fuel to oil ratio.
If it is a 2 cycle where you mix the oil with the gasoline then use 2 cycle marine oil. If it is a 4 cycle then use the weight recommended by Evinrude.
50:1 gas to oil.
50;1 ??