I have researched this forum and others and saw limited results This is about the wash screw on the lower unit i know what it is for but I want to purchase the adapter for it so if any one can supply a link or part number it would mean alot and is it safe to run the engine at idle while using it the motor is a 15 hp 2-stroke the plate reads 15m 684C S 040758
and is made in japan I have checked yamaha also i have ben told it is a yamaha
and is made in japan I have checked yamaha also i have ben told it is a yamaha