I just purchased my first boat. 16' Sylvan with a 75HP Johnson stinger on it. Before taking it out for the first time I decided to change the lower drive oil. I removed the lower plug and mostily water came out followed by a nasty thick black sludge. I am not sure how long it has been ran like...
I have a 2000 125hp mercury oil injected 2 stroke. The motor runs fine but everytime I park the boat I come back to a puddle of oil that leaked all the way down the lower unit. So I took the carb cover off and ran the motor with the hose hooked up to it. After about 5-10min of running it I...
