"I have an older Mercury XR4 1
"I have an older Mercury XR4 150HP outboard. I use my boat a few times a month. It Runs good. I was out there other day and it ran fine. When I was Trailering it up and when Putting on the Motor Toter, I smelled a bad smell that Seemed to be coming from the lower unit. I couldnt smell it standing up, Only kneeling down. Someone told me it was time to change my lower unit oil? Just if that was true or It maybe something else?"
"I have an older Mercury XR4 150HP outboard. I use my boat a few times a month. It Runs good. I was out there other day and it ran fine. When I was Trailering it up and when Putting on the Motor Toter, I smelled a bad smell that Seemed to be coming from the lower unit. I couldnt smell it standing up, Only kneeling down. Someone told me it was time to change my lower unit oil? Just if that was true or It maybe something else?"