Could anyone kindly tell me why there is a vent cap on the oil reservoir tank of my 1993 Mariner 75 hp 3Cyl? It is an oil injected motor, and the tank is full. Should I leave the vent cap open while running the motor? I just purchased and had the motor installed, and want to make sure that I do...
Hey folks...so glad that I found the iboats forum! What a wealth of information. I just bought a used 1993 Mariner Outboard and just had it installed on my center console. Can anyone recommend which brand and type of spark plugs I need. They need to be changed, because they are looking pretty...
