How to Winterize a Mercury Marine 150 Hp 4 Stroke Outboard Motor

As with all Outboard Marine Engines in general the process of winterization as you prepare your motor for long term winter storage is much more straightforward versus sterndrive or inboard boat models. The Mercury Marine 150 Hp 4 Stroke Outboard is no different in that access to the motor is very good, as well as the location of the oil drain, filter, etc couldn’t be made much easier.