Lake Wedowee Life September 2020 | Page 27

are differences between the different makes and models so you’ll want to consult your owner’s manual. In most cases you’ll also need to remove block plugs (which allows water to drain from the engine and also helps remove sediments and scale that can gather inside). On top of that, you’ll want to make a thorough inspection of exposed hoses, clamps, the bellows, and other parts that may show wear after a long season of use. Stern drives will also need that fogging treatment. And remember to bring the engine up to operating temperature before fogging it, to “cook” out any moisture that may remain in the engine. What about those ever-important oil changes? Yes, this is the time to take that step with a stern drive, too. How to Winterize an Inboard Engine Inboards require a treatment similar to that of stern-drives, though you can eliminate the drive system from the equation. The engine can be drained by opening petcocks or removing plugs, or you can run antifreeze through the system (which is usually the preferred method). In some cases, however, inboard boats remain in the water for the winter. In this case, in order to run antifreeze through the system you’ll need to close the intake seacock and remove the intake hose from it. Then you’ll want to submerge the end of the hose in a bucket of (environmentally safe) antifreeze and run the engine until the antifreeze comes out the exhaust ports. Be sure to bring the engine up to operating temperature before running antifreeze through, because otherwise the thermostat will block the flow to some cooling passages until the engine is up to operating temperature. As with other engines: inboards also need a dose of fogging before a winter lay-up, this is the ideal time for an oil change, and a visual inspection should be made to identify any pieces or parts that may be in need to replacement. How to Winterize the Fuel System No matter what sort of boat you have, all gasoline fuel systems will need some individual attention. First and most important: dose the fuel tanks with a quality fuel-stabilizing additive. Winterizing with ethanol blended fuel in your tanks can be disastrous LAKE WEDOWEE LIFE 27