The most basic maintenance tasks are simply keeping things clean and where appropriate well-lubricated. Mercruiser Inboard Engine Maintenance Partsvu Changing engine oil and checking fluid levels are the best way to keep your. While you can do your own sterndrive winterization, Mercury recommends letting your dealer handle this critical task since if not done properly, any resulting damage won’t be covered by the warranty.Heres a checklist of things you can do to make sure your boat is always running smoothly no matter the type of boat you have. Replacing your sterndrive’s sacrificial anodes.Make sure to use a new gasket on the lower drain screw for a perfect seal. After draining, screw the upper vent screw into place, screw in the pump nozzle into the lower drain screw hole and pump until it reaches the proper level in the oil monitor tank. While the outdrive is draining, fit the pump to a bottle of Mercury High Performance Gear Oil. Then, remove the lower drain screw and trim the outdrive down. On 4.5L and 6.2L sterndrive models, remove the gear oil monitor cap to vent the system before using a flathead screwdriver to remove the upper vent screw on the outdrive. First, trim up the outdrive all the way and slide the drain pan underneath to catch the old oil. The procedure is easy to perform as demonstrated online by Mercury master mechanic Kevin Muth. MerCruiser gear oil should be changed at least every 100 hours and at the end of the season to make sure impurities or metal shavings don’t adhere to the gearcase’s interior. Always change the oil before storing your boat for the winter. Fill with Mercury/Quicksilver 25W-40 Synthetic Blend (4.5 US qt for the MerCruiser 4.5L, 5 US qt for the 6.2L).
Smear fresh oil around the seal of the new filter and hand-tighten it only. And don’t forget to change the oil filter, which can be done more easily if you punch a small hole in the top with an ice pick to ventilate it to allow it to drain the oil within. Another clever system uses a drain hose connected to the boat’s drain plug for easy passage through the drain hole that can be unscrewed at the end to dump the old oil.īefore changing the oil, run the engine for about 5 minutes to warm the old oil and then remove the oil fill cap to introduce air into the system before draining. The first is a Mercury/Quicksilver crankcase pump that attaches to the dipstick tube that pumps the old oil into a container. Changing the engine oil is made easy by a couple of innovations.
RECOMMENDED MAINTENANCE FOR AN INBOARD BOAT SERIES
MerCruiser has a series of videos on YouTube that walk boaters through some of the easier service items a boater can handle on their own. On 4.5L and 6.2L sterndrives, a handy sticker shows a host of information like what fluid levels should be periodically checked and also displays a complete maintenance schedule. In addition, it also keeps track of engine hours and will send a notification to the user and dealer, if desired, giving information when to service the boat engine. Not only does it inform the user of all engine parameters like speed, rpm, fuel consumption and all sensors like oil pressure, water temperature and voltage, VesselView also sends a warning if something is amiss. MerCruiser makes it easy to keep up with scheduled maintenance with add-on features like VesselView, which is a plug-in device that sends a wealth of information via VesselView Mobile to a smartphone or a boat’s multi-function display. This helps those who own Sea Ray boats to be able to handle many of the routine sterndrive boat maintenance items themselves. But unlike newer cars, which have increasingly DIY-unfriendly configurations, modern MerCruiser engines are purpose-built marine engines that are designed by Mercury to have service points that are easily accessible. The other benefit for shade-tree mechanics who are into DIY boat maintenance is the motors closely resemble those found under their car’s hood. The major benefit is the ability to have a wide-open swim platform that makes it easy to hop into the water or sit with your feet in the water while watching the sunset. While car engines get harder for owners to work on, the opposite is true for MerCruiser sterndrivesĭespite the increasing popularity of outboard engines, for many boaters who are into watersports or lounging at the sandbar, nothing beats a sterndrive-powered boat.
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