Mercury outboard lower unit oil change

Remove the oil vent screw and washer from the right side of the outboard just above the anti-cavitation plate. Put a drain pan under the lower unit then remove the oil drainfill screw and washer from the right side of the outboard at the bottom of the gearcase.

Now a lot of people say how do you change the oil on a 4-stroke outboard Its not too different than on a car but on the side motor theres an interesting little item called a QR code.

Mercury outboard lower unit oil change. Mercury lower unit oil changes are an important part of maintaining an outboard motor. Changing the lower unit oil of a Mercury outboard provides the proper lubrication for the internal components of the motor while removing normal shavings from the oil. Also having a look at the oil during a Mercury outboard lower unit oil change will give you details on the state.

Mercury Four Stroke Outboard Lower Unit Oil Change 40hp 50hp and 60hp - YouTube. Follow this step-by-step walkthrough and watch our Mercury Outboard Lower Unit Oil Change video above to get this easy job done. We worked on a Mercury 200XL Verado but the process is the same or similar for most Mercury outboard models.

Tools and Supplies Needed - Mercury Verado 200XL Oil Change. Mercury recommends changing the oil in your outboards lower unit after every 100 hours of use or once a year at the very minimum. Watch the video above and follow the steps below to replace the gearcase oil in and pressure test the lower unit of a Mercury 40HP outboard engine.

How often should you change outboard lower unit oil. Most sterndrive and outboard manufacturers advise you to change the gearcase oil in your lower unit every 100 hours or once a year whichever comes first. Clean oil is critical for protecting the heavily loaded gears in your lower unit and preventing expensive damage.

Changing the Lower Unit Oil The lower drainfill plug screw is usually located on the starboard side of the lower unit beneath the bullet-shaped portion of the lower unit housing. Locate your drainfill plug screw and adjust the trimtilt of your outboard motor or sterndrive so that this plug is in the lowest position possible in order to drain the used oil thoroughly. Much like how cars should receive an oil change every thirty-thousand miles your outboard lower unit oil requires changing every one-hundred hours the boat is in operating.

Without regular lower unit oil changes you run the risk of damage occurring in the engine. What kind of oil does a Mercury 150 4-stroke take. Remove the oil vent screw and washer from the right side of the outboard just above the anti-cavitation plate.

Put a drain pan under the lower unit then remove the oil drainfill screw and washer from the right side of the outboard at the bottom of the gearcase. 75 merc how to change lower unit gear lube Ok in the very lowest part of the lower unit theres a big ol flat-headed slotted screw. This is the gearcase drain.

Higher up and sticking out the side on the same side as the drain is the vent screw. Its usually a more rounder-headed screw but is also slotted. Wipe any oil from the outboards lower unit with clean shop rags.

Dispose of the used oil according to local law or regulations. Wash the whole outboard with a mild grease-dissolving detergent and warm water to complete the gear oil change. If you have purchased one of PartsVus handy lower unit oil change kits you will already have new gaskets oil and a pump.

Screw the pump into the lower drain hole then connect it to the container of gear oil. Begin pumping oil into the Mercury 2-stroke lower unit until oil begins to flow from the vent plug at the top. Changing your oil is a type of preventative maintenance that will help keep your outboard lower unit in prime shape so long as you keep up with it.

At the bare minimum you should change the oil out at least once a year and that can be enough. Make sure you replace engine oil and filters as well as gearcase in the lower unit. Now a lot of people say how do you change the oil on a 4-stroke outboard Its not too different than on a car but on the side motor theres an interesting little item called a QR code.

Most sterndrive and outboard manufacturers advise you to change the gearcase oil in your lower unit every 100 hours or once a year whichever comes first. How much oil does a Mercury outboard take. FOURSTROKE OUTBOARD OIL CAPACITY CHART Model US Crankcase Capacity 50 FourStroke 935cc 4 cylinder 317 QT.

MERCURY VERADO Quicksilver TWIN ENGINE Oil Change Kit 25W40 wLower Unit Hi-Performance Gear Lube Gaskets L6 200225250275300350400HP. The exact model used in this procedure is Mercury Alpha II outboard however this procedure is similar for all makes and models of outboards. This particular unit is also an inboard outboard unit meaning the engine is located inboard but full outboard units also have oil in their lower units.

The lower unit on Mercury outboards must be removed to change the water pumps impeller. Replacing the lower unit is part of replacing your water pumps impeller exchanging a drive shaft of one length for another length or replacing the oil seals on drive or propeller shafts. How to Change Mercury 40HP Engine Oil Oil Filter.

Remove the top cowling then tilt the motor up as far as itll go and turn it so the drain bolt is facing downward. Place a drain pan under the outboard and remove the 18mm drain bolt and its nylon washer from the driveshaft housing.