Change lower unit oil mercury outboard

If youve never changed your outboards gearcase lube before no worries. Begin pumping oil into the Mercury 2-stroke lower unit until oil begins to flow from the vent plug at the top.

If youve never changed your outboards gearcase lube before no worries.

Change lower unit oil mercury outboard. 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.

In this video it is time for me to change my lower unit oil in my Mercury Pro XS. Mercury recommends that you change the oil on a regular basis and I normal. Mercury Four Stroke Outboard Lower Unit Oil Change 40hp 50hp and 60hp - YouTube.

To change the oil you will need an oil pan screwdriver rags oil and a utility knife. Once you have gathered your supplies lower the Mercury outboard to its vertical position. Place the drain pan under the lower unit and then turn the lowest plug counterclockwise with the screwdriver.

Place the drain plug aside for the time being. Check back tomorrow for part II. Changing Lower Unit Oil on Mercury Outboard Part II.

Yesterday we began describing how to change the oil on the lower unit of a Mercury outboard. Picking up from where we left off remove the upper vent plug and set it aside. Oil should now be flowing out of the lower unit and into the drain pan.

Mercury recommends changing out the lower unit oil on your outboard every 100 hours or once a year. If youve never changed your outboards gearcase lube before no worries. It only takes some basic tools and around 10 minutes of your time to change a Mercury outboards lower unit oil.

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. 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. This video will show you a step by step instructional video on changing you outboard motor lower unit oil. This is a cheap way to keep up with engine mainten.

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.

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. 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.

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. 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. 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. Into the BOTTOM drain hole. Then slowly squeeze the bottle to force the oil into the lower unit.

Continue adding oil until the lubricant is flowing freely from the top hole and is free from air bubbles. Keep the bottletube in the bottom plug or plug the hole with your finger and re-install the TOP plug. MERCURY VERADO Quicksilver TWIN ENGINE Oil Change Kit 25W40 wLower Unit Hi-Performance Gear Lube Gaskets L6 200225250275300350400HP 400R Outboard.

Premium 2-Cycle Outboard Oil - For low-to mid-horsepower outboard engines under general marine operating conditions - Exceeds TC-W3 standards - Reduces rust and corrosion of internal components - Meets all outboard and personal watercraft manufacturers recommendations for use of TC-W2 and TC-W3 oils in pre-mix or oil-injected 2-cycle applications. 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.

One of the most essential maintenance tasks for your outboard lower unit is to change the oil. Before beginning you want to read the owners manual to get the appropriate weight and type of gear lube to use. The gear lube should be changed every 100 hours or once per year.

Equipment you will need.