How To Change Oil In Mercury 4 Stroke Outboard

Never put the outboard in long-term storage without changing the oil. The pump allows you to attach to the bottom hole and pump the unit full until it drains out of the top hole screw the top screw in disconnect the hand.

Best 2 Stroke Oil For Mercury Outboard Mercury Marine Outboard 4 Stroke Engine Oil Change Kit 40 50 60 Hp Fluid Filt Oil Change Changing Kit Mercury Outboard

Make sure your outboard is filled with an FC-W marine oil that matches the viscosity and spec listed in the owners manual.

How to change oil in mercury 4 stroke outboard. Install New Oil Filter and Add Fresh Oil. Get the bottom one out then unscrew the top one this will make the oil drain out of the unit by gravity. Maintaining your Mercury outboards hydraulic tilt system will ensure that your system works as well and as long as your engine and perhaps longer.

4 Stroke Outboard Oil Capacity Filter Chart. Changing oil is simple. Tilt the engine up to the trailering position.

Changing the mercury oil on your 4-stroke is quite simple. You can find the engine capacity and oil weight on your 4-stroke by looking under its cowling cover and locating the tag or you could just read your owners manual. For the longer answer read on.

For example youll want to check Mercury FourStroke 115 oil level with the engine cool but a Yamaha 115 should be at operating temperature before you check the oil. Remove the drain plug and drain the engine oil into an appropriate container. Next tilt the motor back down again and measure the oil level with the dipstick.

There is a screen underneath the power head but filters are not used on the 99 and smaller Tohatsu models with the Mercury labels. I let the oil completely drain from the motor before I removed the filter and had No drips there either. The maintenance schedule for the Mercury 150 FourStroke and for most four-stroke outboards calls for changing the oil and the oil filter every 100 hours or annually.

Remove the filler cap from the back of the powerhead then fill the outboard with 3 quarts of Mercury 4-stroke marine engine oil and replace the filler cap. Consult your outboard owners manual which I hope youve read or at least saved somewhere for the exact oil check routine for your motor because each brand and model is a little different. Once oil is completely drained lubricate the seal on the drain plug with oil and reinstall.

Lock the outboard in the full tilt-up position. If you removed the drain screw to empty your oil carefully reinstall the drain plug. I just changed the oil in my Mercury 60 hp 4 stroke and had very little clean up.

One major factor in the wear of hydraulic systems like your tilt system is operating without the correct amount of oil or the wrong kind of oil. If you scan this with your smart phone it will give you step by step instructions how to change that oil and if you choose not to change that oil yourself. Click to see full answer.

Remove the drain plug with an 18mm wrench and drain the engine oil into an appropriate container. Randin Olson of Lock Jaw Guide Service shows us how to change the oil in a 50hp Mercury Outboard. 030 liter 300 ml.

You can simply just type in your zip code and it will give you the nearest Mercury Marine dealer that can do it for you. This is a fairly universal process for all Mercury 4 stroke. Mercury Oil Change Instructions for 4-Stroke 7590115 HP EFI.

Once oil is completely drained lubricate the seal on the drain plug with oil and reinstall. Mercury 8 hp 4 stroke no oil filter. For many boat owners this annual oil change is part of preparing the outboard off-season storage.

Vacuum-suction device tubing inserted into dipstick tube or attaching hose fitting to top of threaded dipstick tube. If you have a four-stroke outboard the engine oil and filter should be changed every 100 hours or once a season regardless of how many hours the engine was used. 2001 Mercury Mercury 50 Hp four stroke recommended oil drain interval 100 hours or once a year.

Position outboard so the drain hole is facing downward. Consult your owners manual for the precise quantity of oil your outboard requires. If the 2005s are like my 2008 there is a drain plug about 5 inches below the cowling on the passenger side of the engine you will need to tilt the engine up and turn the steering left and the oil will drain into a.

Tighten the filter until its finger tight then give it one more 360-degree turn. Turn the steering on the outboard so that the drain hole is facing downward. Do Not use a crankcase oil pump when changing oil or damage may occur.

Turn the outboard so the drain hole is facing downward. I would highly suggest a lower unit hand pump to replace the oil it is very viscous. Before you can begin draining your old mercury oil you need to check the level of oil on the dipstick.

Via threaded drain plug in lower cowling. Dont over-tighten when you replace it and refill with the appropriate amount of. Mercury Oil Change Instructions for 4-Stroke 1520 Carb.

Change the Oil. Just change the oil every 50 hours and do not run synthetic as it contributes to fuel dilution in the crankcase of your raw water cooled outboard. Tilt the engine up to the trailering position.

Once you have inspected your spent oil and filter set them aside for proper disposal. There are 2 ways to remove engine oil. Remove drain plug with a 58 or 16mm wrenchand drain engine oil into an appropriate container.

Storing the motor with old oil can expose internal engine components to moisture and acidic combustion byproducts which can cause corrosion. A special wrench may be needed for the oil filter located beneath the cowling but it too can be easily removed and replaced. Turn the outboard so the drain hole is facing downward.

Changing motor oil on 2005 Mercury 4 stroke. Be sure to follow. Tilt the outboard up to the trailer position.

The short answer is yesgo ahead and use the new Mercury oil. A drain screw is located on the lower gearcase. Lets see 910 for an OEM Mercury oil filter and 3 x 177 for OEM 4-stroke oil 1441 tax.

Remove the drain plug and drain the engine oil into an appropriate container. Check the oil level by tilting up the motor then letting it rest in that position for half a minute so the oil drains down into the oil sump. The new oil filter should be removed from its package and the o-ring lubricated with a thin coat of fresh engine oil.

5 Best Four Stroke Outboard Oil For Boats 2019 Outboard Boat Best Boats

Quicksilver 8m0081912 Oil Change Kit For 40 60 Hp Engines In 2021 Oil Change Changing Kit Quicksilver

Mercury Outboard 4hp 4 Stroke Manual Mercury Outboard Outboard Outboard Boat Motors

Mercury Four Stroke 50 Hp Engine Manual Engineering Mercury Manual

How To Replace Defective Mercury Outboard Air Filter On Efi Four Stroke75hp 90hp 115hp Mercury Outboard Air Filter Outboard