How much oil does a Mercury 4 stroke outboard take?
Lightly oil the rubber O-ring on the oil filter and install it. Tighten the filter until it’s finger tight, then give it one more 360-degree turn. Step 8. 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.
How often should you service a 4 stroke outboard motor?
Annual Service Most outboard, sterndrive and gasoline inboard engines require basic service every 100 hours or annually.
How do you change oil on a Mercury outboard engine?
Steps for Changing the Oil on a Mercury 40-60HP Four-Stroke Outboard Motor. Tilt the engine up to the trailering position. Turn the outboard so the drain hole is facing downward. Remove the drain plug and drain the engine oil into an appropriate container. Once oil is completely drained, lubricate …
Can you remove the oil filter on a Mercury 4 stroke?
As the old oil is draining, you can work on removing the engine oil filter. Depending on your specific Mercury model, your filter may have a drain lip that helps to keep the mess to a minimum when you unscrew the old filter. However, most older engines do not have this feature.
How often do you change oil on a 4 stroke outboard?
Every 100 hours of use or at least once a year make sure to inspect the anodes, low pressure fuel filter, look at the spark plugs, as well as the thermostat. 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?”
Where to find oil weight on Mercury 4 stroke?
On a Mercury four-stroke, engine oil weight and capacity can be found by reviewing the tag on the engine under the cowling cover, or by looking in your owners’ manual. Before you start draining your old oil, take notice of the oil level on your dipstick.
How to change the oil in a Mercury outboard?
Once you have all the required tools and the oil and filter kit, follow the steps below to perform the oil change. The engine oil capacity for a 15 or 20 HP 4 Stroke Mercury Outboard Motor is about 1.0 Liter or (1.1 U.S. quart). Step 1: Tilt your motor all the way up and lock it. Locate the drain plug bolt as pointed by the arrow.
How do you change oil on a 4 stroke outboard?
Now a lot of people say “how do you change the oil on a 4-stroke outboard?” It’s not too different than on a car, but on the side motor there’s an interesting little item called a QR code. 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.
As the old oil is draining, you can work on removing the engine oil filter. Depending on your specific Mercury model, your filter may have a drain lip that helps to keep the mess to a minimum when you unscrew the old filter. However, most older engines do not have this feature.
When to change the oil in a 15 hp outboard motor?
This guide will explain how to change the engine oil and filter of a 15 or 20 HP (Horse Power) 4 Stroke Mercury Outboard Motor. An oil change is usually done after the boating season ends for winterizing or once the engine has run for a certain amount of time as indicated the engine manual.