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When should I change the oil in my Mercury 4 stroke outboard?

When should I change the oil in my Mercury 4 stroke outboard?

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.

How much oil does a Mercury 4 stroke outboard take?

4 Stroke Outboard Oil Capacity & Filter Chart

Model US Crankcase Capacity
2.5/3.5 FourStroke 0.31 QT. (10 oz.)
4/5/6 FourStroke 0.48 QT. (15.2 oz.)
8 FourStroke 232cc 1.05 QT. (35 oz.)
8 FourStroke 323cc 1.05 QT. (35 oz.)

What kind of oil does a Mercury 4 stroke take?

Mercury 25W-40 Synthetic Blend Outboard Oil meets the stringent marine operational requirements of all of Mercury’s new 4 and 6 cylinder models.

How often should you change 4-stroke oil?

Four-stroke engines: these require an engine oil change every 10 hours of riding.

How often do you change the oil on a 4-stroke outboard?

Most engine manufacturers recommend that you change your oil every 50-100 hours (check your owner’s manual for your engine’s exact interval requirements).

How often should you change oil in a 4 stroke outboard?

How often should you service a 4 stroke outboard motor?

The rule of thumb is to service after every 100-hour interval.

How often should you change oil in a 4-stroke outboard?

How do you change oil on a Mercury outboard?

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. 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.

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.