How To Change Oil In Mercury 4-stroke Outboard

Video How to change the oil in a mercury 4-stroke engine Changing the 4-stroke mercury oil is the beginning of a 100 hour service. On a four-stroke Mercury, you can find the weight and engine oil capacity by reviewing the engine label under the cowl or by looking in the owner’s manual.

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Before starting to drain the old oil, check the oil level on your dipstick. Lower the engine to the running position and remove the belt. If your bolts feel stiff or sticky, apply a high-quality lubricant or spray the lubricant and work the latches. For Verado owners, you may need to replace the cable if it’s too long to neglect the cable installation.Read: How to change the oil in a 4-stroke mercury board: Mercury oil’s color is yellow, so locate the dipstick and plug by looking for bright yellow. If the oil level on the dipstick is high, the oil may have been filled during the last service. Or, it is also possible that the engine is “producing” oil due to fuel contamination from improper seal placement or another serviceable condition. If the oil level is low on the dipstick, your engine may be burning or leaking oil – both conditions you should investigate. You also need to note the smell and color of the oil. Dirty oil will be dark brown to black and a milky brown color indicates water contamination. A distinct smell of gasoline indicates that your engine may not have reached the proper operating temperature, or that your rpm may be excessively deflated due to carbon deposits or improper engine shutdown. extract or through the oil pan drain knob. The extraction method requires the use of a vacuum extractor that is inserted down the dipstick tube and the use of suction to pull the spent oil out of the pan. Oil extraction tends to be very clean and is probably most widely used among marine technicians. In addition, the drain screw itself can be removed. Make sure there is plenty of drain capacity as some engines can hold up to seven liters of oil. We also recommend using an absorbent pad like the 3M HP156 pad to catch any small water droplets that could spill soil into your driveway or lawn. oil to thin it out a bit. However, if possible, perform an engine oil change as the first part of service as the maximum amount of oil will be in the oil pan already from the running engine allowing you to extract as much of the old oil as possible. to minimize your new oil contamination. oil. Remove the old oil filterWhen the old oil is running out, you can proceed to remove the engine oil filter. Depending on your particular model of Mercury, your filter may have a drain that minimizes mess when you remove the old filter. However, most older engines do not have this feature. We recommend that you prepare plenty of absorbent rags or place a small cut-to-size cup under the filter before removing. Using the PartsVu Maintenance Essentials filter wrench is the best way to loosen the filter. Remember that when you reassemble the filter, over-tightening will only make life harder for you when you’re ready for your next service. Some technicians puncture the old filter allowing trapped oil to drain back into the block before removing, but this will damage the ability to remove the filter for further inspection. allows you to learn more about the condition of the engine. Blackstone Labs is one such provider, and they have a nifty mailing kit that includes everything you need to send an oil sample. They can also test gear oil, hydraulic oil, and oil from your other vehicles or toys. Oil test results can expose you to accelerated wear inside your engine long before any other symptoms appear. If you still want to know more about your engine, buy an oil filter cutter and open the used filter for evidence of contamination and metal dust or debris. Read more: How to Shorten a Bicycle Chain (Updated 2020) | Top Q & AI Install a new oil filter and add new oil After you have checked the used oil and filters, set them aside for proper disposal. If you removed the drain screw to refill the oil, carefully reinstall the drain plug. The new oil filter should be removed from its package and the o-ring lubricated with a fresh coat of engine oil. Rotate the new oil filter and gently tighten to set the o-ring without excessive vibration. Mercury Marine offers a wide range of engine oils – both in blends and viscosities. If you are unsure about which oil is best for your application, consult your owner’s manual. Loosen the yellow oil filler plug on the top of the engine and pour in fresh oil. We recommend adding a little less than the stated capacity. After the engine is retracted, check the oil level on the dipstick after allowing a few minutes for the oil to properly drain into the oil pan. Filling the oil to a lower level on the dipstick will help you measure whether the oil level changes over time while the engine is running. Tutorial – How to perform 100 service times on the 4th journey outer plank of Mercury Read more: how to make a diamond in a blender