Engine oil is the most necessary item to check on her mower. Nothing death an engine as conveniently as a short oil level, however it’s vital to gain it right, too lot oil is additionally bad for the motor. 

A mower engine calls for oil if the oil level reads listed below the low-level oil mark on the dipstick. A dipstick has actually two oil levels indicating marks, the top mark indicates the complete level, and also the reduced mark the short oil level. Add oil until it reaches the upper oil level mark on the dipstick. 

In this post, you will do it learn exactly how to check your mower oil level and also how to add oil consisting of oil form and quantities. This write-up should have the subject covered pretty well, but if friend need video help, inspect out “Mower oil examine video”.

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Dipstick marks

page Contents
Adding Oil

Checking Mower Oil Level

Checking the mower oil level have to be undertaken before every use, it only takes a moment of your time and also could potentially save you numerous dollars. Oil lubricates and also cools your mower engine, once a mower runs the end of oil, the engine builds so much warmth it fuses the internal materials together, a problem known together seizing the engine and also its terminal. The process for regular walk behind mower and ride-on tractor mower is identical.

Checking the oil need to be performed if the engine is off and the mower is parked on level ground.

To check mower engine oil level, follow these straightforward steps:


Locate – locate the dipstick


Clean – Remove and clean it. To eliminate a dipstick, revolve it anti-clockwise.


Read – Refit dipstick and also remove to check out dipstick level.

Locate Dipstick / Oil Filler

The dipstick is usually located on the side of the mower engine. The dipstick cap is generally marked with the word oil or oil deserve to symbol and also often a difference color. The dipstick is likewise the oil filler location.


Locate – Dipstick in yellow here.

Reading A Dipstick

The upper note identifies the full level and the lower mark the low oil level. The upper and lower marks might be letters, words, holes, or stamped lines. In between the high and also low marks, you may see a hatched area. This area denotes an agree oil level zone, however, it is always best to have the oil level reach the top dipstick mark.

Dipstick Markings – Dipstick markings vary, yet all follow the very same principle – upper is full mark and lower mark is low.

Some dipsticks employ a flower area in-between to identify an acceptable oil level zone.

It’s essential to note, while over there are plenty of styles that high and also low dipstick markings, over there are just two key dipstick seat flavors, threaded or winged. Carry out not thread house a threaded type dipstick in order to dip for oil. Doing so gives an incorrect oil level reading. Watch pics below or check the oil check video here.

Threaded – Threaded dipstick seat

Threaded – perform not subject to inspect the level

Correct Oil Level – Oil level exactly (Top hole). Quite work!

Oil Low – Oil level listed below the critical low oil level note (lower hole). Include oil now.

Oil Too full – Too lot oil, eliminate excess oil.

Adding Oil

Adding oil is simple, to fill the oil through the dipstick tube. Part dipstick tubes may be tiny and awkwardly located, if it is the instance you’ll need a funnel (MacGyver funnel – reduced the base turn off a plastic drinking bottle). Once filling oil just remember to add a little and recheck the oil level, repeat till the oil level get the upper mark on the dipstick.

Adding as well much in its entirety will cause the dipstick to review over the full mark. Overfilling is a typical error and also most think it can not hurt any, yet they room wrong.

Add a little & Check

While too lot oil is better than too little, also much deserve to still cause some problems. From empty, most mower engines won’t hold an ext than .65 the a quart. Ideally, a mower should obtain a tune-up once a year, which has an oil change. I created a complete write-up with pics and also instructions on the subject and you can check it the end here.

You’ll likewise find a video on “Mower tune-up” here.

Symptoms associated with too much oil include:

No startPull cord hard to pullStarts and stallsRuns through lots white smokeOil leaking native mufflerGeneral oil leaks

Removing Oil

The very first task prior to working her mower is to eliminate the spark plug wire, this prevents accidental starting. Remove oil deserve to be a small messy, specifically if you’ve just added a little too much. Knowing exactly how much to eliminate is hit and also miss. Most modern mowers will allow oil to drainpipe by tilting the mower ~ above its side, engine oil flows out with the dipstick tube. Girlfriend can examine that out in this video, it covers a mower tune-up.

Older mowers will have actually a consistent oil drain plug under the mower wherein the blade is located and also that type is messy. I prefer to use an oil extractor siphon, which provides the task simple and you usage it ~ above other tasks like draining the gas tank. If you require a siphon, i recommend the Briggs & Stratton oil and also gas siphon, it’s good quality at a same price and you can examine it out on the “Small engine tools page”.

Oil extractor, the preferred method.

Mower Oil Type

Mowers will certainly run perfectly well with vehicle engine oil. That is that course better to usage the oil form specified through the engine machine 5W30 or 10W30 works good for mower engines.

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Briggs and also Stratton oil kind – 5W30Honda oil type – 10W30Kohler oil type – 10W30Tecumseh oil type – 5W30Kawasaki oil kind – 10W30

Check out the Amazon link below for lawnmower oil ceded to her door.