4 cycle mowers........20 ounces of oil?

robarOctober 13, 2013

Just to be sure and correct me if I'm wrong, but is it a standard amount that all 4 cycle push mower take exactly 20 oz. of oil?

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bill_kapaun

20 oz. is probably most typical, but not in every case.
They've been making these things for 60+ years.

    Bookmark   October 14, 2013 at 12:21AM
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ewalk

Robar: Use the old tried and proven method . Utilize your Engine Oil Dip Stick . As Bill has advised 20 oz. is normal but once your crankcase has been drained add 10 oz and check level with dip stick and only fill to just under full . Better a little low than over filled which will be deposited within you air filter and cause carbon deposits and worse .

    Bookmark   October 14, 2013 at 10:48AM
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robar

My Lawn Boy 4 cycle with 6.5 hp has a dipstick, but for what ever reason, the oil level is just barely touching the bottom of the dipstick.....even after I added a good amount. I'll probably just drain it and refill to be safe.

    Bookmark   October 14, 2013 at 1:14PM
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ewalk

Lawnboy oh Hell where is Orange when you need him . Yeah drain and be safe rather than sorry Dude ! 6.5 is the large block model may require additional crankcase oil .

    Bookmark   October 14, 2013 at 8:44PM
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