If the wrong oil is used in a lawnmower, do not start it. Simply drain the oil as completely as possible and fill with the proper oil.
Yes 10w30 is a good oil for snowblower or lawnmower.
You must use the oil that the manufacturer recommends in the handbook.
NO, not in any lawnmower made in the last 40 years. Use SAE 30 or SAE 10W30 detergent oil.
yes yes
30 wt
Yes
Depending on the wrong oil used it could shorten the life expectancy of the engine. We need more details.
Automotive oil is identical to lawn mower oil. They are both internal combustion engines. I would however recommend you use 100% Synthetic oil in that air cooled lawnmower engine.
30 weight oil can use car oil or lawnmower oil same oil
5w30
Normally about 20 ounces.
No it is far too heave for an air cooled engine i recommend 10W 30 or just a regular 4 stroke lawnmower oil