Changing The Oil on Your Small Engine. ... Then, locate the oil drain plug. On mowers, the plug is typically below the deck and may be obscured by a layer of grass and debris. On newer engines, they no longer have the drain plug underneath the engine.
Similarly one may ask, how do you remove a oil plug from a lawn mower?
Tilt the mower deck and position some newspaper and an oil pan or jug beneath the mower. Use a socket wrench to run the plug counterclockwise, allowing the old oil to drain. If the plug also serves as a fill cap, it may have two prongs so you can loosen it by hand or use a screwdriver or hex key for additional torque.
What happens if you don't change oil in lawn mower?
If you don't change oil in your lawn mower, the oil becomes very dirty and breaks down. The oil loses its cooling agents and detergents which can cause damage significant damage to your engine. People often don't think about putting money into their mowers until they don't start or encounter other engine problems.
For best lawnmower engine performance, you should change oil after the first 5 hours of use for a new mower, then at least once every spring or summer mowing season or every 50 hours of operation, which ever comes first.
Too much oil in your lawn mower may cause the engine to not run well and cause damaging results. Too much oil can cause your engine to overheat which can result in seal damage, blown gaskets or becoming hydrolocked.
Look at the bottom of the engine oil pan. Around the bottom of the pan, you should see a single bolt. That's your oil drain plug. (Some vehicle models use a similar round plug, which you can pull to drain the oil.)
The general range is between $100 and $350, but there are some vehicles that cost more. You can get an oil pan gasket replacement for between $40 and $150. The part is not the most expensive part of the repair, but the labor can be very intensive.