What Fuel Does A 4 Stroke Lawn Mower Use

2 stroke cycle spark ignited engines.

What fuel does a 4 stroke lawn mower use.

Stale fuel can cause engine damage from acid and gum deposits forming in the fuel system or carburetor. The use of synthetic oil does not alter required oil change intervals. Lawnmower makers for many years offered a choice between two stroke and four stroke engine types. But in recent years the four stroke engine has come to dominate mower sales.

However most large yard machines use a four cycle engine designed to work for prolonged periods. Lawnmowers and other lawn equipment such as tillers have similar motors. E10 fuels are approved for usage in lawn mowers and outdoor power handhelds like chainsaws trimmers and leaf blowers. Is it ok to run a lawn mower on premium gas.

Do not modify the engine to use alternate fuels as this can also damage the engine s components. This will damage the engine components and void the engine warranty. While e10 fuels are approved for small engine equipment usage it is not recommended especially in handheld. Premium gas such as 93 octane helps high powered cars run smoothly and efficiently.

4 stroke cycle spark ignited engines. Keep lawn mower gas fresh by using briggs stratton fuel stabilizer specially designed for small engines. Do not mix oil in gasoline or modify engine to run on alternate fuels. Do not use special additives.

Damage to the carburetor or engine due to bad fuel will void the engine warranty. Synthetic oils are an acceptable oil at all temperatures. Gas with higher concentrations of ethanol is not. You can use gas with ethanol but more than 10 percent ethanol is typically not recommended.

Consider the following guidelines when using a four stroke engine. When choosing lawn mower oil use a high quality detergent oil classified as for service sf sg sh sj or higher. For continuous use such as commercial lawn cutting or pressure washing. It s also more expensive than other types of gas such as 87 octane.

If you do not intend to use your mower for 3 to 4 weeks start the engine with the fuel valve off and allow it to run until the engine runs out of gas. Always refer to your owner s manual for the correct fuel to use. Always mix a high quality 2 cycle oil such as briggs stratton lawn mower oil at a 50 1 gas to oil ratio. Change fuel brands or providers if engine problems occur.