What Fuel Does A 4 Stroke Lawn Mower Use

The small amount of gasoline in your lawn mower s carburetor will deteriorate faster than the fuel in the fuel tank due to its small volume and proximity to residual engine heat.

What fuel does a 4 stroke lawn mower use.

The use of synthetic oil does not alter required oil change intervals. Premium gas such as 93 octane helps high powered cars run smoothly and efficiently. Lawnmowers and other lawn equipment such as tillers have similar motors. Do not use special additives.

2 stroke cycle spark ignited engines. Most four stroke engines require fresh unleaded gasoline with an octane rating of 87 or higher. When choosing lawn mower oil use a high quality detergent oil classified as for service sf sg sh sj or higher. Always mix a high quality 2 cycle oil such as briggs stratton lawn mower oil at a 50 1 gas to oil ratio.

4 stroke cycle spark ignited engines. Damage to the carburetor or engine due to bad fuel will void the engine warranty. 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. Do not mix oil in gasoline or modify engine to run on alternate fuels.

You can use gas with ethanol but more than 10 percent ethanol is typically not recommended. Lawnmower makers for many years offered a choice between two stroke and four stroke engine types. It s also more expensive than other types of gas such as 87 octane. Keep lawn mower gas fresh by using briggs stratton fuel stabilizer specially designed for small engines.

E10 fuels are approved for usage in lawn mowers and outdoor power handhelds like chainsaws trimmers and leaf blowers. Do not mix oil with the gasoline for a four stroke engine as this can damage the engine s components. Gas with higher concentrations of ethanol is not. Do not modify the engine to use alternate fuels as this can also damage the engine s components.

For continuous use such as commercial lawn cutting or pressure washing. Synthetic oils are an acceptable oil at all temperatures. Change fuel brands or providers if engine problems occur. Consider the following guidelines when using a four stroke engine.

While e10 fuels are approved for small engine equipment usage it is not recommended especially in handheld. Always refer to your owner s manual for the correct fuel to use. But in recent years the four stroke engine has come to dominate mower sales. This will damage the engine components and void the engine warranty.