Changing the Air Filter in Your Briggs & Stratton Engine

Briggs & Stratton engines employ i of three types of air filters: newspaper, foam, or dual chemical element. An air filter plus a filter cartridge and pre-cleaner will ensure that your small engine runs smoothly this season and the next. Briggs & Stratton also offers special high operation air filters designed to extend the life of your outdoor power equipment.
These filters last twice as long as our regular filters and allows your engine to perform at the highest possible level. Our air filters have superior filtration media, extended service intervals, and superior sealing materials.

Learn how the different types of air filters protect your machine and how to change them periodically.

About Paper Air Filters

How to Change a Lawn Mower Air Filter by Briggs & Stratton

A paper air filter element works by causing any air that is intended to enter the combustion chamber of the engine to pass through a filtering device fabricated with microscopic holes in it. The paper chemical element traps the clay particles on the outside of the chemical element. A Briggs & Stratton genuine paper air filter element will provide 1.5 times the life of imitation filters.

Paper Air Filter Engine Diagram by Briggs & Stratton

How to Change a Paper Air Filter

1. Loosen cover spiral.
2. Tilt cover downward.
3. Carefully remove and discard paper cartridge.
4. Install new cartridge with paper pleat out.
5. Shut cover.
6. Tighten screw securely.

About Foam Air Filters

Foam Air Filter for Small Engine by Briggs & Stratton

The "foam only" mode air filter system works by trapping clay and droppings through the employ of motor oil spread throughout the oil foam holding medium. A dry or not-oiled oil cream filter volition trap merely the largest particles. If the air filter chemical element is foam merely, it MUST be oiled and serviced regularly. Your foam filter requires replacement every three months or after 25 hours of use, whichever occurs beginning, more ofttimes under dusty weather condition.

Foam Air Filter Engine Diagram by Briggs & Stratton

How to Alter a Foam Air Filter

1. Remove air filter screw.
2. Advisedly remove air filter associates and discard foam.
iii. Clean all metallic assembly parts.
4. Saturate new foam filter with fresh engine oil.
v. Wrap foam in clean material and squeeze to remove excess oil.
half dozen. Assemble cream filter so lip extends over edge of body.
seven. Reinstall assembly carbureto

About Dual Element Air Filters

Dual Element Air Filter for Small Engine by Briggs & Stratton

Combination air filters provide the highest caste of air filtering in the industry. The foam portion is used as a pre-cleaner for the paper element. Pre-cleaning the air increases the life of the more expensive paper element. Air passes through 2 types of filtering mediums providing clean air for the engine.

A Briggs & Stratton genuine dual air filter element will help extend the life of your engine. If y'all accept a combination air filter with pre-cleaner, replace pre-cleaner every 25 hours or every flavour, and replace cartridge every 100 hours. If you do non take a pre-cleaner replace cartridge every 25 hours or every season, more frequently nether dusty conditions.

Dual Element Air Filter Engine Diagram by Briggs & Stratton

How to Change a Dual Element Air Filter

1. Remove knob(s) and cover.
ii. Carefully remove cream pre-cleaner, when so equipped.
3. Reinstall cartridge, nut(s), pre-cleaner and comprehend. Retighten knob(s) securely.
4. Supersede if very dirty, damaged, or doesn't fit properly.
If y'all need to replace the air filter in your small engine, you will need to locate the function number by finding your engine model number, and once you have that you lot can notice your small engine transmission. Your local authorized Briggs & Stratton dealer tin can also answer any questions you may take about modest engine repair and maintenance.

Still Have Questions?

Scout this easy guide to change your air filter.