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Changing your small engine's oil at least once per season is vital to your engine's health. Briggs & Stratton recommends an oil change as part of your pre-season maintenance activities in the early spring. Clean oil will help your engine to run cooler, maximizing engine protection and performance.
Watch this video to see how quickly a routine lawn mower oil change can be completed. Before performing any engine maintenance or service, remember to first disconnect the spark plug wire. Always consult your operator's manual for detailed instructions or part information if you are unsure. In 3 minutes or less, you can ensure you are getting the most out of your small engine. For detailed guides on performing a small engine oil change, please view the links below:
Since there are many components to checking and changing lawn mower oil, we break down: How to Check the Oil Level WARNING: Always read the engine and equipment manual(s) before starting, operating, or servicing your engine or equipment to avoid personal injury or property damage. See an authorized dealer or contact Briggs & Stratton if you are unsure of any procedure or have additional questions. Find all Engine Safety Warnings When you pour fresh oil into the crankcase, it's a golden or amber color. Gradually, the heat, dirt particles and agitated air in the crankcase cause the oil to darken. Dark oil is not only dirty; it has also lost much of its ability to coat and protect engine components. When to Change the Oil in Your Small Engine
The new EXi mower engine doesn’t require oil changes, so you only need to check and add oil. How to Check Oil LevelMake it a habit to check the oil level and appearance each time you're about to start a small engine. Checking the oil while the engine is cold and most of the oil is in the crankcase yields the most accurate reading. For oil checking procedures on lawnmower applications, please watch our "Checking Engine Oil - Lawnmower Engine" video:
The oil mark on the dipstick should be between the lines shown on the dipstick. It should never be above the FULL line or below the ADD line. Changing The Oil on Your Small EngineAfter checking the oil level and reading through the Oil Type & Capacity FAQ it’s time to run the engine for several minutes. Draining the oil while it's warm will carry off many floating particles that would otherwise settle in the engine. For oil changing procedures on lawnmower applications, please watch our "Changing the Engine Oil - Lawnmower Engine" video:
How to Locate the Oil Drain on Your Lawn Mower or Small EngineRather than tipping your mower to change the oil, you may utilize the Oil Drain which is very effective, but can be difficult to locate on the underside of your mower. Typically, however, on vertical shaft engines, the oil drain plug is located beneath the engine block near the crankshaft. To remove the square plug, all that is required is a standard size 3/8" ratchet and extension (no socket). On horizontal shaft engines it would be located below the centerline of the crankshaft, on the base of the engine block. Typically an adjustable wrench would remove the square plug. PLEASE NOTE: Vertical shaft engines, Series 300 to 550, may not feature a bottom oil drain as shown above. If this is the case, oil must be poured out of the oil fill tube as outlined in your engine Operator's Manual. What kind of oil does a Briggs and Stratton 625 Series take?Use Briggs & Stratton SAE 30W Oil above 40°F (4°C) for all of our engines. Check oil level regularly. Air-cooled engines burn about an ounce of oil per cylinder, per hour. Fill to mark on dipstick.
How much oil does a Briggs and Stratton 625 Series take?Oil capacity is typically 15oz or 18oz*. Change engine oil every 50 hours or annually, which ever comes first.
How do you drain the oil on a Briggs and Stratton engine?Either use a Briggs & Stratton oil removal kit to remove the oil or do it manually. 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.
How many quarts of oil does a HP Briggs and Stratton?When operating your 12.5 HP engine at temperatures above 40 degrees Fahrenheit, Briggs & Stratton calls for 48 fluid ounces (1.5 quarts) of SAE 30 weight detergent motor oil approved for four-cycle engine service levels SF-SJ or higher.
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