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PERIODIC MAINTENANCE AND TUNE-UP PROCEDURES
ENGINE OIL: API Classification SF – SG (SAE 10W – 40)
Frequency: Inspect engine oil before each period of operation. Replace monthly.
CHECKING THE ENGINE OIL
CHANGING THE ENGINE OIL
• Place unit on flat surface.
• Remove dipstick and wipe off with a clean cloth.
• Put dipstick in hole without screwing it in.
• Check oil level to see if it is between min and max indicators.
• Add oil as necessary to reach required level.
• Run unit for at least 5 minutes or until warm, shut off.
• Place suitable container for draining oil beneath engine.
• Container should be capable of holding at least 1 gallon.
• Remove the engine drain plug, oil filter cap, spring, and oil filter
screen. Drain the oil completely.
• Check condition of O-ring and filter screen for foreign material before installing.
• Install the drain plug and torque to 12 ft. / lbs.
• Fill with 25 to 31 oz. of API classification SF – SG (SAE 10W – 40) oil.
• Start engine and check for leaks.
• Shut off engine and check the oil level with dipstick, do NOT screw the dipstick in when making this
check. Add oil if necessary to reach safe amount.
For parts or service call 1-888-926-6554 • www.yerf-dog.com
