Model 270-SU Engine Parts

Use SAE 5W-30 engine oil for cold-weather operation.
Change the oil every 50 hours of operation or once per season, whichever comes first.

Engine Oil Capacities:
Small Engines (123cc–243cc): 17-20 fl oz (0.6 L)
Large Engines (277cc–420cc): 37 fl oz (1.1 L)

Note: Oil capacities varies by engine model. Always read your owner's manual, check the dipstick, and avoid overfilling.