OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Walk Behind Lawn Mower Frames Four Stroke Lawn Mower Frames 4-Stroke Engine Oil Change for Lawn Mowers

Can you please tell me procedure to change oil or is it total consumption system?

The procedure for all 4 cycle mower engines
would be basically the same, the variable
is the position of the drain plug, and the
amount of oil going back into the crankcase,
as a general rule the plug is on the bottom
of the crankcase. And most 3-6 hp engines
use 20-21 oz. of oil, larger types for riders
use up to 48 oz. Need further info, contact me again.

Bill

Great work Bill thank you. Can you please also give me a ball-park figure for actual hours between changes too? Thanks.

Manufacturer recommends 25 hours, but oil
is cheaper than machines, so more often would
be a good idea, at least once a season, and
oftener in dusty conditions