Patent ID: 8424647

Claim:
A lubrication system for an outboard motor, the lubrication system comprising: an oil passage arranged to guide lubrication oil to a movable member of an engine; an oil pump arranged to pump the lubrication oil into the oil passage; an oil filter arranged to filter the lubrication oil to be guided to the movable member; an oil return passage arranged to guide lubrication oil from the movable member of the engine to an oil pan; a first oil return path connected to the oil passage downstream of the oil filter and upstream of the movable member of the engine, the first oil return path arranged to return the lubrication oil that is accumulated in a portion of the oil passage downstream of the oil filter to the oil pan; and a second oil return path arranged to return the lubrication oil that is accumulated in a portion of the oil passage upstream of the oil filter to the oil pan.