1/2 pint marine 2cycle oil to 1gal gas.I think it spits water out of a hole at about transom level on the down tube.Not a lot just fine spray.They run pretty hot.Use grease shown in little gear case,screws are shown in pics.Big one where grease goes in,little one vent.Other pic shows primer pump/high speed needle other pic shows low speed on other side of motor kind of tucked away underneath.They are a fun little motor.
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