Running in oil, Millers for instance but there is plenty of choice. Millers Oils Classic Running In Oil 30
What oil to use when breaking in a new engine
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Don't forget to remove the plugs and spin the motor on the starter until the oil light goes out. I hope you at least oiled all the bearings on assembly or better still used assembly lube 
🤣🤣🤣 yes I used assembly lube and spun the motor over with plugs removed to make sure I had oil pressure 👍Don't forget to remove the plugs and spin the motor on the starter until the oil light goes out. I hope you at least oiled all the bearings on assembly or better still used assembly lube
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