Break in oil for harley davidson

Below the correct procedure to break-in your engine

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1- Initial start up.

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Run engine approximately one minute at 1250-1750 rpm. DO NOT crack throttle or subject to any loads during this period as head gaskets are susceptible to failure at this time. During this time, check to see that oil pressure is normal, that oil is returning the oil tank, and that no leaks exist.

2.

Shut off engine and thoroughly check for any leaks or other problems.

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Let engine cool to the touch.

3.. After engine has cooled, start up again and allow the motor to build some heat. Engine should be run no longer than three to four minutes. When the cylinders become warm/ hot to the touch (approximately 150°) shut the motor down and let it cool to room temp.

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Follow the same cautions as for the initial start-up, and continue to watch for problems.

4. Repeat this procedure 3 or 4 times. Each successive time it should take slightly longer to warm up and you can increase the temp slightly each time (+10°).

You can be more liberal each time with the rpm, gently vary rpm continuously from idle up to 2500 rpm in

how to break in a rebuilt motorcycle engine

how to properly break in a motorcycle engine