Changing tranny fluid sportster

This guide will show you how to change the oil in the transmission of the evolution motor of the harley-davidson sportster. Derby cover is removed to insure the primary isn’t overfilled. He said that some people say u r supposed to b able to use the motor oil, but not to, as it is bad for the bike. Make sure its says gear oil.

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You need to use a motorcycle gear oil. The transmission drain plug is located on the underside of the transmission on the left side of the bike, near the kickstand bumper. Your drain plug may be 5/8″ or 3/4″ depending on the year.