1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 17Get this manual
IDENTIFICATION
IDENTIFICATION
SERIAL NUMBER
The of the outboard motor's serial number is stamped on label which is attached to the port side of the clamp bracketNOTE: For USA model: As an antitheft measure, special label on which the outboard motor's serial number is stamped is bonded to the port side of the ._ clamp bracketThe label is specially treated so that peeling it off causes cracks across the serial numberModel name Approved model code Transom height Serial number
STARTING SERIAL NUMBERS