1998-2004 Yamaha WaveRunner XL700 XL760 XL1200 Factory Service Manual, Page 9Get this manual
'''''''''''''''''''''''''''''''''''''''''''''' _''''''' _ IDENTIFICATION NUMBERS
PRIMARY 1.0NUMBER The primary 1.0number is stamped on label CD attached to the inside of the engine com partmentStarting primary 1.0number: GU2: 800101 -,600101(EUR) GU3: 800101 -,600101(EUR)
ENGINE SERIAL NUMBER The engine serial number is stamped on label attached to the crankcaseStarting serial number: 660: 000101 66F:000101 -