what year is my suzuki dt65 if the serial number is 06502 908985

[bulldogborn]

im buying a suzuki outboard that is a dt65 with a serial number of 06502 908985, anyone know what year it is? i have tried and found out that its listed as a 1978 but guy says its a 1997? can you help

 

[99yam40]

1989
http://www.brownspoint.com/store/pc/suzuki/dt65.asp