Based on Frantik's detective work, your bike is an 87. Nice bike.

http://www.bikeforums.net/showthread...1#post13211833

1985
Silver / navy blue
Red / Silver

1986
Red/white
Grey/white

1987
Yellow/white (master)
Pink/yellow ("Miami Vice") (expert)
Peach/white (expert)

1988
Yellow/white fade
Red/white fade
Seafoam green/white fade (expert)
Purple smoke fade ("Purple Haze") (master)

1989
Grey marble fade (master)
Black (expert)