First generation; colours white, red or black
SWD: Single front disc, head light cowl
SW2D: Single front disc, full fairing
FWDD: Twin front disc's, bikini fairing
Second generation; colours white, red or black, often called the 'rainbow' colours.
SWDF: Single front disc, bikini fairing
SW2F: Single front disc, full fairing
FWDF: Twin front disc's, bikini fairing
Third generation; colours 'Rothmans' blue or red
Codes TBC