1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 405Get this manual
TECHNICAL FEATURES
TRANSMISSION
l'he shift control motor rotates the dutch lever, master arm and shift drum via the reduction gear and sub gears.htft
spindle It activates he cl utcnand shift changes
The shape and number of the transmission gear dogs have beao changed for faste'r gea sh ifting iby .s ift control motor in place of the conventional foot-oper'a ted sh ift mechanism