2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 92Get this manual
FUEL SYSTEM Start Ihe engine and adjust Ihe engine idle 5pelJd
to the specified rpm with the throttle stop control knob
IDLE SPEED: 1,400 :t 100 rpm
5Turn the pilot screw in or out slowly to obtain the highest engine speed6Readjust the idle speed with the throttle stop con trol knob
7lightly open the throttletimes, then adjust
the idle speed with the throttle stop control knob8Turn the pilol screw in gradually untillhe engine speed drops 100 rpm 9Tum the pilot screw coun terclockwise the num
ber of turns to Ihe specification givenFINAL OPENING: 214 turns out
lO.Readjust the idle speed with the throttle SlOp