1999-2004 Honda TRX400EX FourTrax Service Manual, Page 106Get this manual
CYLINDER HEADVALVE CYLINDER HEAD COVER ASSEMBLY SUB-ROCKER ARM "A" COPPER WAVE WASHER EXHAUST SUB-ROCKER ARM SHAFTS
L, EX, ROCKER ARM
RINROCKER ARM
R,EXROCKER ARM AR I
COPPER WASHERS WAVE WASHER ROCKER ARM "IN"