2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 69Get this manual
i MAINTE NANCE
When che;king the Check the clea ra nce of each valve by inserti ng clearanceslide me feeler ga uge between th adjust ing screw an valve feeler gauge from stem
rile cemer rovvard
theOOlside,
VALVE CLEARANCES:IN: 0.15 0.006 inEX; 0.33 10.013 in)
Ad ju st by loo se ning he lo ck nut nd turning th adju stin screw ntil there is slight rag on the fe eler gaugeHold he adj ust in screw and ig ht en th lock nul