2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 67Get this manual
MAINTENANCE
AIR CLEANER HOUSING DRAIN HOSE
Rem ov th rain hose from the bottom he air cle ane ho using to em pty any depositsInst all he rain ho se secu rely NOTEIf the veh icle is used in very we or muddy condi tions, more freq uent inspections are requ ir ed
SPARK PLUG
Rem ov he seat (page 2-4) Disc on nect th spark plug cap and clean aro und the spa rk pl ug base wi co ressed air
Remove the spark plug
SPARK PLUG
This vetllce's spark pJugisequipped with an iridium type center electrode Do nor clean the electrodes