2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 74Get this manual
MAINTENANCE
CARBURETOR CHOKE
This model's choke system uses fuel enriching circuit controlled by starting enrichment (SE) valveThe SE valve opens the enriching circuit via cable when the choke knob is pulled upCheck for smooth choke knob operation and lubricate the choke cable if requiredCheck the choke cable for fraying, kinking or other damageCHOKE KNOB
AIR CLEANER
Remove the seat (page 2-4)If the vehicle is used in dusty areas, sand or snow, more frequent inspections are required