1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 27Get this manual
MAINTENANCE
CARBURETOR CHOKE
The choke system uses fuel enrichment circuit controlled by starter valveThe starter valve opens the enrichment circuit via cable when the choke lever on the handlebar is moved to the leftCheck for smooth choke lever operation and lubricate the choke cable if required
AIR CLEANER ELEMENT
Remove the seat by pulling the seat latch leverRemove the air cleaner cover by removing the wing boltRelease the retaining clips from the air cleaner case cover, and remove the cover
Loosen the air cleaner element band screwRemove the element holder attaching screw and remove the air cleaner element assembly from the caseRemove the element holder by turning it counterclockwise Remove the element band and separate the element from the element core