1985 Honda Odyssey 350 FL350R Shop Manual, Page 41Get this manual
FUEL SYSTEM
CARBURETOR CHOKE
The choke system uses fuel enrichment circuit controlled by choke valveOperation is via cable and knob located on the steering column
Loosen the choke valve nut and remove the valve from the carburetor
Move the choke knob all the way up and down and measure the choke valve stroke