1985 Honda Odyssey 350 FL350R Shop Manual, Page 199Get this manual
TROUBLESHOOTING
POOR PERFORMANCE AT HIGH SPEEDS
CHECK SYMPTOM PROBABLE CAUSE
1Check ignition timing
INCORRECT1) Faulty COl unit (2) Faulty pulse generator
2Disconnect fuel tube at carburetor FUEL FLOWS OUT FREELY
FUEL FLOW RESTRICTED-1( 1) Lack of fuel in tank (2) Clogged fuel line (3) Clogged fuel tank cap breather hole (4) Clogged fuel valve (5) Clogged crankcase tube or check valve (6) Faulty fuel pump CLOGGED- -(1) Damaged fuel strainer
3Remove carburetor and check for clogged jet