SECTION 16 — S27 FE 350 FUEL SYSTEM
16
DANGER
• See General Warning on page 10-1.
WARNING
• See General Warning on page 10-1.
GENERAL INFORMATION
The engine is equipped with a float bowl type carburetor with fixed jets that require no adjustment. The carburetor
atomizes the fuel, mixes it with air, and feeds the combustible mixture into the cylinder.
CARBURETOR
See General Warning on page 10-1.
Before suspecting the carburetor as the cause of poor engine performance, make sure the fuel and ignition systems
are in proper operating condition. Check the following items:
• Spark plug and gap condition.
• Air filter element.
See Air Filter Replacement on page 16-17.
• Fuel filter.
See Fuel Filters on page 16-18.
• Choke and air intake system (for restriction of air flow).
See Choke and Air Intake System on page 16-12.
• Fuel pump.
• Fuel lines (from fuel tank to filter to pump to carburetor).
• Exhaust system (for restrictions).
See Exhaust System on page 17-1.
If the carburetor floods or leaks fuel at the float bowl gasket or carburetor vent tube, the fuel inlet valve could be worn
or dirty. Another cause of this condition may be a damaged float that has filled with fuel and sinks.
For elevations above 3200 feet, main jets other than standard operate more effectively. The following chart lists the
elevation ratings for various jet sizes. No adjustment is required for the pilot jet. If the vehicle idles roughly, turn
the pilot air screw out until the vehicle idles smoothly.
2009 FE 350 Maintenance and Service Supplement
Page 16-1
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