Service Manual

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Table of Contents
Two Barrel Carb./Fuel
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
TWO BARREL CARBURETOR AND FUEL SYSTEM
Table of Contents
Fuel System..........................................................................................................................
Introduction.....................................................................................................................
Operation.........................................................................................................................
Components....................................................................................................................
Fuel Pump Test...............................................................................................................
Two-Barrel Carburetor Exploded View...............................................................................
Two-Barrel Carburetor.........................................................................................................
Introduction.....................................................................................................................
Operation.........................................................................................................................
Items to Check Prior to Carburetor Analysis...............................................................
Troubleshooting.............................................................................................................
Disassembly.........................................................................................................................
Solenoid..........................................................................................................................
Float Bowl and Gaskets.................................................................................................
Float and Needle.............................................................................................................
Main Jets and Nozzles...................................................................................................
Pilot Jets..........................................................................................................................
Throttle Shaft..................................................................................................................
Choke Shaft.....................................................................................................................
Cleaning and Inspection......................................................................................................
Assembly..............................................................................................................................
Choke Shaft....................................................................................................................
Throttle Shaft..................................................................................................................
Pilot Jets..........................................................................................................................
Main Nozzles and Jets...................................................................................................
Needle and Float.............................................................................................................
Float Bowl and Gaskets.................................................................................................
Solenoid..........................................................................................................................
Adjusting Idle Speed...........................................................................................................
Carburetor Testing...............................................................................................................
Pop Off Test.....................................................................................................................
Fuel Solenoid Test..........................................................................................................
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3-15
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