Diagnostic Checks
Follow each Diagnostic Check in order given to systematically evaluate each component. The results of these checks will refer to proper Diagnostic Test to determine cause of operational problem. Equipment needed for checks and tests are a tachometer, a hand vacuum pump and a digital volt/ohmmeter with a minimum impedance of 10 meg-ohms per volt. Also, using air cleaner cover as a template, cut a piece of clear acrylic plastic (Minimum 1/4" thick) and secure with wing nut to air cleaner (after air cleaner cover has been removed). This allows observation of air bleed metering needles in carburetor.
NOTE:
After completing any repair, repeat Diagnostic Check to ensure the problem is solved.