1. GENERAL INFORMATION PEOPLE/PEOPLE S 250 POOR PERFORMANCE (ESPECIALLY AT IDLE AND LOW SPEEDS) Inspection/Adjustment Symptom Probable Cause Check ignition timing Faulty ignition unit Correct timing Incorrect timing Faulty A.C. generator Check carburetor pilot screw adjustment Mixture too rich (turn screw Correctly adjusted Incorrectly adjusted out) Mixture too lean (turn screw in) Check carburetor gasket for air leaks Damaged insulator rubber Carburetor not securely No air leak Air leaks tightened Faulty intake manifold gasket Remove spark plug and Deformed carburetor O-ring install it into spark plug cap to test spark by connecting it to engine ground Faulty or fouled spark plug Weak or inter- Faulty ignition unit mittent spark Faulty A.C. generator Good spark Faulty ignition coil Broken or shorted high tension wire Faulty ignition switch Check carburetor air cut-off valve Damaged air cut-off valve Good Faulty diaphragm Damaged air cut-off valve spring 1-24