people 250 s Workshop-manual : Page 27

          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




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