agility 50 rs naked 2t Workshop-manual : Page 23

          1. GENERAL INFORMATION                                                 AGILITY RS 50 NAKED

 ENGINE STOPS IMMEDIATELY AFTER IT STARTS

 Inspection/Adjustment                   Symptom                        Probable Cause

 Check if fuel reaches
 carburetor by
 loosening drain
 screw.
                                                                        Empty fuel tank
                              Fuel reaches       Fuel does not          Clogged float valve
                              carburetor         reach carburetor       Clogged charcoal canister
                                                                        Clogged fuel filter
                                                                        Faulty auto fuel valve
 Remove spark plug
 and install it into
 spark plug cap to test
 spark by connecting it
 to engine ground.
                           Plug not fouled or     Plug fouled or        Fouled spark plug
                           discolored             discolored            Incorrect heat range plug
 Remove spark plug
 and install it into
 spark plug cap to test
 spark by connecting it                                                 Fouled spark plug
 to engine ground.                                                      Faulty CDI unit
                                                   Weak or inter-       Faulty A.C. generator
                              Good spark           mittent spark        Faulty ignition coil
                                                                        Broken or shorted high
                                                                        tension wire
 Test cylinder                                                          Faulty ignition switch
 compression (using a
 compression gauge).
                                                                        Worn cylinder and piston
                                                                        rings
                              Normal                Abnormal            Blown cylinder head gasket
                              compression           compression         Flaws in cylinder head
                                                                        Faulty reed valve
                                                                        Seized piston
 Check carburetor for
 clogging.


                             Not Clogged             Clogged            Clogged carburetor jets


 Check ignition timing.

                                                                        Faulty CDI unit or A.C.
                             Correct timing       Incorrect timing      generator
                                                                        A.C.G. flywheel not aligned

 Check carburetor air
 screw adjustment.

                                                                        Mixture too rich (turn screw
                          Correctly adjusted    Incorrectly adjusted    out)
                                                                        Mixture too lean (turn
                                                                        screw in)




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