myroad700 Werkstatthandbuch : Seite 30

Microfiches
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          1. GENERAL INFORMATION                                                                 MYROAD 700i

POOR PERFORMANCE (AT HIGH SPEED)

   Inspection/Adjustment                        Symptom                    Probable Cause

    Connect the diagnostic
    tool, then check EMS and
    correct problems.


   Check ignition timing


                                                                           Faulty spark plug
                                 Correct timing       Incorrect timing     Faulty ignition coil
                                                                           Faulty CPS

   Check valve clearance

                                                                           Improperly adjusted valve
                               Correctly adjusted   Incorrectly adjusted   clearance
                                                                           Worn valve seat


    Check fuel pump for
    fuel supply

                                                                           Empty fuel tank
                                Fuel flows freely   Fuel flow restricted   Clogged fuel hose or filter
                                                                           Faulty fuel pump
                                                                           Clogged fuel injector
   Check throttle body or
   air cleaner for clogging

                                                                           Clean and unclog
                                  Not clogged              Clogged



   Check valve timing


                                     Correct               Incorrect       Cam timing gear aligning
                                                                           marks not aligned

    Check valve spring
    tension


                                 Not weakened             Weak spring      Faulty spring




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