1. GENERAL INFORMATION                                                               K-XCT 125i

                                                              Possible cause

9. Check oil level and condition            Incorrect         Oil level too high
                                                              Oil level too low
                                                              Contaminated oil
   Correct


10. Remove cylinder head cover         Valve train not        Clogged oil
    and inspect lubrication            lubricated properly    Clogged oil control orifice


    Valve train lubricated properly


11. Check for engine overheating        Overheating           Fan motor not working
                                                              Excessive carbon build-up in
                                                             combustion chamber
                                                              Use of poor quality fuel
    Not overheating                                           Wrong type of fuel
                                                              Drive and driven pulleys/clutch
                                                             slipping

12. Accelerate or run at high          Engine knocks          Worn piston and cylinder
    speed                                                     Worn type of fuel
                                                              Excessive carbon build-up in
                                                             combustion chamber
                                                              Ignition timing to advanced
                                                             (faulty ECU)
   Engine does not knock               Lean fuel mixture




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