Section 3 Assembly and Adjustment of Clutch and its Operating Mechanism ...................................155Section 4 Common Faults and Troubleshooting of Clutch .....................................................................158Chapter 12 Common Faults and Troubleshooting of Engine ........................160Section 1 Overview .....................................................................................................................................160Section 2 Determination and Elimination of Common Faults in Engine ................................................160Section 3 Determination and Elimination of Abnormal Noises in the Engine ........................................171Chapter 13 Power source .........................................................................................................173Section 1 Structure of Clutch and Its Operating Mechanism .................................................................173Section 2 Battery ..........................................................................................................................................175Section 3 Normal Malfunction of Charging System and Troubleshooting ............................................176Chapter 14 Starter ..........................................................................................................................177Section 1 Structure of Starter ......................................................................................................................177Section 2 Working Principle of Starter ........................................................................................................178Section 3 Attentions in Use of Starter .........................................................................................................178Section 4 Troubleshooting of Starter ..........................................................................................................179Chapter 15 Engine Management System ....................................................................180Section 1 System Profile ..............................................................................................................................180Section 2 System Composition and Working Principle ............................................................................181Chapter 16 Engine Electronic Control System ..........................................................184Section 1 General Structure of Engine Electronic Control System .........................................................184Section 2 Structural Principle of the Components of the Engine Electronic Control System ..............184