ELECTRICAL SYSTEM
PROBABLE CAUSE
• Spark plug
• Improper plug gap
• Worn electrodes
• Wire between terminals broken
• Improper heat range
• Faulty spark plug cap
• Ignition coil
• Broken or shorted primary/secondary
• Faulty spark plug lead
• Broken body
• C.D.I. Unit system
• Faulty C.D.I. unit
• Faulty source coil
• Faulty pick-up coil
• Broken woodruff key
• Switches and wiring
• Faulty main switch
• Faulty engine stop switch
• Broken or shorted wiring
• Faulty neutral switch
• Faulty sidestand switch
• Faulty ignition control unit
COMPRESSION SYSTEM
PROBABLE CAUSE
• Cylinder and cylinder head
• Loose spark plug
• Loose cylinder head or cylinder
• Broken cylinder head gasket
• Broken cylinder gasket
• Worn, damaged or seized cylinder
• Piston and piston rings
• Improperly installed piston ring
• Worn, fatigued or broken piston ring
• Seized piston ring
• Seized or damaged piston
• Crankcase and crankshaft
• Improperly seated crankcase
• Improperly sealed crankcase
(Damaged oil seal)
• Seized crankshaft
• Reed valve
• Deformed reed valve stopper
• Improperly seated reed valve
• Loose intake manifold
• Broken gasket
• Broken reed valve
9-2
TRBL
SHTG
TROUBLESHOOTING
Summary of Contents for DT125RE 2005
Page 1: ...SERVICE MANUAL DT125RE1D01 AE1 DT125X 2005 ...
Page 7: ...GEN INFO ...
Page 8: ...1 ...
Page 16: ......
Page 17: ...SPEC ...
Page 18: ...2 ...
Page 39: ...CHK ADJ ...
Page 40: ...3 ...
Page 86: ...CHAS ...
Page 87: ...4 ...
Page 160: ...ENG ...
Page 161: ...5 ...
Page 223: ...COOL ...
Page 224: ...6 ...
Page 239: ...CARB ...
Page 240: ...7 ...
Page 255: ...ELEC ...
Page 256: ...8 ...
Page 263: ...ELEC IGNITION SYSTEM 8 6 IGNITION SYSTEM The circuit diagram showns the ignition system ...
Page 270: ......
Page 282: ......
Page 307: ...TRBL SHTG ...
Page 308: ...9 ...
Page 319: ...DT125 WIRING DIAGRAM ...