CHAPTER 3B ENGINE 50cc/80cc
ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 70 -
3.11 IGNITION SYSTEM
3.11.1 INSTALLATION INFORMATION
OPERATING POINTS
●
Check ignition system in accordance with the troubleshooting procedure in section 3.11.2
●
As the ignition system has an electric automatic spark control in CDI unit, there is no need for spark
advance angle adjustment.
●
Poor contact may be the cause of many ignition system faulty cases. Check all terminal
connections to be sure they are clean and tight whenever troubleshooting an electrical problem.
●
Make sure spark plug heat range is correct. Using incorrect spark plug will result in improper
engine operation or spark plug damage.
●
Peak voltage is used as reference point in tests. Record coil resistance tests.
REFERENCE STANDARD
item Standard
value
Specific spark plug
(NGK)C7HSA
(LD)A7TC
spark plug gap
0.6-0.7mm
spark plug angle
Maximum advance in “F” position
13
°±
1
°
(1500r/min)
Primary coil
0.1-1.0
Ω
With cap
7-9k
Ω
Ignition coil resistance(20
℃
)
Secondary
Without cap
3-4k
Ω
Pickup coil resistance(20
℃
) 80-160
Ω
Primary Ignition coil peak voltage
Over 120V
Pickup coil peak voltage
Over 2.1V
3.11.2 TROUBLESHOOTING
High Tension Voltage Too Low
●
Crankshaft revolution too low or battery voltage too low
●
Ignition system wiring loose
●
Faulty Ignition coil
●
Faulty CDI unit
●
Faulty pickup coil
High Tension Voltage Intermittent
●
Faulty main switch
●
Poor CDI terminal connection
●
Poor CDI ground
●
Faulty pickup coil
●
Poor high tension lead terminal connection
●
Faulty CDI unit
High Tension Voltage Normal but No Spark
●
Faulty spark plug
●
Faulty spark plug cap
No High Tension Voltage
Содержание 2004 ATV 260
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Страница 58: ...CHAPTER 3A ENGINE 260 300 400 cc ATV SERVICE MANUAL09 0 CHAPTER 3 ENGINE PAGE 3A 19 3 3CYLINDER HEAD...
Страница 118: ...CHAPTER 3A ENGINE 260 300 400 cc ATV SERVICE MANUAL09 0 CHAPTER 3 ENGINE PAGE 3A 79 NOTES...
Страница 171: ...CHAPTER 3B ENGINE 50cc 80cc ATV SERVICE MANUAL09 0 CHAPTER 3B ENGINE PAGE 3B 53 3 8 Carburetor...
Страница 192: ...CHAPTER 3B ENGINE 50cc 80cc ATV SERVICE MANUAL09 0 CHAPTER 3B ENGINE PAGE 3B 74 NOTES...
Страница 228: ...CHAPTER 3C ENGINE 100 125 150 200 SERVICE MANUAL09 0 CHAPTER 3C ENGINE PAGE 3C 36 NOTES...
Страница 247: ...CHAPTER 4B CHASSIS ATV SERVICE MANUAL09 0 CHAPTER 4 CHASSIS PAGE 4B 11 NOTES...
Страница 279: ...CHAPTER 5 FINAL DRIVE ATV SERVICE MANUAL 09 0 CHAPTER 5 FINAL DRIVE 5 32 NOTES...
Страница 292: ...CHAPTER 6 TRANSMISSION ATV SERVICE MANUAL 09 0 CHAPTER 6 TRANSMISSION PAGE 6 13 2X4 TRANSMISSION EXPLODED VIEW...
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Страница 307: ...CHAPTER 7 BRAKES ATV SERVICE MANUAL 09 0 CHAPTER 7 BRAKES PAGE 7 13 NOTES...
Страница 315: ...CHAPTER 8 ELECTRICAL ATV SERVICE MANUAL 09 0 CHAPTER 8 ELECTRICAL PAGE 8 8 CIRCUIT DIAGRAM...
Страница 332: ...CHAPTER 8 ELECTRICAL ATV SERVICE MANUAL 09 0 CHAPTER 8 ELECTRICAL CTRICAL PAGE 8 25 8 7 LIGHTING SYSTEM FOR USA MODEL...
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Страница 339: ...CHAPTER 8 ELECTRICAL ATV SERVICE MANUAL 09 0 CHAPTER 8 ELECTRICAL CTRICAL PAGE 8 32 Switch schematic...
Страница 348: ...CHAPTER 8 ELECTRICAL ATV SERVICE MANUAL 09 0 CHAPTER 8 ELECTRICAL CTRICAL PAGE 8 41 Fig 2 Fig 3 Page from owner s manual...
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