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16-1
IGNITION SYSTEM
16. IGNITION SYSTEM
SERVICE INFORMATION
GENERAL SAFETY
Follow the steps described in the troubleshooting flow chart when servicing the ignition system.
The CDI unit may be damage if dropped. Also, if the connector is disconnected when current is flowing, the excessive
voltage may damage the unit. Always turn off the ignition switch before servicing.
The CDI unit use an electrically controlled ignition timing system. No adjustments can be made to the ignition timing.
Use spark plug of the correct heat range. Using spark plug with an incorrect heat range can damage the engine.
Connect the same color cords. Pay particular attention to colors prior to removing wiring. Connect the same color
couplers.
A faulty ignition system is often related to poorly connected connectors. Check those connections before proceeding.
This manual gives explanations on inspections to receive peak voltage. As inspections for coil resistance values are also
included, it may be difficult to make a correct determination.
Conduct inspection on the main switch by referring to the wiring diagram continuity chart. ( chapter 19 )
SPECIFICATIONS
SERVICE INFORMATION
16-1
IGNITION DEVICES LOCATION
16-2
TROUBLE SHOOTING
16-3
CDI UNIT INSPECTION
16-4
PULSE GENERATOR INSPECTION
16-4
IGNITION COIL INSPECTION
16-5
ITEM
STANDARD VALUE
IGNITION COIL
RESISTANCE VALUE 20
SECONDARY COIL
PRIMARY COIL
0.1 ~ 0.5
6.5 ~ 9.8
2.7 ~ 3.5
50 ~ 200
P-Z9HC
0.6 ~ 0.7mm
WITH PLUG CAP
WITHOUT PLUG CAP
PULSE GENERATOR COIL RESISTANCE VALUE 20
SPARK PLUG
SPARK PLUG CLEARANCE
TOOLS
DIGITAL TESTER
PVA MULTI-TESTER
CDI TESTER
Summary of Contents for BESBI SC125 -
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Page 36: ...MEMO...
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Page 60: ...7 0 LH CRANKCASECOVER KICKSTARTER CONTINUOUSLYVARIABLE TRANSMISSION...
Page 77: ...MEMO...
Page 78: ...8 0 A C GENERATOR STARTER CLUTCH...
Page 87: ...MEMO...
Page 88: ...9 0 CYLINDER HEAD VALVES...
Page 104: ...10 0 CYLINDER PISTON...
Page 111: ...MEMO...
Page 112: ...11 0 TRANSMISSION CRANKSHAFT CRANK CASE...
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Page 185: ...20 WIRING DIAGRAM G Gr B G O Lb Lb I GNI TI ON SWI TCH G O COMBI MERER ASS Y...
Page 186: ...I GNI TI ON SWI T CH FUEL UNI T ENGI NE STOP SWI T CH PASS...
Page 187: ...SERVICEMANUAL 2007 09 PRINTED 2007 09 PUBLICATION...
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