Yamaha RD250 Ergänzung Zur Wartungsanleitung Seite 25

6-1. IGNITION SYSTEM
A. Troubleshooting
No spark is produced or weak.
Check of connections
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Spark test
No spark
Charge coil test
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Pulser coil test
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Ignition coil test
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C.D.I. unit
Check lead wire connections or
short circuits.
(Refer to WIRING DIAGRAM)
See 6-1-C "Spark gap test"
Spark —.>Plug is faulty.
Measure coil resistance.
(See 6-1-F " Pulser and charging
coil test")
Faulty —>Replace.
Measure coil resistance.
(See 6-1-F ''Pulser and charging
coil test"
Ignition coil tester
(See 6-1-D "Ignition coil")
See 6-1-G "C.D.I.unit"
The engine starts but will not pick up speed.
Spark plug
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Charge coil test
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Ignition timing check ...
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Ignition system is good
C.D.I. unit .
Clean or replace
(See 6-1-E "Spark plug")
Make continuity test.
(See 6-1-F "Pulser and charging
coil test")
... (See 6-1-B "Ignition timing")
. (See 6-1-G "C.D.I. unit")
Faulty