Yamaha YZ426F/LC Fahrer- Und Wartungs-Handbuch Seite 546

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IGNITION SYSTEM
EC622001
SPARK GAP TEST
1. Disconnect the spark plug cap from spark
plug.
2. Connect the dynamic spark tester 1
(ignition checker 2 ) as shown.
Spark plug cap 3
Spark plug 4
Å For USA and CDN
ı Except for USA and CDN
3. Kick the kick starter.
4. Check the ignition spark gap.
5. Start engine, and increase spark gap until
misfire occurs. (for USA and CDN only)
Minimum spark gap:
6.0 mm (0.24 in)
EC624000
COUPLERS AND LEADS CONNECTION
INSPECTION
1. Check:
Couplers and leads connection
Rust/dust/looseness/short-circuit →
Repair or replace.
EC625001
"ENGINE STOP" BUTTON INSPECTION
1. Inspect:
"ENGINE STOP" button conduct
Tester (+) lead → Black/White lead 1
Tester (–) lead → Black lead 2
PUSH IN
FREE
No continuity while being pushed → Replace.
Continuity while being freed → Replace.
6 - 4
–
ELEC
Tester selec-
B/W B
tor position
1 2
Ω × 1
+