Yamaha XT660R(S) Automobile User Manual


 
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ELEC
IGNITION SYSTEM
EAS00742
YES
NO
EAS00744
YES
NO
4. Ignition spark gap
Disconnect the spark plug cap
1
from the
spark plug.
Connect the ignition checker
2
as shown.
Set the main switch to ON.
Measure the ignition spark gap
a
.
Crank the engine by pushing the start
switch and gradually increase the spark
gap until a misfire occurs.
Minimum ignition spark gap
6.0 mm (0.24 in)
Is there a spark and is the spark gap within
specification?
The ignition system
is OK.
5. Spark plug cap resistance
Remove the spark plug cap from the spark
plug lead.
Connect the pocket tester (
×
1k) to the
spark plug cap as shown.
Measure the spark plug cap resistance.
Spark plug cap resistance
10.0 k
at 20 °C (68 °F)
Is the spark plug cap OK?
Replace the spark
plug cap.