Yamaha XJR1300(L) 99 Service Manual page 294

EAS00743
4. Ignition spark gap
The following procedure applies to all of the
spark plugs.
S Disconnect the spark plug cap from the spark
plug.
S Connect the ignition checker
S
2 Spark plug cap
S Set the main switch to "ON".
S Measure the ignition spark gap
S Crank the engine by pushing the start switch
and gradually increase the spark gap until a
misfire occurs.
Min. ignition spark gap
6 mm
S Is there a spark and is the spark gap within
specification?
NO
EAS00745
5. Spark plug cap resistance
The following procedure applies to all of the
spark plug caps.
S Disconnect the spark plug cap from the spark
plug.
S Connect the pocket tester (Ω
spark plug cap as shown.
S Measure the spark plug cap resistance.
as shown.
1
a
.
YES
The ignition system is
OK.
1k) to the
IGNITION SYSTEM
Spark plug cap resistance
10 kΩ at 20_C
S Is the spark plug cap OK?
YES
EAS00747
6. Ignition coil resistance
The following procedure applies to all of the
ignition coils.
S Disconnect the ignition coil connectors from
the ignition coil terminals.
S Connect the pocket tester (Ω
tion coil as shown.
Tester positive probe ! red/black
Tester negative probe ! orange (gray)
S Measure the primary coil resistance.
Primary coil resistance
1.9 X 2.9 Ω at 20_C
S Connect the pocket tester (Ω
ignition coil as shown.
S Measure the secondary coil resistance.
Tester positive probe !
Tester negative probe !
7-10
ELEC
NO
Replace the spark
plug cap.
1) to the igni-
1k) to the
spark plug lead 1
spark plug lead
2