8 - 9
–
+
ELEC
IGNITION SYSTEM
BAD
NOTE:
• Before troubleshooting, remove the following part(-s):
1) fuel tank
2) air filter case
3) bottom cowling
4) front cowling
5) rear cowling
• Troubleshoot with the following special tool(-s).
Replace the ECU.
Ignition checker
90890-06754
Pocket tester
90890-03112
MEASURING THE IGNITION SPARK GAP
The following procedure applies to all of
the spark plugs.
• Disconnect the ignition coil from the spark
plug.
• Connect the ignition checker
1
as shown.
2
Ignition coil
• 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.
• Is there a spark and is the spark gap
within specification?
Yes
→
Good.
No
→
Measure the ignition coil resistance.
Minimum ignition spark gap
6 mm (0.24 in)
Содержание YZF-R7
Страница 1: ...5FL 28199 E0 YZF R7 OWNER S SERVICE MANUAL ...
Страница 8: ......
Страница 58: ...2 20 SPEC Crankcase tightening sequence TIGHTENING TORQUES ...
Страница 72: ...3 3 CHK ADJ ...
Страница 127: ...3 58 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a variable voltage charger ...
Страница 128: ...3 59 CHK ADJ CHECKING AND CHARGING THE BATTERY Charging method using a constant voltage charger ...
Страница 363: ...8 27 ELEC ...
Страница 380: ......
Страница 381: ...PRINTED IN JAPAN 98 12 0 5 1 CR PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...