7-3
IGNITION SYSTEM
IGNITION SYSTEM
INSPECTION STEPS
Use the following steps for checking the possibility of the malfunctioning engine being attributable to ignition system failure
and for checking the spark plug which will not spark.
*1 marked: Refer to "CHECKING THE FUSE" section in the CHAPTER 3.
*2 marked: Refer to "CHECKING AND CHARGING THE BATTERY" section in the CHAPTER 3.
*3 marked: Only when the ignition checker is used.
• Remove the following parts before inspection.
1. Seat
2. Fuel tank
• Use the following special tools in this inspection.
*1 Check fuse.
No good
→
Replace fuse and check wire harness.
OK
↓
*2 Check battery.
No good
→
Recharge or replace.
OK
↓
Spark gap test
Spark
→
*3 Clean or replace spark plug.
No spark
↓
Check entire ignition system for connection.
(couplers, leads and ignition coil)
No good
→
Repair or replace.
OK
↓
Check engine stop switch.
No good
→
Replace.
OK
↓
Check main switch.
No good
→
Replace.
OK
↓
Check ignition coil. (primary coil and secondary
coil)
No good
→
Replace.
OK
↓
Check AC magneto. (pickup coil)
No good
→
Replace.
OK
↓
Check neutral switch.
No good
→
Repair or replace.
OK
↓
Replace CDI unit.
Dynamic spark tester:
YM-34487
Ignition checker:
90890-06754
Pocket tester:
YU-3112-C/90890-03112
Summary of Contents for 2011 WR450FA
Page 4: ......
Page 12: ...1 2 LOCATION OF IMPORTANT LABELS EUROPE ...
Page 13: ...1 3 LOCATION OF IMPORTANT LABELS AUS NZ ZA ...
Page 49: ...2 18 TIGHTENING TORQUES ...
Page 51: ...2 20 LUBRICATION DIAGRAMS 1 Intake camshaft 2 Exhaust camshaft A To main axle B From oil pump ...
Page 90: ...3 31 ELECTRICAL Charging method using a variable voltage charger ...
Page 91: ...3 32 ELECTRICAL Charging method using a constant voltage charger ...
Page 125: ...5 22 CYLINDER HEAD 3 Install Bolt cylinder head 1 Bolt cylinder head 10 Nm 1 0 m kg 7 2 ft lb ...
Page 144: ...5 41 OIL PUMP 15 Oil pump drive shaft 1 16 Rotor housing 1 Order Part name Q ty Remarks ...
