17
. IGNITION SYSTEM
17-2
Mongoose/KXR 250
SERVICE INFORMATION
GENERAL INSTRUCTIONS
•
Check the ignition system according to the sequence specified in the Troubleshooting.
•
The ignition system adopts ignition unit, change gear control and the ignition timing cannot be
adjusted.
•
If the timing is incorrect, inspect the ignition unit, A.C. generator, change gear control and
replace any faulty parts. Inspect the ignition unit with a ignition unit tester
•
Loose connector and poor wire connection are the main causes of faulty ignition system. Check
each connector before operation.
•
Use of spark plug with improper heat range is the main cause of poor engine performance.
•
The inspections in this section are focused on maximum voltage. The inspection of ignition coil
resistance is also described in this section.
•
Inspect the spark plug referring to chapter 3.
SPECIFICATIONS
Item
Standard
Spark plug
Standard type
DPR7EA-9
Spark plug gap
0.6
~
0.7mm
Ignition timing
“F” mark
Full advance
5º
±
1ºBTDC/2000RPM
Primary coil
3.4
~
4.1
Ω
Ignition coil resistance (20
℃
)
Secondary
without plug cap
14.45K
Ω
coil
with plug cap
19.8K
Ω
Pulser coil resistance (20
℃
)
105
~
110
Ω
Ignition coil primary side max. voltage
14V
Pulser coil max. voltage
1.6V
Exciter coil max. voltage
14V
TESTING INSTRUMENT
Commercially available electric tester with resistance over 10M
Ω
/CDV.
Содержание KXR 250
Страница 21: ...1 GENERAL INFORMATION 1 19 Mongoose KXR 250 WIRING DIAGRAM OFF ROAD...
Страница 22: ...1 GENERAL INFORMATION 1 20 Mongoose KXR 250 WIRING DIAGRAM ON ROAD...
Страница 30: ...2 FRAME COVERS EXHAUST MUFFLER 2 1 Mongoose KXR 250...
Страница 66: ...5 FUEL SYSTEM 5 1 Mongoose KXR 250...
Страница 85: ...6 ENGINE REMOVAL INSTALLATION 6 7 Mongoose KXR 250...
Страница 87: ...7 CYLINDER HEAD VALVES 7 1 Mongoose KXR 250...
Страница 100: ...8 CYLINDER PISTON 8 1 Mongoose KXR 250...
Страница 109: ...9 DRIVE AND DRIVEN PULLEYS 9 1 Mongoose KXR 250...
Страница 123: ...10 FINAL REDUCTION TRANSMISSION SYSTEM 10 1 Mongoose KXR 250...
Страница 136: ...11 CRANKCASE CRANKSHAFT BALANCE SHAFT 11 1 Mongoose KXR 250...
Страница 156: ...13 BRAKE SYSTEM 13 1 Mongoose KXR 250...
Страница 175: ...14 FRONT WHEEL FRONT SUSPENSION STEERING SYSTEM 14 1 Mongoose KXR 250...
Страница 194: ...15 REAR WHEEL AXLE SUSPENSION 15 1 Mongoose KXR 250...