Derbi ATV DXR 200, Workshop Manual

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186
7-6. S
PARK
P
LUG HAS NO FUNCTION
7-6-1. Replace with a new spark plug and test again
A. Good spark
1). Faulty spark plug
B. Weak or no spark --- refer to 7-6-2.
7-6-2. Check spark plug cap and ignition coil wire for looseness
A. Loose
1). Loose spark plug cap
B. Not loose --- refer to 7-6-3.
7-6-3. Check the CDI unit wire coupler for looseness
A. Abnormal
1). Poorly connected coupler
Normal --- refer to 7-6-4.
7-6-4. Check for continuity and measure the resistance between the CDI unit wire coupler
terminals
A. Abnormal --- refer to 7-6-4.
B. Normal --- refer to 7-6-5.
Be Checked related parts;
A. Abnormal
1). Faulty ignition switch
2). Faulty exciter coil
3). Faulty pulse coil
4). Faulty ignition coil
B. Normal
1). Broken wire harness
2). Loose coupler connection
7-6-5. Check the CDI unit with a CDI tester
A. Abnormal
1). Faulty CDI unit
B. Normal --- refer to 7-6-5.
Check the ignition coil with a CDI tester
A. Abnormal
1). Faulty ignition coil