Derbi ATV DXR 200, Руководство по ремонту

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7-2-4. Remove the spark plug and install it into spark plug cap to test spark by connecting it to
the engine ground
A-. Weak or intermittent spark
1). Faulty or fouled spark plug
2). Faulty CDI unit
3)- Faulty A.C. generator
4). Faulty ignition coil
5)- Faulty ignition switch
B. Good Spark --- refer to 7-2-5.
7-2-5. Check A.C. generator
A. Faulty
1). Faulty A.C. generator
2). Damaged or cracked vacuum tube
3) . Clogged air vent hole
B. Good
7-3. P
OOR
P
ERFORMANCE
(
ENGINE LACKS POWER
)
7-3-1. Start the engine and accelerate lightly
A. Engine speed does not increase sufficiently
1). Clogged air cleaner
2;. Restricted fuel flow
3). Clogged fuel tank cap breather hole
4). Clogged exhaust muffler
5). Carburettor fuel level too low
6). Clogged carburettor high speed fuel passage
B. Engine speed increases --- refer to 7-3-2.
7-3-2. Check ignition timing with a timing light
A. Incorrect
1). Faulty CDI unit
2). Faulty pulse coil
B. Correct --- refer to 7-3-3.