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1. GENERAL INFORMATION Pulsar CK 125
POOR PERFORMANCE (ESPECIALLY AT IDLE AND LOW SPEEDS)
Inspection/Adjustment Symptom Probable Cause
Check ignition timing
Faulty CDI unit
Correct Incorrect
Faulty pulser coil
Check carburetor air
screw adjustment
Mixture too lean (turn screw in)
Correctly adjusted Incorrectly adjusted Mixture too rich (turn screw
out)
Check carburetor gasket
for air leaks
Faulty intake manifold gasket
Carburetor not securely
No air leak Air leaks tightened
Damaged insulator rubber
Broken vacuum tube
Remove spark plug and
install it into spark plug
cap to test spark by
making it contact the
engine
Faulty or fouled spark plug
Weak or inter- Faulty CDI unit
Good spark mittent spark Faulty A.C. generator
Faulty ignition coil
Faulty ignition switch
Check A.C. generator
Faulty A.C. generator
Good Faulty Damaged vacuum tube
Clogged air vent hole
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