2. GENERAL INFORMATION STRYKER 125/150
POOR PERFORMANCE (ESPECIALLY AT IDLE AND LOW SPEEDS)
Inspection/Adjustment Symptom Probable Cause
Check ignition timing
Faulty CDI unit
Correct Incorrect
Faulty A.C. generator
Check carburetor pilot
screw adjustment
Mixture too lean (turn screw in)
Correctly adjusted Incorrectly adjusted Mixture too rich (turn screw out)
Check carburetor
insulator rubber for air
leaks
Carburetor not securely
tightened
No air leak Air leaks Faulty intake manifold gasket
Deformed carburetor O-ring
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
Faulty CDI unit
Weak or inter- Faulty A.C. generator
Good spark Faulty ignition coil
mittent spark
Broken or shorted high tension
wire
Faulty ignition switch
Check A.C. generator
Faulty A.C. generator
Good Faulty Damaged vacuum tube
Clogged air vent hole
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