KYMCO People Service Manual page 28

1. GENERAL INFORMATION
POOR PERFORMANCE (AT HIGH SPEED)
Inspection/Adjustment
Check ignition timing
Check valve clearance
Check fuel pump for
fuel supply
Check carburetor jets
for clogging
Check valve timing
Check valve spring
tension
1-25
Symptom
Correct timing
Incorrect timing
Correctly adjusted Incorrectly adjusted
Fuel flow restricted
Fuel flows freely
Not clogged
Correct
Not weakened
PEOPLE/PEOPLE S 250
Probable Cause
cFaulty ignition unit
dFaulty A.C. generator
cImproperly adjusted valve
clearance
dWorn valve seat
cEmpty fuel tank
dClogged fuel tube or filter
eFaulty fuel pump
fCracked fuel pump vacuum
tube
Clogged cClean and unclog
Incorrect
cCam timing gear aligning
marks not aligned
Weak spring
cFaulty spring