KYMCO DINK 200i Service Manual page 37

1. GENERAL INFORMATION
POOR PERFORMANCE (AT HIGH SPEED)
Inspection/Adjustment
Connect the diagnostic tool, then check
DTC and correct problems.
Check ignition timing
Check valve clearance
Check fuel pump for
fuel supply
Check throttle body
for clogging
Check valve spring
tension
Symptom
Correct timing
Correctly adjusted
Fuel flows freely
Not clogged
Not weakened
Incorrect timing
Incorrectly adjusted
Fuel flow restricted
Clogged
Weak spring
DINK 200i/125
Probable Cause
c Improperly installed camshaft
d Faulty A.C. generator
c Improperly adjusted valve
clearance
d Worn valve seat
c Empty fuel tank
d Clogged fuel hose or filter
e Faulty fuel pump
f Clogged fuel tank breather
hose
Throttle body clogged or
Air cleaner clogged
Faulty spring
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