KYMCO MYROAD 700i Service Manual page 30

1
. GENERAL INFORMATION
POOR PERFORMANCE (AT HIGH SPEED)
Inspection/Adjustment
Connect the diagnostic
tool, then check EMS and
correct problems.
Check ignition timing
Check valve clearance
Check fuel pump for
fuel supply
Check throttle body or
air cleaner for clogging
Check valve timing
Check valve spring
tension
1-27
Symptom
Correct timing
Correctly adjusted
Fuel flows freely
Not clogged
Correct
Not weakened
Incorrect timing
Incorrectly adjusted
Fuel flow restricted
Clogged
Incorrect
Weak spring
MYROAD 700i
Probable Cause
Faulty spark plug
Faulty ignition coil
Faulty CPS
Improperly adjusted valve
clearance
Worn valve seat
Empty fuel tank
Clogged fuel hose or filter
Faulty fuel pump
Clogged fuel injector
Clean and unclog
Cam timing gear aligning
marks not aligned
Faulty spring