MX’er SYSTEM
POOR PERFORMANCE (AT HIGH SPEED)
Faulty CDI unit
Faulty pulser coil
Improperly adjusted valve
clearance
Worn valve seat
Empty fuel tank
Clogged fuel tube or filter
Clogged Fuel tank cap breather
hole
Clean and unclog
Cam timing gear aligning marks
not aligned
Faulty spring
POOR CHARGING (BATTERY OVER DISCHARGING OR OVERCHARGING)
Inspection/Adjustment Symptom Probable Cause
Check ignition timing
Check carburetor jets
for clogging
Check fuel pump for
fuel supply
Correct timing Incorrect timing
Check valve spring
tension
Check valve clearance
Fuel flows freely Fuel flow restricted
Correct
Incorrect
Not clogged Clogged
Correctly adjusted
Incorrectly adjusted
Not weakened Weak spring
Check valve timing
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