1
. GENERAL INFORMATION
1-24
Faulty CDI unit
Faulty pulser coil
Improperly adjusted valve clearance
Worn camshaft
Worn valve seat
Empty fuel tank
Clogged fuel tube or filter
Faulty charcoal canister
Faulty auto fuel valve
Clean and unclog
Cam timing gear aligning marks
not aligned
Faulty spring
Check valve timing
Check carburetor jets
for clogging
Check fuel pump for
fuel supply
Correct timing
Fuel flows freely
Fuel flow restricted
Correct
Not weakened
Weak spring
Not clogged
Clogged
Incorrectly adjusted
Correctly adjusted
Incorrect
Check valve clearance
Check valve spring
tension
Incorrect timing
POOR CHARGING (BATTERY OVER DISCHARGING OR OVERCHARGING)
Undercharging
Inspection/Adjustment
Symptom
Probable Cause
Start engine and test
limit voltage between
battery terminals
