DAELIM S-FIVE Service Manual page 178

POOR PERFORMANCE AT LOW SPEED AND IDLING
1. Check ignition timing.
Normal
2. Check the carburetor air screw.
Correct
3. Check the area around the manifold
for air leakage.
No leak.
4. Check sparks.
Sparks normal.
POOR PERFORMANCE AT HIGH SPEED
1. Check ignition timing.
Correct
2. Remove the fuel tube from the fuel
valve.
Fuel flows.
3. Remove the carburetor, and check
for clogged jets.
Not clogged.
Abnormal
Incorrect
Leaking
Weak or intermittent
sparks.
Incorrect
Insufficient fuel supply.
Clogged.
TROUBLESHOOTING
CAUSE OF TROUBLE
(1) Faulty CDI unit.
(1) Excessive fuel mixture.
(Loosen screw to correct
adjustment level.)
(2) Lean fuel mixture.
(Tighten screw to correct
adjustment level.)
(1) Faulty insulator packing.
(2) Loose carburetor.
(3) Faulty inlet pipe packing.
(4) Faulty insulator O-ring.
(1) Carbon deposited on spark plugs or
spark plugs contaminated.
(2) Faulty CDI unit.
(3) Faulty ignition coil.
(4) Faulty A.C. generator.
(5) Faulty main switch.
CAUSE OF TROUBLE
(1) Faulty CDI unit.
(2) Faulty A.C. generator.
(1) Fuel tank empty.
(2) Fuel tube or fuel filter clogged.
(3)Fuel tank cap air hole clogged.
(1) Clean.
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