1. General Information
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NIKOTA USA: PANTERRA SCOOTER SERVICE MANUAL
CHAPTER 1: INTRODUCTION
Trouble Shooting Guide
Starter Failure or Hard Starting
Check Adjust Faulty Condition Cause of Trouble
Supply apply
enough fuel
There is spark over in spark plug
Test compression pressure
There is no spark or weak spark
No compression pressure
or compression pressure
too low
Normal compression pressure
No fuel supplied to carburetor
Loosen carburetor overflow screw
and check if there is fuel in it
Remove spark plug install it in its
cap and connect it to engine to
for spark
Start according to operating method
No ignition spark
Spark plug wet
Spark plug dry
(Engine) having ignition
spark but not to start
Remove spark plug again and check
No fuel in tank
Float passage clocked
Passage from tank
to carburetor blocked
Air hole in fuel tank cap blocked
Fuel filter screen blocked
Vacuum switch faulty
Fuel filter blocked
Spark plug bad
Pickup coil bad
Spark plug dirty and broken
C.D.I. bad
Ignition coil broken circuit
Ignition coil broken wire
or short circuit
Main switch bad
or short circuit
Starter clutch bad
Cylinder piston or piston ring bad
Valve too tight
Valve set bad
Cylinder gasket leaking
Valve timing improper
Valve burned
Automatic choke performance
Carburetor oil quanitity
Air inlet improper manifold
Ignition time wrong
regulation screw bad
Carburetor oil level too high
Throttle valve opening too wide
Auto-enriching device start
enrichment failty
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