1. General Information
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NIKOTA USA: PANTERRA SCOOTER SERVICE MANUAL
CHAPTER 1: INTRODUCTION
Check Adjust Faulty Condition Cause of Trouble
Engine RPM OK
Low Engine RPM
Ignition timing correct
Ignition timing incorrect
Supply engine with fuel and watch
Regulate ignition time using timing lamp
Valve regulation failure
Test compression pressure determining
Valve gap correct
Valve gap incorrect
Air filter blocked
Fuel tank cap air bleeder
blocked
Fuel choke
Exhaust pipe blocked
Carburetor diaphram broken
Automatic oil cup bad
Auto choke bad
C.D.I. bad
Ignition coil bad
Clean
Spark plug heat value improper
Valve seat bad
Clean
Valve timing bad
Cylinder or piston worn
Oil passage blocked
Oil pump delivery
Engine oil too much
Engine oil unchanged
Engine oil too little
Cylinder gasket leaking
Valve gap adjustment improper
Valve seat excessively worn
(valve out shooting excessively)
Compression pressure normal
Compression pressure too low
No blockage
Blocked
Not dirty or discolored
Dirty or discolored
Check for carburetor blockage
Remove spark plug to check
Normal level
too much
Check engine oil level or quality in crank case
Normal
Abnormal
Check cyliner head lubrication
Not too hot
too hot
Check engine heating
No knocking
Knocking
Acceleration or run at a high speed continuous
Piston or cylinder worn
deposit too much
Mixture excessively thin fuel improper
Combustion chamber carbon
Ignition time too early
Comustion chamber
Clutch slipping
Carbon deposit too much
Fuel bad
Mixture weak
Ignition timing too early
Trouble Shooting Guide
(under speed, no power)
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