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Check and Adjustment:
Continually drive in acceleration or high speed.
Fault Condition:
Engine Knocking
Probable Causes:
• Too much carbon deposited in combustion chamber
• Lean mixture
• Poor fuel quality
• Ignition timing too advanced
C. Engine runs Sluggish at low speeds or idling
Check and Adjustment:
Check ignition timing using ignition lamp
Fault Condition:
Abnormal
Probable Causes:
• Incorrect ignition timing (malfunction of CDI or AC alternator)
Check and Adjustment:
Adjust the air screw of the carburetor.
Fault Condition:
Poor engine performance
Probable Causes:
• Rich mixture (tighten the screw)
• Lean mixture (loosen the screw)
Check and Adjustment:
Air leak through carburetor gasket
Fault Condition:
Air leak
Probable Causes:
• Bad heat insulation gasket
• Carburetor loose
• Bad intake gasket
• Bad carburetor O-ring
• Vacuum hose leak
Summary of Contents for 1500
Page 5: ...PAGE 5 Serial Number on MTV PIN Number Located under seat on passenger side...
Page 57: ...PAGE 57...
Page 108: ...PAGE 108 SERVICE MANUAL...
Page 130: ...PAGE 130 SERVICE MANUAL...
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