Service Manual (KLZ1000C) — page 115 of 762

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FUEL SYSTEM (DFI) 3-31
Troubleshooting the DFI System

Poor running   □ very low idle speed, □ very high idle speed, □ rough idle speed.
at low speed   □ battery voltage is low (charge the battery).
               □ spark plug loose (tighten it).
               □ spark plug dirty, broken, or gap maladjusted.
               □ backfiring.
               □ afterfiring.
               □ hesitation when acceleration.
               □ engine oil viscosity too high.
               □ brake dragging.
               □ engine overheating.
               □ clutch slipping.
               □ other:
Poor running □ spark plug loose (tighten it).
or no power at □ spark plug dirty, broken, or gap maladjusted.
high speed
               □ spark plug incorrect (replace it).
               □ knocking (fuel poor quality or incorrect, → use high-octane gasoline).
               □ brake dragging.
               □ clutch slipping.
               □ engine overheating.
               □ engine oil level too high.
               □ engine oil viscosity too high.
               □ other: