kpw 50 Workshop-manual : Page 45

          4. FUEL SYSTEM                                                                 K-PIPE 50


 TROUBLESHOOTING
 Engine cranks but won't start                 Engine lacks power
  No fuel in tank                               Clogged air cleaner
  No fuel to carburetor                         Faulty carburetor
  Cylinder flooded with fuel                    Faulty ignition system
  No spark at plug
  Faulty fuel pump
  Clogged air cleaner                          Lean mixture
  Intake air leak                               Clogged carburetor fuel jets
  Improper throttle operation                   Float level too low
                                                Intake air leak
 Engine idles roughly, stalls or runs poorly    Faulty charcoal canister
  Faulty charcoal canister                      Restricted fuel line
  Ignition malfunction
  Faulty carburetor                            Rich mixture
  Poor quality fuel                             Float level too low
  Lean or rich mixture                          Clogged air jets
  Clogged air cleaner                           Clogged air cleaner
  Incorrect idle speed
  Worn throttle needle


 Misfiring during acceleration
  Faulty ignition system
  Faulty carburetor
  Faulty accelerating pump
  Faulty charcoal canister


 Backfiring at deceleration
  Float level too low
  Incorrectly adjusted carburetor
  Faulty exhaust muffler




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