Engine won't start

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No fuel to carburetor[edit]

  • Fuel strainer clogged
  • Fuel tube clogged
  • Float valve stuck
  • Float level maladjusted
  • Fuel tank breather tube (or hole) clogged
  • Fuel pump malfunction
  • Fuel auto valve malfunction

To much fuel getting to engine[edit]


  • Intake air leak
  • Fuel contaminated
  • Slow circuit or starting enrichment valve circuit clogged