Motorcycle not be start

• Make sure your key is turned to “ON” or “RUN” and the key switch is in the run position.
  
• Make sure that the bike is in neutral and that your kickstand is up.
  
• Bad quality fuel.
  
• Check fuel petcock turned to on or reserve.
  
• Check your fuel line
  
• Fuel line can dry out or cracks.
  
• Fuel filter can become plugged and won’t let enough or any fuel pass through.
  
• Block carburettor jets.
  
• Check vacuum lines for cracks and hole.
  
• Make sure that air can pass through your air filter/intake.
  
• No spark in spark plug.
  
• No fuel in fuel tank.
  
• No fuel reached in carburettor.
  
• Chocked fuel pipeline.
  
• Chocked carburettor floating body niddle.
  
• Bad Ignition coil.
  
• Wiring fault.
  
• Compression and a spark delivered to the compressed fuel/air at the not appropriate time.
  
• Not enough electrical energy to spin the starter.
  
• Weak compression you will need a compression tester to find compression.
  
• Worn crank seal or head gasket.