How To Repairs Jet Ski Impellers

If you’re out on your own adventure you will need to know how to repair jet ski impellers. You are on your way to start skiing but the jet ski won’t kick off or you end up alone on an unknown shore after a long swimming session. There are several reasons why this could happen, but almost all are easily identifiable. You can even fix the ski on your own.

Things you will need to repair jet ski impellers:

  • Drygas or alcohol
  • Motor oil


  1. Use the lanyard for your safety in case jet ski impellers fail and need repaired. The lanyard is meant to stop the engine when rider slips. It should be functioning and only then the jet ski will start.
  2. Put on the choke. Most skis are accompanied by a lever or button that allows reduction of quantity air present in the fuel while ignition is switched on. After the engine starts leave the choke.
  3. Press the accelerator. This allows the engine to obtain more fuel and this in turn helps ignition.
  4. Add more gasoline to the main tank as well as the reserve tank. Jet skis usually don’t have fuel dial to know the existing quantity and no gas in the tank is mostly the issue.
  5. Put some Drygas or alcohol (denatured) to the fuel. This helps gasoline burn better after it has been kept in storage. All of this can cause the impellers to fail and will need to be ready to go once the repair is complete.
  6. Use the siphon method. As gasoline is lighter than water, water will remain at the bottom. Take out all the liquid and fill it up new gasoline.
  7. Check if oil is sufficient in the jet ski. Fill motor oil if the amount is low. Some of the jet skis might need a good mix of oil and gasoline.
  8. Charge the battery again. The battery loses charge when it is used after a gap. If it still fails, change the battery.
  9. If the Jet Ski Starts, but lacks thrust, make sure you first check the intake block of the jet ski. Weeds, fish and sand can easily block its intake. Several watercrafts propelled by jets are constructed in a way that it slides the impeller open without the use of tools.
  10. View the impeller with a critical eye. Blockages or routine wear and tear causes the fins to break. You should still have just about adequate amount of thrust reach the shore. Change the impeller if it has broken, bent or cracked. 
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