How to Maintain Your Jet Ski’s Fuel Lines

UPDATED 8/4/2020

Jet skis are fun and powerful machines that many Americans love to ride all summer long. However, before summer starts or ends, you’ll need to make maintenance checks to ensure your jet ski is up to your challenge.

The Owner’s Manual

Before starting any maintenance or repairs on your jet ski, find your owner’s manual, and start studying. Each jet ski is different so you’ll want to know about any specific maintenance guidelines for yours. You might also have modifications or unusual models that require special services and maintenance. If you’re not confident in your own abilities or find you have a complicated model, take it to a professional to be serviced.

There are a lot of things you’ll want to check for. You’ll want to look for old fuel, loose or damaged parts, corrosion, and more. Other maintenance activities include cleaning the engine, seat, and windshield, drain out water from the engine, lubricate hinges, put in fuel injector cleaner for jet ski, and add fuel stabilizer. You’re not done yet however, there is one part of maintaining your personal watercraft that needs to be done annually. The replacement of the jet ski fuel filter, fuel lines, and injectors.

Replace the Fuel Lines and Filters

The fuel lines are one of the most essential parts of your jet ski, and keeping them in good condition is vital. If you notice any cracks or fuel leaks, don’t wait to repair the issue. There is a good chance that the jet ski won’t even start if the issue is bad enough, but even if it does, don’t chance it and take it out on the water.

Likewise, it’s important to look after your fuel filter. These filters keep particles from making it into the engine and potentially causing damage. However, over time jet ski fuel filters can become dirty or clogged. If the filter becomes too built up, it may hinder the influx of fuel into the engine. If you begin experiencing stalling, power failures, or misfires, it may be worth checking out your filters just to be on the safe side.

Additionally, fuel injectors can wear down over time. If you’re experiencing trouble with engine turn over, idling, or decreased mileage, a faulty injector could be the issue. This is an important part of 2 stroke and 4 stroke jet ski maintenance


While changing jet ski fuel filters and fuel lines is possible on one’s own, when working around gasoline it’s important to take the proper steps to ensure personal safety.

  • Fire. Always keep a fire extinguisher handy. Though you may not need it, when flammable gases are involved, it’s good to keep on hand in case a spark does ignite.
  • Open area. Conduct all repairs away from you home and out in the open. As mentioned above, gasoline can be unpredictable. Make sure to work out in the open, not only to reduce fire hazards, but to reduce the inhalation of harmful fumes.
  • Ask for help. If this is your first time changing jet ski fuel filters, lines, or injectors, don’t hesitate to ask for help from someone who knows the process. If you’re able to learn first hand, next time you’ll know exactly what to do without issue.

Jet ski fuel filters, lines, and injectors are integral parts of your water vehicle. Maintaining them, and replacing them when needed, is important if you want to be able to make the most of your time on the water.

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