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STA-BIL Marine Tune-Up [22313]

STA-BIL Marine Tune-Up [22313]

Regular price $9.97 USD
Regular price $12.99 USD Sale price $9.97 USD
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Marine Tune-Up

When watersport engines are running rough, it’s time for STA-BIL® Marine Tune-Up. The easy-to-use additive pours directly into the fuel tank to address issues caused by ethanol-blended fuels or plain old, neglected fuel systems. One treatment is enough to restore lost engine performance in any gasoline-powered watercraft like jet skis, speed boats, and PWCs. Try it next time the engine seems to be running a bit rough, unlike you remember it.

Formulated For

Any gasoline-powered watercraft like jet skis, speed boats, and PWCs.

Top Benefits:

  • Easily cleans carbs and injectors
  • Treats 20 gallons of fuel
  • Quickly resolves rough-running engines
  • Dissolves gum and varnish build-up
  • Perfect for small boats and personal watercraft (PWCs)
  • Compatible with all gasoline marine engines
  • Great to use as a “tune-up” throughout boating season

Directions for Use:

  • Use 1oz of STA-BIL® Marine Tune-Up for every 2.5 gallons of fuel.
  • Once users measure out the correct ratio, pour STA-BIL® Marine Tune-Up directly into the gas tank of the marine vessel
  • After pouring in the additive, top off the gas tank with fresh fuel
  • Finally, start the engine and let it run for 15 minutes uninterrupted


  • Size: 8 oz
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