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2021 Yamaha SuperJet — Should You Buy One?

Typical asking price: $7,500–$11,000. This is one of the more reliable vehicles in its class — here's what to watch for anyway.

Kestrel Take

The reborn stand-up SuperJet, now with a four-stroke engine replacing the old two-stroke — more reliable and cleaner, if less raw. A specialist toy for experienced riders. Check for the hard falls and impacts these take, plus the usual salt-water and impeller wear.

Known Issues for the 2021 Yamaha SuperJet

Ranked by wallet impact. These are documented, recurring problems — not freak accidents.

Impact and hull damage from fallsMedium

Stand-up skis take constant falls and hits; inspect the hull, tray, and pole for cracks and repairs.

Repair cost range: Varies

Impeller and pump wearMedium

Sucking up sand or debris nicks the impeller; inspect it and the wear ring.

Repair cost range: $150-$500

Salt-water corrosionMedium

Salt use without flushing corrodes internals; check for corrosion and flushing history.

Repair cost range: Varies

Low hours vs. hard useLow

A stand-up ski's hours matter less than how violently it was ridden.

Repair cost range: n/a

Walk-Away Red Flags

  • Hull or pole cracks and repairs
  • Damaged impeller
  • Salt corrosion with no flushing history
  • Hard freestyle abuse

Good Signs

  • Solid hull with no structural repairs
  • Good impeller and wear ring
  • Freshwater use or diligent flushing

Found a specific Yamaha SuperJet?

This page covers what goes wrong on the 2021 Yamaha SuperJet in general. The Kestrel report covers this specific car— the asking price vs. market, the photos, the seller's description, and a BUY / NEGOTIATE / WALK AWAY verdict with a negotiation script.

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Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.