Buyer Research

2021 Yamaha WaveRunner FX HO — Should You Buy One?

Typical asking price: $11,000–$15,000. This is one of the more reliable vehicles in its class — here's what to watch for anyway.

Kestrel Take

The luxury touring WaveRunner with the naturally aspirated 1.8L HO engine — big, stable, loaded with features, and no supercharger to maintain (unlike its SVHO sibling). One of the best used touring skis you can buy. Hours, flushing, and the electronics package are the inspection.

Known Issues for the 2021 Yamaha WaveRunner FX HO

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

Salt corrosion from poor flushingMedium

Verify use and flushing habits on a saltwater ski.

Repair cost range: $300-$2,000

Electronics and connected-features faultsMedium

The feature-rich touch dash and connected systems can fault; verify all functions.

Repair cost range: $200-$1,000

Wear ring and impeller wearMedium

Hours and debris wear the pump.

Repair cost range: $150-$500

Battery and storage issuesLow

Storage kills batteries and gums fuel.

Repair cost range: $50-$300

Walk-Away Red Flags

✗Salt use with no flushing
✗Dash or electronics faults
✗Worn wear ring
✗High hours, no service

Good Signs

✓Freshwater or flushed
✓All electronics working
✓Naturally aspirated HO — no supercharger

Found a specific Yamaha WaveRunner FX HO?

This page covers what goes wrong on the 2021 Yamaha WaveRunner FX HO 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.