YAMAHA FX SHO & Cruiser '12-13 OEM ENGINE CONTROL UNIT ASSY Used 6CS-8591A-20-00

2012-2013 Yamaha FX SHO / FX Cruiser SHO OEM Engine Control Unit Assembly – Used
Part Number: 6CS-8591A-20-00

Genuine Yamaha OEM Engine Control Unit (ECU) removed from a 2012–2013 Yamaha FX SHO / FX Cruiser SHO WaveRunner.

This ECU manages fuel injection, ignition timing, supercharger operation parameters, rev limiter, and overall engine performance for the 1.8L Supercharged (SHO) platform.

✔ Original Yamaha OEM part
✔ Used – removed from running ski
✔ Good physical condition
✔ Direct replacement unit
✔ Compatible with select 2012–2013 FX SHO models (verify part number before purchase)

Professional installation strongly recommended.

Please confirm compatibility with your exact year and model prior to ordering.

🔹 IMPORTANT – Electrical Parts Policy

⚠️ NO WARRANTY – NO RETURNS ON ELECTRICAL COMPONENTS

All electrical parts including ECUs, CDIs, MPEMs, wiring harnesses, regulators, gauges, coils, and electronic modules are sold AS-IS.

Electrical components may be damaged by faulty wiring, short circuits, voltage spikes, bad grounds, charging system failures, or improper installation. For this reason, we do NOT provide warranty or accept returns on electrical items.

Buyer assumes full responsibility for proper diagnosis and installation.