Yamaha WaveRunner ECU 6CR-8591A –30-00 VX CRUISER 1800 HO 2018 OEM Computer – Used & Tested
Yamaha WaveRunner ECU 6CR-8591A –30-00 VX CRUISER 1800 HO 2018 OEM Computer – Used & Tested is backordered and will ship as soon as it is back in stock.
Pickup available at MIAMI MOTORSPORTS USA
Usually ready in 2-4 days
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Yamaha WaveRunner ECU 6CR-8591A –30-00 VX CRUISER 1800 HO 2018 OEM Computer – Used & Tested is backordered and will ship as soon as it is back in stock.
Description
Description
Yamaha WaveRunner ECU 6CR-8591A-30-00 – VX CRUISER 1800 HO 2018-2020 OEM Computer — Used & Tested
Genuine OEM Yamaha 6CR-30 Engine Control Unit (ECU) removed from a running ski and fully tested to ensure proper ignition timing, fuel control, RPM management, and safety systems.
🔧 What This ECU Controls:
- Ignition timing and spark advance
- Fuel injection mapping and air/fuel ratio
- RPM limits and rev limiter
- Safety/limp mode activation
- Throttle position sensor integration
✅ Condition:
Used — normal cosmetic wear from operation, no broken plugs or cracks, tested and verified 100% functional before shipping.
📋 Part Number:
6CR-8591A-30-00 (OEM Yamaha)
🚤 Fitment / Compatibility:
Designed specifically for:
- 2018-2020 Yamaha VX Cruiser 1800 HO
- 2018-2020 Yamaha VX Deluxe 1800 HO
- 2018-2020 Yamaha VX Limited 1800 HO
Important: Buyer must verify part number compatibility with their specific model and year. Check your existing ECU part number before ordering.
💡 Why Replace Your ECU?
Common symptoms of a failing ECU include: no start condition, intermittent stalling, limp mode activation, poor throttle response, or check engine light. This OEM replacement restores proper engine control without paying new dealer prices ($800-1200).
📍 About Miami Jet Ski Motorsports:
Based in Hallandale Beach, FL. All electrical components tested before removal. Worldwide shipping available. Expert Yamaha electrical diagnostics and support.
⚠️ Important Notice:
Due to the nature of electrical components, no warranty or returns are offered on this item. All parts sold as-is, tested working condition.

