6EY-8591A-00-00 YAMAHA Waverunner Ecu Engine Control Unit TR1

Review YAMAHA Waverunner 1050 Ecu Engine Control Unit for TR1 VX 2016–2017

Introducing the Yamaha 6EY-8591A-00-00 2016-17 Waverunner VX 1050 TR1 ECU (Engine Control Unit), a state-of-the-art component that plays a crucial role in managing various engine functions on your Yamaha watercraft.

This ECU, specifically modeled for the VX 1050 TR1, is a microprocessor-based unit responsible for controlling and optimizing the engine's performance, fuel injection, ignition timing, and various other engine systems. By utilizing advanced technology, it ensures a smooth, reliable, and efficient boating experience.

The 6EY-8591A-00-00 ECU is designed to seamlessly integrate with other engine components and systems, such as the electronic fuel injection (EFI) system, the ignition system, and the various sensors that provide real-time data about engine performance.

This ECU is also equipped with onboard diagnostics (OBD) capabilities, allowing you to easily identify and address any potential issues. It communicates with a handheld diagnostic tool, providing clear, concise codes and suggestions to help you troubleshoot and repair any problems.

Additionally, the ECU features an advanced knock sensor system, which monitors engine knock and adjusts ignition timing to maintain optimal engine performance and prevent damage from detonation. This system contributes to the overall durability and longevity of your Yamaha watercraft engine.

The 6EY-8591A-00-00 ECU is a crucial component for maintaining the peak performance and reliability of your Yamaha VX 1050 TR1 Waverunner. Its sophisticated design and advanced features ensure that your watercraft is always running at its best, allowing you to enjoy your time on the water with confidence and peace of mind.

The Yamaha VX 1050 TR1 Waverunner is a high-performance watercraft known for its power, agility, and advanced features. The 6EY-8591A-00-00 and 6EY-8591A-01-00 are the engine control units (ECUs) specifically designed for this model. In this discussion, we will explore the pros and cons of buying a 6EY-8591A-00-00 or 6EY-8591A-01-00 ECU for your Yamaha VX 1050 TR1.

1. Improved Performance: This ECU is designed to optimize engine performance, allowing for increased horsepower and torque.

2. Enhanced Fuel Efficiency: The ECU also focuses on improving fuel efficiency, reducing operating costs over time.

3. Advanced Features: The 6EY-8591A-00-00 ECU includes features like Cruise Assist, Idle-Down, and Tachometer, adding convenience and functionality.

4. Diagnostic Capabilities: The ECU has built-in diagnostic capabilities, making it easier to identify and address potential issues.

1. Expensive: The 6EY-8591A-00-00 ECU is a premium upgrade and may be more costly than the stock ECU or aftermarket alternatives.

2. Complex Installation: Installing the ECU may require advanced knowledge of marine engine systems and programming skills.

3. Warranty Void: Installing a aftermarket ECU like the 6EY-8591A-00-00 may void your factory warranty.

1. OEM Replacement: The 6EY-8591A-01-00 is the original equipment manufacturer (OEM) replacement ECU for the Yamaha VX 1050 TR1, ensuring a perfect fit and compatibility.

2. Factory Warranty: By using the OEM replacement ECU, you can maintain your factory warranty and avoid any potential issues with aftermarket components.

3. Simple Installation: The installation process for the OEM replacement ECU is typically straightforward and can be done by a professional mechanic or an experienced DIY enthusiast.

1. Limited Performance Upgrades: The OEM replacement ECU may not offer the same level of performance upgrades as aftermarket ECUs.

2. Cost: The OEM replacement ECU may be more expensive than aftermarket alternatives, especially when considering labor costs for installation.

When deciding between the 6EY-8591A-00-00 and 6EY-8591A-01-00 ECUs for your Yamaha VX 1050 TR1, consider your budget, technical expertise, and desired performance upgrades.

If you prioritize advanced features, improved performance, and fuel efficiency, the 6EY-8591A-00-00 aftermarket ECU could be the right choice for you. However, keep in mind that it may require a complex installation process and potentially void your factory warranty.

On the other hand, if you prefer a simple installation, maintaining your factory warranty, and having a reliable OEM replacement, the 6EY-8591A-01-00 ECU is the better option.

Based on the pros and cons discussed above, I would recommend the 6EY-8591A-01-00 OEM replacement ECU for most Yamaha VX 1050 TR1 owners. This option provides a straightforward installation, maintains the factory warranty, and offers a reliable solution for your watercraft's engine control needs. However, if you're an experienced DIY enthusiast or prioritize significant performance upgrades, the 6EY-8591A-00-00 aftermarket ECU could be worth considering.

Details:

I end up covering partial cost of just about every package send out due to the high shipping these day. I source, buy, disassemble, clean, picture, list and ship every part myself. Please reach out to me right away. Note 1: this unit is in good usable condition showing normal signs of age, usage and wear.

2017 Vx Vx1050cs - electrical fast outbound shipping. Fits most: 2016 waverunner Vx Vx1050cr - electrical please do your research and reach out to me with fitment questions before committing a purchase.

My wife and I still ride stand up skis to this day. My wife and I moved our family to Seneca, SC enjoy the beautiful fresh waters of lake cower. Excellent packaging. However, none of those experiences allowed me to work with my absolute favorite marine toy.

Very nice condition oem Yamaha ecu assembly removed from a running, fresh water 2016 waverunner Vx 1050 1.0l. If you find yourself in a situation where your product is damaged shipping, miss-shipped, not as stated, etc.

specifications jetskiignitions:

• for models: Tr1, Vx
• for years: 2016–2017
• brand: Yamaha
• mpn: 6ey-8591a-00-00
• part type: Control Ecu Engine Unit

offer jetskiignitions:

• options: ship-to-home
• in stock #: 5
• availability: in stock
• prices: $399.95–$467.63
• item condition:
  • Used
  • Remanufactured
• started: september 23, 2025
• sold #: 22

payments jetskiignitions:

• wallet: apple-pay
• credit card: visa
• other

shipping jetskiignitions:

• class: standard
• type: fixed
• carrier: ups
• transit: 2-4 days
• service: ups ground

returns jetskiignitions:

• policy: returns accepted
• paid by: buyer
• time: 14 days

seller jetskiignitions:

• # reviews: 9928
• city: seneca, south carolina
• rating: 100.0%

general jetskiignitions:

• category: Watercraft Parts > Ignition Starting Systems