Tech Specs

In The Box
Yamaha Gateway
CCU cable
Buzzer
NMEA 2000® drop cables (2 meters)
NMEA 2000 power cable
NMEA 2000 T-connectors
Male and female terminators
Documentation
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs

In The Box
Yamaha Gateway
CCU cable
Buzzer
NMEA 2000® drop cables (2 meters)
NMEA 2000 power cable
NMEA 2000 T-connectors
Male and female terminators
Documentation
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Reactor 40 Steer-by-wire Corepack for Yamaha Helm Master Without GHC Autopilot Instrument (010-00705-91)
Your Perfect Co-Pilot for Yamaha Helm Master Systems
Designed specifically for yachts with the Yamaha Helm Master system, the Garmin Reactor 40 Steer-by-Wire Corepack brings you effortless control on the water. Whether you’re cruising the open seas or navigating through tight spaces, this autopilot ensures you stay on course, leaving you free to focus on the experience.
Key Features
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Yamaha Helm Master System Compatibility
This corepack integrates seamlessly with Yamaha Helm Master systems, making it an ideal companion for your boat. It is engineered for high compatibility, ensuring that your autopilot works smoothly with your existing setup. -
Solid-State 9-Axis AHRS
Featuring a solid-state 9-axis AHRS, the Reactor 40 can be mounted almost anywhere on your boat. This advanced system minimizes heading error, reduces power consumption, and maintains precise control, whether you’re facing calm or rough waters. -
Reacts to Water Conditions
Designed to adapt to sea conditions, the Reactor 40 autopilot ensures that you stay on course even in challenging weather or while pitching and rolling. With this system, you can trust that it will react and adjust to your surroundings to keep you confidently on track. -
Simple Calibration
Calibration is quick and easy with the Reactor 40, so you can spend more time enjoying your boat and less time setting up the equipment. This autopilot simplifies the commissioning process, allowing you to get on the water faster. -
Wireless Remote Capabilities
You have the freedom to control the Reactor 40 from anywhere on your boat using compatible Garmin devices. Whether it’s the Reactor autopilot remote or your quatix® marine smartwatches, you can effortlessly manage the autopilot remotely (requires a compatible Garmin chartplotter or GHC 50 autopilot instrument). -
Optional GHC 50 Bundle
Upgrade your autopilot experience by pairing the Reactor 40 corepack with the GHC 50 autopilot instrument. This optional bundle adds a dedicated, touchscreen autopilot display to your helm. The GHC 50 also allows you to share data and settings with your Garmin MFDs and other devices, streamlining your boating experience. -
Powerboat and Sailing Features
When connected to your compatible Garmin chartplotter, the Reactor 40 corepack provides powerboat and sailing features such as heading hold, step turns, wind hold, and tack/jibe (when paired with a wind sensor, sold separately). Additionally, enjoy Follow Route and Auto Guidance+™ features, enhancing your navigation with ease.
The Garmin Reactor 40 Steer-by-Wire Corepack for Yamaha Helm Master systems is an excellent choice for anyone looking to elevate their boating experience. Its solid-state 9-axis AHRS, seamless integration with Yamaha systems, and the flexibility of wireless remote control make it an ideal solution for both new and experienced boaters. Combine it with the GHC 50 autopilot instrument for additional control and functionality, and enjoy effortless navigation, whether on powerboat or sailboat. With the Reactor 40 autopilot, you can trust that your boat will stay on course, no matter the conditions.