In this video, the team at RM Marine services three Yamaha V8 450HP outboards — serious engines that represent the absolute peak of offshore outboard performance.
Powered by Yamaha’s legendary 5.6L V8 platform, these motors deliver incredible torque, reliability, and the kind of power normally reserved for serious offshore weapons. Rigged with Yamaha’s Helm Master EX system, Matt shows just how easy it makes docking and maneuvering a large boat, with precise joystick control that turns 1,350 horsepower into smooth, effortless handling.
Watch as we run through the full service process including:
🔧 Inspection and servicing of three Yamaha 450HP V8 outboards
🔧 Oil and filter changes, system checks, and diagnostics
🔧 Helm Master EX system check and control testing
🌊 Final on-water testing to make sure all 1,350HP of Yamaha V8 muscle performs exactly as it should
When you’ve got triple V8 450s on the transom, precision servicing and setup is critical. From the workshop to the water, we make sure everything is running perfectly. There’s nothing quite like the sound of 1,350 horsepower of Yamaha V8 power coming to life.
📍 RM Marine – Mornington Peninsula 🌐 www.rmmarine.com.au 📞 03 5986 778
In this video, Matt takes us behind the scenes as we fit a Yamaha demo outboard to a customer’s boat — from initial mounting and rigging through to final setup and on-water testing.
Matt walks us through:
🔧 Transom preparation and precise engine mounting
🔧 Control and rigging installation
🔧 Electrical and fuel system connections
🔧 Digital gauge setup and system checks
🌊 Final water test and performance verification
There’s nothing better than hearing a Yamaha come to life — and even better seeing it out on the water, performing exactly as it should. At RM Marine, we focus on precision installation, correct setup, and real-world water testing to ensure every boat leaves ready for reliable performance and complete owner confidence. If you’re considering a repower or simply want to see what’s involved in fitting a Yamaha outboard properly, this video walks you through the entire process from workshop to water.