Yamaha Harmo 2.0
Mitek REVOLVE
Another rim drive motor at METS was the Yamaha Harm 2.0. The 1.0 Harmo was actually first displayed at METS 2016 and then launched for European boatbuilders in 2020 as a “next-generation control system platform” consisting of a propulsion unit powered by an electric motor, a remote-control box, and a joystick that enables more intuitive operation.
The Harmo 2.0 is largely the same system, but with improvement and upgrades in all aspects resulting from tests and customer feedback. There is an expanded control system, and the Harmo 2.0 fully integrates with Yamaha’s Helm Master EX® system, giving users access to advanced features such as Autopilot and SetPoint positioning.
Monument M10
A very clever outboard idea was exhibited at METS from Mitek, an Italian electric propulsion company with a full range of products including inboards, outboards, pods and saildrives. Their new motor, REVOLVE, was nominated for a DAME Design Award at METS and is impressive to see.
It basically takes the rotatable lower leg to another level. The 100kW (135 hp) motor sits in a bracket that looks like a C-Clamp and is attached at the bottom to the lower unit. To steer the boat, the lower unit and bracket turn together. The real innovation, though, occurs when the motor is turned off. The bracket turns to be flush with the transom, then the entire unit revolves out of the water to tuck away against the transom above the water line.
Another brand new outboard nominated for the DAME Awards comes from Monument, an offshoot of electric surfboard manufacturer The Kinetic Option. The METS show was the worldwide launch for the 10 kW (1.5 hp) motor, which also shows off the weight advantage of electric over fossil fuel burning motors, weighing in at only 24 kg (53 lbs). For a comparison, that’s less than half the weight of a Yamaha 15 tilting the scale at 50 kg (111 lbs).
New outboards from the Startup Pavilion
“But what about the battery”, you say. The company’s MB-6 battery weighs 37 kg and is basically the same size as a 3 gallon/10 L gas/petrol tank. For a full weight comparison then, the M10 and MB-6 add up to 61 kg while the Yamaha 15 and full tank add up to 60.29 kg. The battery stores 6.4 kWh of energy, and the M10 has an integrated trip computer and digital display with foldable tiller and quick release transom mount compatible with a wide range of common remote steering setups
There was a start-up section at METS in 2023, which was elevated to full Start-Up Pavilion status. Organized and overseen by Yachting Ventures, the growth platform for startups in leisure marine, the companies are not limited to electric boating but inevitably, there are some interesting and exciting entries in that field. At METS 2024 there was one start-up completely new to the scene – E SEA – and another – ZPARQ – that graduated from the previous showcase with a fully realized outboard ready for manufacture.
The ESEA prototype has used the rotating lower leg concept to create an outboard with an extremely low profile and a power rating of 75 kW (100 hp). ZPARQ (pronounced ‘spark’) has created a much rudder type outboard using a 10 kW/15 hp motor that has enormous power to weight ratio because it literally has a hole in the middle. This patented Hyperflow Cooling™ concept means water is flowing all around the motor as it goes though the water, enabling much higher RPMs.
THE REPORT | MAR 2025 | ISSUE 111 | 87
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