Yamaha is launching its latest outboard engine model 350hp V6, as well as enhancements to its Helm Master EX boat control system, at the boot Dusseldorf Boat Show, taking place from 20 to 28 January 2024.

“The past few years have seen Yamaha make great strides from a leading provider of outboard engines to a true boating systems provider. We have launched many industry-leading innovations during this period, but we haven’t stopped there,” says Fabrice Lacoume, marine director at Yamaha Motor Europe.

“This year’s line-up sees us deliver an exciting and powerful new engine that really reflects the diversity demanded by today’s boat owner, plus a range of more nuanced technical enhancements that meet and hopefully exceed our customers’ advancing expectations.”

The Yamaha 350hp V6 engine

Yamaha, a leader in outboard engines, boat components and control system integrations, says the newly designed 350hp V6 engine has been designed to meet customers’ ever-increasing demand for horsepower.

Highlights include 20 per cent more fuel efficiency than its predecessor, alongside enhanced user features and a superior power-to-weight ratio, according to Yamaha. The engine is available in Pearlescent White and Traditional Gray colourways.

Performance optimisation

Yamaha F350 outboard

Designed to bridge the power gap between the V6 and V8 engines, the new engine is said to offer customers the higher power of a V6 and increased torque at lower speeds, allowing for a more responsive, exhilarating experience when piloting the boat.

The latest addition to the firm’s V6 line-up, the 350hp 4.3L engine also offers larger intake and exhaust valves to maximise air movement. Better airflow helps to generate more power as the engine’s fuel and ignition timing match operator throttle demand for responsive performance. Yamaha says a new robust crankshaft offers a longer stroke, enabling more torque at lower speeds.

The power can be synced with Yamaha’s built-in Digital Electric Steering (DES) and Thrust Enhancing Reverse Exhaust (TERE).

Engine advancements

With an 11:1 compression ratio, the new 350hp V6 expertly manages air displacement using tailored intake manifolds equipped with 40 per cent larger surge tanks to maximise the amount and timing of air rushing into the intake ports, while also ensuring even distribution of air into each cylinder.

The new Yamaha 350hp V6 also incorporates the use of iridium spark plugs – appreciated for their hardiness and concentrated, efficient spark – combined with the premiere of Yamaha’s new fuel injection control technology, which is said to produce a longer injector duration than that of the 300hp V6 for more power.

Enhancements to the Helm Master EX

Yamaha F350 outboard

As with its other high-powered models, the new 350hp V6 outboard is designed to be used in tandem with Yamaha’s Helm Master EX control rigging system, which uses sophisticated technology to help professionals, enthusiasts and leisure users boat confidently, maximising fun on the water across single and multiple outboard engine set-ups.

For 2024, Yamaha builds on the joystick-integrated variable speed bow thruster system by adding single, quad and quint outboard motor applications for larger boats that may require additional control. In addition, Sleipner joins Vetus for this next generation of integrated bow thrusters as a supported vendor brand for this technology.

Also new for 2024, Yamaha’s 704 Remote Control Box is now available with a neutral locking feature, allowing the outboard to maintain a neutral position while the engine is running. This function is suitable for idling out on the water or waiting time at the docks.

The top mount control box allows for easy, one-handed throttle control and straightforward trim setting adjustment via a thumb-operated toggle switch in the handle.

These new innovations from Yamaha are available to view at Yamaha’s stand (Hall 3/C90.1) at boot Düsseldorf, from 20-28 January 2024.

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