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V6 4.2 L

Yamaha’s award-winning V6 4.2-liter outboards have been offshore favorites for more than a decade. Initially, boaters were attracted to their power, efficiency and intelligent design. After years of proven performance, our V6 4.2-liters have become known for something perhaps even more valuable offshore—reliability. In fact, with legendary 96 percent reliability,** they’re one of the most trusted V6’s offshore. Well, now these trusty outboards are turning heads again, with a fresh new look and new, integrated digital electric steering—making them even more responsive. Our V6 Offshore outboards have proven once again that even a trusted favorite can take an exciting turn.
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Yamaha’s 4.2-liter V6 Offshore outboards feature plasma-fused sleeveless cylinder walls, which are 60 percent harder than steel. That means larger cylinder bores for increased displacement, resulting in more power and torque, without increasing outer cylinder dimensions. It also results in dramatically lighter weight and better cooling, and “micro-textured” cylinder walls that help decrease friction loss, and further increase performance and enhance reliability.
For maximum power and efficiency, electronically controlled throttle valves work in concert with Precision Multi-Point Fuel Injection to ensure a precise mix of air and fuel. In addition, six individual sensors constantly provide vital atmospheric and engine conditions to the Engine Control Module (ECM), which makes adjustments for performance.
From the top of the cowling to the tip of the propeller shaft, every ounce of weight-savings has been realized for maximum performance without sacrificing durability.

Revver Master Site OUTBOARDS

LEGENDARY 96% RELIABILITY**

Miles offshore, there’s nothing more important than your outboard’s reliability. Over years of proven performance, Yamaha’s offshore 4.2L V6 has recorded 96 percent reliability.** This outstanding track record makes it an even smarter choice offshore.

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Revver Master Site OUTBOARDS

V6 4.2 L Specs

  • V6 4.2L 300 HP

    Our 4.2-liter F300 is a reliable, offshore favorite—and it's only getting better. It now features a fresh, new cowling design (with stern light if rigged with Helm Master® EX), new integrated digital electric steering*, rerouted exhaust for enhance reverse thrust and is available in Yamaha gray or pearlescent white. It’s destined to be a top choice offshore for years to come.

    Engine Type V6
    Displacement 4.2L
    Bore x Stroke 96 x 96mm (3.78 x 3.78 in)
    Prop Shaft Horsepower 300hp at 5500 rpm
    Full Throttle RPM Range 5000 ~ 6000 rpm
    Alternator Output at W.O.T. 50 – 70 Amp
    Compression Ratio 10.3:1
    Fuel Induction System EFI
    Weight † 250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs)
    Recommended Fuel Octane 89
    Recommended Engine Oil Yamalube® 4M (See owner’s manual)
    Recommended Fuel Filtration Yamaha 10-Micron Fuel / Water Separating Filter (external)

  • V6 4.2L 250 HP

    Our 4.2-liter F250 is perfect for offshore dual or center consoles, walkarounds, runabouts and pontoons. It allows you to step up your horsepower and displacement without rerigging. Only now, it features a fresh, new cowling design (with stern light if rigged with Helm Master® EX), new integrated digital electric steering* and rerouted exhaust for enhanced reverse thrust. It just proves even the best can get even better.

    Engine Type V6
    Displacement 4.2L
    Bore x Stroke 96 x 96mm (3.78 x 3.78in)
    Prop Shaft Horsepower 250hp at 5500 rpm
    Full Throttle RPM Range 5000 ~ 6000 rpm
    Alternator Output at W.O.T. 50 – 70 Amp
    Compression Ratio 10.3:1
    Fuel Induction System EFI
    Weight † 250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs)
    Recommended Fuel Octane 87
    Recommended Engine Oil Yamalube® 4M (See owner’s manual)
    Recommended Fuel Filtration Yamaha 10-Micron Fuel / Water Separating Filter (external)

  • V6 4.2L 225 HP

    Perfect for 20-foot decks or deep-Vs, the versatile 4.2-liter F225 allows you to increase your displacement without replacing your rigging.

    Engine Type V6
    Displacement 4.2L
    Bore x Stroke 96 x 96mm (3.78 x 3.78 in)
    Prop Shaft Horsepower 225hp at 5500 rpm
    Full Throttle RPM Range 5000 ~ 6000 rpm
    Alternator Output at W.O.T. 50 – 70 Amp
    Compression Ratio 10.3:1
    Fuel Induction System EFI
    Weight † 250 kg (551 lbs) – 254 kg (562 lbs)
    Recommended Fuel Octane 87
    Recommended Engine Oil Yamalube® 4M (See owner’s manual)
    Recommended Fuel Filtration Yamaha 10-Micron Fuel/Water Separating Filter (external)

Interested In A V6 4.2 L?

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