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300hp mercury

Mercury 3-year warranty (Official Warranty)
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Outboard Motor Cover

Mercury Verado 300HP XXL Outboard Motor

Mercury Verado engines represent the pinnacle of superior outboard design and performance. Verado engines boast advanced engineering and refined operation for boat owners who refuse to compromise. Every Verado feature is designed to deliver the ultimate, most satisfying on-water experience.

Exceptionally Smooth & Quiet: The Advanced MidSection (AMS) moves engine mounts aft and outward to virtually eliminate vibration. Engine noise is minimized by a tuned multi-chamber air intake, fuel-injector covers that decrease high-frequency noise and a highly engineered cowl sealing system.

Effortless Operation: Verado outboards come standard with SmartCraft® Digital Throttle & Shift (DTS) for ultra-smooth shifting, instantaneous throttle response, as well as electro-hydraulic, automotive-style power steering that provides precision handling.

Adaptive Speed Control: Adaptive Speed Control on V8 Verado outboards automatically maintains the set rpm even as load or conditions change, with no adjustments to the throttle lever position – a first for the outboard industry.

Advanced Sound Control: Change the exhaust tone of a V8 Verado outboard with industry-exclusive Advanced Sound Control. The dual muffler system allows users to toggle between an ultra-quiet mode and a deeper, sportier tone.

Performance of 300hp mercury

The 300 HP Verado for our test was the first available in the country where two have been mounted onto a brand new Cap Camarat centre-console. Measuring 10.5 metres, with a displacement of 4 250 kg, this would be a tall order for most engines.

Being naturally-aspirated, Mercury assures that the outboard should prove smooth and quiet while optimizing fuel economy. Be it that the powerhead is large-displacement, it is designed for greater power and increased low- and mid-range torque, which directly impacts its acceleration. This should make it a great choice of outboard for both weightier boats, as well as for those skippers which require instant power instead of top speed.

It appears that there’s been a change of thinking from the folks creating Verados to rather opt for greater power by means of sheer displacement, fuel injection and electronic engine control – rather than just bolting on a supercharger, as was done in the previous six-cylinder model. It’s said to be efficient too, as the electronic fuel system continuously controls the fuel-air mixture in a closed-loop fuel system to ensure no petrol is wasted while giving ample thrust. Additionally, expect better hole-shot acceleration as Mercury uses what is known as a “Transient Spark”, which they claim adds 5-7% more torque at the low end.

Although the Advanced MidSection makes the Verado heavier than the other 4.6L V8 series engines that Mercury offers, it dampens vibration considerably and makes for a more comfortable to ride in. And, since vibrations translates into harmonics, less vibrations means reduced noise.

On acceleration, the vast amount of power is extremely notable! From zero to three quarters of throttle, the Cap Camarat is lively, jumping into action with little input from the power plants. Pushing the lever to full taps gets the hull to its designed top speed of 39 knots (into the wind) at 6 000 rpm. Throughout the throttle curve, the engines were deceivably quiet, making conversation on board easy to maintain. It’s difficult to comment on the fuel efficiency since the Mercury Verado 300 HP V8s were pushing a very weighty craft, but nevertheless, the results were in line with tests performed worldwide on comparable outboards. Without a shudder or stutter, these Mercury powerhouses are all they’re meant to be and comfortably make my list of top engine options.


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