The all new circulating water pump will not only keep the engine running cool, it improves overall reliability and efficiency thanks to the use of more stainless steel components and easy access for maintenance. The improved low and mid range air flow packs the air into the intake track to build power, leading to improved, torque in these engines, optimising boat acceleration and time to plane. Performance-Tuned Scroll Intake Manifold.And with the electronic throttle body, acceleration is significantly more responsive and exciting. And holding a boat on plane at slow speeds is useful when navigating in following seas or in windy conditions, during tow sport activities, or whenever precision boat control is needed without a lot of speed. Holding RPM during hard turns allows the operator to keep both hands on wheel, which is not only safer, but makes for a more exciting and “sportier” driving experience.
The new throttle turns boating exhilaration up a notch. Electronic Throttle Body With Adaptive Speed Control (ASC).It also ensures reliable consistent starts, increased fuel efficiency, and better throttle response.
Mercury inboard engines full#
They also reduce the overall package weight of the boat, allowing it to take full advantage of the engine’s torque for quick acceleration and improved responsiveness.Īt 4.5 litres, the new MerCruiser V6 has been sized to deliver the torque levels needed for class-leading acceleration while striking the perfect balance for smooth operation, light weight, and most importantly without increasing the package size over current MerCruiser 4.3L or 5.0L models.ĮFI delivers the exact amount of fuel for all driving conditions. Lighter weight engines improve power-to-weight ratio and fuel efficiency. The result is increased throttle response and a sporty feel.ĭesigning a V6 block solely for marine use allows Mercury to build the 4.5L with the ultimate protection system, using cast-iron componentry where the engine intersects with seawater, and using corrosion-resistant aluminium and composites everywhere else. The 4.5L comes standard with Adaptive Speed Control, which automatically maintains engine rpm regardless of load or water conditions. The 4.5.L’s newly designed rear-facing throttle body, anti-whistle throttle plate, engine cover and mounts, lightweight flywheel, fuel-supply module, and structural oil pan all work together to deliver a superior idle, smoothness and low vibration. Thanks to its new, long-runner scroll intake manifold which draws in more air and converts it into additional toruw, the 4.5L delivers a ground-breaking power-to-weight ratio and gives you V8 power in a V6 package.
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