The Adaptive Speed Control feature lets you maintain engine rpm despite changes in load or conditions. Climbing large swells is easier. Cruising at low speeds is smoother. Carving out tight turns is effortless.
四冲程 250-300马力
4.6L V8
Mercury 4.6L V8 250 和 300hp FourStroke 舷外机具有传奇般的性能，全方位提升划行体验。可靠、舒适、动力强劲、易于操控、轻松拥有、灵活性强。适用于任何水域和各种船只，Mercury FourStroke 舷外机的方方面面都经过精心设计，让您尽享水上乐趣。
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Learn more about how Mercury makes great days on the water possible.
Intuitive, Innovative Features
Adaptive Speed Control
Smooth and Quiet
Featuring a large muffler and a vibration-dampening cowl design, Mercury V8 FourStroke outboards deliver an exceptionally smooth, quiet ride at any speed.
Easy to Maintain
The exclusive Top Cowl Service Door simplifies routine maintenance, letting you check or add engine oil without removing the top cowl. An hour-based maintenance schedule decal is located under the cowl, providing a quick overview of routine maintenance.
Ample Charging Output
A powerful alternator delivers 85 amps of charging power at wide-open throttle – perfect for keeping onboard electronics running long into the fun.
Industry-Exclusive Battery Management Technology
When needed, the idle charge battery management system works for you by monitoring battery voltage and adjusting engine rpm at idle to boost alternator output.
Fourstroke Performance Data
Exceptionally Smooth & Quiet
The V8 300hp FourStroke outboard is 33% quieter at cruise with 30% less transmitted vibration at idle than the leading four-stroke competitor.
High Displacement
The high-displacement, quad-cam design of the V8 FourStroke powerhead generates serious torque, especially at mid-range, for quick acceleration and exciting speeds.
Light & Compact
The V8 300hp FourStroke outboard is the lightest in the 300hp class by more than 20 pounds. Both V8 models mount on 26-inch centers for easy repowers or new installation on a wide range of boats.
四冲程优势
舒适
水星四冲程舷外机采用平衡的动力头和精致的减振顶罩设计，在任何速度下都能提供异常平稳和安静的行驶体验。
耐用
优质的防腐技术和耐用的组件可确保 FourStroke 舷外机能够承受最严苛的海洋环境。
紧凑型设计
水星四冲程舷外机的机身纤细，适用于大多数横梁（包括那些发动机井狭窄且电机间距紧密的横梁），非常适合作为新动力装置安装或者更换原有的动力装置
高效
得益于出色的功重比、智能燃油系统和优化的燃油喷射功能（在大多数型号上配备），充分发挥每滴燃油的作用，让您航行的时间更长、探索的距离更远
Engine Specifications by Horsepower
SmartCraft® The Power to Do More
SmartCraft® is a full suite of digital technologies, fully integrated and totally coordinated. Gauges, sensors, vessel systems, computer-controlled features – one total package, one high level of control. Make your boating experience easier, safer and a lot more enjoyable.
Time for New Power?
Replacing an old outboard can deliver improved performance and reliability, increased fuel economy and better handling for a more enjoyable boating experience. The entire family of FourStroke outboards is lightweight and compact, making those engines perfect for repowering older boats.
保修和维护
保修范围
水星生产世界一流的船用产品，并提供世界一流的质保。
维护
水星四冲程舷外机经过精心设计，可最大限度减少维护，让您的水上时光充满乐趣。
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