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Mercury Racing 400 hobujõudu V10 Heavy Duty premium võidusõidu paadimootor pika võlliga Eesti professionaalsetele võistlustele ja eliit kiiruspaatidele

Mercury Racing 400R V10 (HD)

Price range: €54,242.00 through €55,172.00

Mercury Racing 400R is a 5.7L V10 outboard built for pure performance. It delivers more low-end torque, more peak horsepower and a higher rpm range than any other outboard in its class, ideal for performance center-consoles and catamarans running well beyond 75 mph.

  • 5.7L naturally aspirated V10 with QC4 four-valve design
  • Racing Advanced MidSection (Racing AMS) with optional rear tie-bar
  • Sport Master or 5.44" HD gearcase options
  • Runs on readily available 87-octane (91 RON) fuel

Technical data

Engine Mercury Racing 400R
Horsepower 400 HP / 298 kW
Max WOT RPM 6000–6600
Engine type V10, 64° bank angle, 40-valve Dual Overhead Cam (DOHC)
Displacement 5.7 L / 349 CID
Induction system Naturally aspirated, QC4 Quad Cam Four Valve design
Fuel requirement Unleaded 87 Octane minimum (R+M/2) or 91 RON
Charging output 150 A / 1890 W
Throttle & shift Digital Throttle & Shift (DTS)
Midsection Racing Advanced MidSection (Racing AMS)
Integrated rear tie-bar bracket Available
Shaft lengths 20", 25", 30" and 35"
Gearcase options Sport Master or 5.44" HD
Gear ratio 1.60:1
Dry weight 695 lbs / 315 kg (lightest model)
Warranty 3-year limited; up to 5 years with Mercury Product Protection
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Pure V10 performance

The Mercury Racing 400R outboard is designed for boaters who demand maximum torque, top-end power and precise high-speed control. It offers more low-end pull, more peak horsepower and a higher rpm range than any outboard in its category. This makes it a perfect match for performance center-console boats and catamarans that routinely run faster than 75 mph.

QC4 breathing and power

A 5.7L V10 powerhead with Quad Cam Four Valve (QC4) technology sits at the heart of the 400R. Double overhead camshafts and four-valve aluminum cylinder heads allow the engine to breathe deeply at all rpm. A proprietary 92 mm throttle body and tuned intake work with the QC4 heads to maximize airflow and power.

The heavy-duty throttle body servo produces instant throttle response. A Mercury Racing fuel pressure sensor maintains precise fueling during acceleration. The wide 6000–6600 rpm WOT range supports strong peak horsepower and offers a broad window for optimising propeller choice on different hull types.

Racing AMS midsection

The exclusive Racing Advanced MidSection (Racing AMS) supports the V10 with tight-tolerance guide plates and stiff engine mounts. This setup stabilises the engine and improves high-speed handling. An optional integrated rear tie-bar bracket offers a strong and lightweight mounting point for precision steering on catamarans and other ultra-high-speed applications. The Racing AMS also isolates the powerhead from the transom to keep operation smooth and quiet.

Gearcase options for every hull

Two gearcase options let you tailor the 400R to your boat. The race-proven Sport Master gearcase is a surface-piercing design for boats capable of more than 85 mph and features low water pickups with a crescent leading edge for maximum efficiency. The Mercury Racing 5.44 HD gearcase is ideal for heavy bay boats and multi-engine performance center-consoles that need a more submerged gearcase and extra stern lift. Both options use a 1.60:1 gear ratio.

Styling, fuel and controls

Customers can choose Phantom Black or Cold Fusion White, each with Mercury Racing graphics and Devil Red Eye trim. A base Phantom Black version is also available without graphics for custom paint projects. Graphics and an application mask are supplied for installation after painting.

All of this performance is delivered on readily available 87-octane (91 RON) fuel. Digital Throttle & Shift (DTS) provides smooth shifting and precise throttle response, while a high-capacity 150 amp charging system supports modern electronics and onboard systems.