Performance you will feel – instantly. A new naturally aspirated V10 5.7-liter powerhead features the deep-breathing Mercury Racing Quad Cam Four Valve (QC4) design with proprietary 92mm throttle body and tuned intake to maximize airflow and power.
A proprietary 92mm throttle body and tuned intake work with the QC4 head to maximize airflow and power. The exclusive heavy duty throttle body servo motor is designed to produce instant throttle response, while a Mercury Racing fuel pressure sensor provides precise fueling under acceleration to further enhance throttle response.
The exclusive Mercury Racing Advanced MidSection (AMS) is engineered meet the demands of high-performance boat operation. It supports and isolates the powerhead from the transom to ensure run quality is smooth and quiet at all speeds.
Stiffened engine mounts and precision-fitted heavy-duty guide plates stabilize the engine for enhanced high-speed handling.
An optional rear tie-bar bracket integral to the Racing AMS provides a strong, ultra-light mounting point for rock-solid precision steering on catamaran and other ultra-high-speed applications.
The Mercury Racing 5.44 HD gearcase option is ideal for heavy bay boats and multi-engine performance center console boats that require a more-submerged gearcase and benefit from added stern lift. It features a 1.60:1 gear ratio.
The race-proven Sport Master gearcase is a surface-piercing design intended for boats capable of exceeding 85 mph, and features low water pick-ups and a crescent leading edge to maximize speed and efficiency. It also features a 1.60:1 gear ratio.
The new Mercury Racing® Ventera™ propeller is designed to handle big outboard horsepower on fast center consoles, day cruisers and bay boats. This 15-inch diameter, four-blade prop was engineered specifically to carry more load with greater efficiency at high speeds and in semi-surfacing installations.
Product Details
| Horsepower (HP/KW) | 400 / 298 |
| WOT RPM | 6000-6600 |
| Engine Type | V10 (64-degree) with 40-Valve Dual Overhead Cam (DOHC) |
| Displacement (Liter/CID) | 5.7 / 349 |
| Induction System | Naturally Aspirated |
| Fuel Requirements | Unleaded Regular 87 Octane Minimum (R+M/2) or 91 RON |
| Charging (AMP/WATT) | 150 / 1890 |
| Throttle & Shift | Digital Throttle & Shift |
| Midsection | Racing Advanced Midsection |
| Integrated Rear Tie Bar Bracket | Available |
| Shaft Lengths (Inch) | 20, 25, 30, & 35 |
| Gearcase | Sport Master or 5.44" HD |
| Gearcase Ratio | 1:60:1 |
| Dry Weight (LB/KG) | 695 / 315 |
| Warranty | 3-Year Limited |
| Engine Make | Mercury |
|---|---|
| Horse Power | 400 |
Watersports Marine offer great package deals - boat, motor and trailer, we can have you on the water with a tailor made combination, plus we'll support you all the way through your boating experience as you will benefit from us having over 100 years of experience.
