Mercury Racing
400R
The Mercury Racing V10 400R offers more low-end torque, more peak horsepower and a higher rpm range than any outboard in its category. This is the perfect prescription for performance center-console boats and catamarans capable of speeds well beyond 75 mph – the potent performance and drivability only Mercury Racing can offer.
Overview
WIDE OPEN POWER & TECHNOLOGY
The Mercury Racing V10 400R offers more low-end torque, more peak horsepower and a higher rpm range than any outboard in its category. This is the perfect prescription for performance center-console boats and catamarans capable of speeds well beyond 75 mph – the potent performance and drivability only Mercury Racing can offer.
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 a proprietary 92mm throttle body and tuned
intake to maximize airflow and power.
For instant throttle response, we’ve installed a Mercury Racing heavy-duty throttle body servo motor and fuel pressure sensor.
Transient Spark Technology digitally adjusts spark timing to optimize low-end torque without sacrificing top-end horsepower.
Advanced Range Optimization utilizes electronic sensors to precisely adjust the fuel mixture for the best-possible efficiency at all speeds.
A 6000-6600 WOT RPM range enhances peak horsepower and provides a broad window for propping any performance hull type.
All of this thrilling power and performance is produced on readily available 87 octane (91 RON) fuel.
400R
Call for price
The Mercury Racing V10 400R offers more low-end torque, more peak horsepower and a higher rpm range than any outboard in its category. This is the perfect prescription for performance center-console boats and catamarans capable of speeds well beyond 75 mph – the potent performance and drivability only Mercury Racing can offer.
Specifications
| Horsepower [HP/KW] | 400 / 298 |
| Max 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 87 Octane Minimum (R+M/2) or 90 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 |
| GEAR RATIO | 1.60:1 |
| DRY WEIGHT [LB/KG] | 695 / 315 |
| WARRANTY | 3-Year Limited |
Key Features
Deep-Breathing QC4 Technology
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.
Exclusive 92mm Throttle Body
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.
Warranty
3 Year Limited Warranty (Pleasure use only, only if serviced by an Authorised Dealer)
World-class marine products backed by world-class warranties. We stand behind everything we build, and we go the extra mile to make sure your Mercury experience is the best it can be – on the water and off.
Downloads
Description
WIDE OPEN POWER & TECHNOLOGY
The Mercury Racing V10 400R offers more low-end torque, more peak horsepower and a higher rpm range than any outboard in its category. This is the perfect prescription for performance center-console boats and catamarans capable of speeds well beyond 75 mph – the potent performance and drivability only Mercury Racing can offer.
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 a proprietary 92mm throttle body and tuned
intake to maximize airflow and power.
For instant throttle response, we’ve installed a Mercury Racing heavy-duty throttle body servo motor and fuel pressure sensor.
Transient Spark Technology digitally adjusts spark timing to optimize low-end torque without sacrificing top-end horsepower.
Advanced Range Optimization utilizes electronic sensors to precisely adjust the fuel mixture for the best-possible efficiency at all speeds.
A 6000-6600 WOT RPM range enhances peak horsepower and provides a broad window for propping any performance hull type.
All of this thrilling power and performance is produced on readily available 87 octane (91 RON) fuel.
Additional information
| Engine Type | Outboard |
|---|---|
| Usage | Performance |
| Engine Size | Large (150HP+) |
| Manufacturer Outboard | Mercury Racing |
