Introducing the Supercharged 450R
We know what moves you. Freedom. Wide-open throttles in wide-open spaces. This is the outboard you’ve been waiting for. Meet the supercharged Mercury Racing 450R. Performance without compromise. The fastest, most powerful outboard ever offered by Mercury Racing. We’ve reset industry benchmarks across the board. Our engineers dreamed bigger and pushed harder. The results are truly exceptional. Technology should make your time on the water easier, not challenging. Our innovations are user-friendly and cutting-edge.
The reliability to go Wide Open, all day. The 450R delivers unprecedented power with amazing efficiency. And it’s backed by a three-year limited warranty.

-
-
-
Max RPM at Full Throttle
5800-6400
-
Cylinders/Engine Configuration
V8 [64 degree] with 32-valve Dual Overhead Cam [DOHC]
-
Displacement (Cubic Inch, CID) / (Liters, L)
279 CID / 4.6L
-
Bore & Stroke (in.) / (mm)
3.6 in x 3.4 in / 92 mm x 86 mm
-
Induction System
Supercharged with Charge Air Cooling and Electronic Boost Control
-
Midsection Design
Advanced Midsection with heavy-duty guide plates and stiffened engine mounts for enhanced high-speed handling
-
Fuel System
Electronic Fuel Injection (EFI)
Computer Controlled
-
Fuel Requirements
Unleaded Regular 89
Octane Minimum (R+M/2) or 95 RON
10% Ethanol Maximum
-
Ignition System
SmartCraft PCM 112 Digital Inductive
-
Charging System
115-amp (1449 Watt)
-
Starting
SmartStart Electric
-
Exhaust System
Selectable
-
Cooling System
Water-cooled with thermostat control
-
Lubrication System
Integrated wet sump with oil cooler
-
Oil Requirements
NMMA Certified FCW SAE 25W-50
-
Oil Capacity (qts) / (L)
7.0 Quarts / 6.6 Liters
-
Engine Management System
SmartCraft PCM 112
-
Throttle and Shift Controls
Digital Throttle & Shift
-
Engine Protection System
SmartCraft Engine Guardian
-
Trim/Tilt System
Power trim and tilt
-
Maximum Tilt Range
73° (-6° to 67°)
-
Maximum Trim Range
20° (-6° to 14°)
-
Troll Control
600-1200 RPM
-
-
Gearcase 450R Sport Master
Sport Master
-
-
-
-
-
L – 20″
689/313 (450R) | 700/318 (Sport Master)
-
XL – 25″
702/318 (450R) | 714/324 (Sport Master)
-
XXL – 30″
715/324 (450R) | 725/329 (Sport Master)
-
Steering Angle
+/- 30 degrees
-
Steering
Electro-Hydraulic Power Steering with Integral Steering Cylinder
-
-
-
Colors
Phantom Black or Cold Fusion White
-