Racing 450R

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.

• kW

  336
• HP

  450

  Idle RPM

  600
• 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

  5.44” HD
• Gearcase 450R Sport Master

  Sport Master
• Gear Ratio

  1.60:1
• Cambered Skeg

  Available
• Gear Shift

  F-N-R
• Dry Weight (lbs./kg)^1,2
• 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
• Mounting Centers

  26”
• CARB Star Rating³

  3-Star
• Colors

  Phantom Black or Cold Fusion White
• Warranty

  3-Year Limited