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Personalized Performance. Design the perfect 450R to complement your boat.

Accent Panel Color Gear Case Options Chassis Color
450R Engine
Only available with Sport Master Gear Case
Accent Panel Color
Chassis Color
Gear Case Options

Full Specs

Download Specs PDF
  • Rated Horsepower
  • kW
  • Idle RPM
  • Max RPM at Full Throttle
  • 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
  • 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
  • Cambered Skeg
  • Gear Shift
  • 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
  • CARB Star Rating3
  • Colors
    Phantom Black or Cold Fusion White
  • Warranty
    3-Year Limited

1Dry weight refers to base engine without liquids, battery cables, bolt-on steering components, mounting hardware, or propeller/hub kits.
2Add 13 pounds (5.90 kilograms) for rear tie-bar models.
3Worldwide emissions calibration certification.



Outboard CNC Cleaver

The highly polished CNC Cleaver props resulted from a need for a durable surface-piercing propeller design with stamina to transfer the massive torque of Mercury Racing’s QC4 engine packages.

  • Pitch
    26” - 37”
  • Rotation
    RH & LH
  • Finish
    Lab Finish
  • Diameter
    14.75" – 15.50”
  • Compatible Gearcase
    5.44" HD, Sport Master


The MAX5 propeller, developed and hand-crafted by the Mercury Racing Propeller Artisans, is designed for single and multiple engine applications. Providing a measurable reduction in propeller slip, (up to 12%, the MAX 5 prop is so efficient; builders are finding they can run it higher to take full advantage of engines fitted with the race-proven Sport Master gearcase.

  • Pitch
    22.3" - 34"
  • Rotation
    LH & RH
  • Finish
    Lab Finish
  • Diameter
    15" & 15.25"
  • Compatible Gearcase
    5.44" HD, Sport Master

Bravo I FS

The Bravo I FS propeller delivers unmatched time-to-plane performance, mid-range punch, mid-range cruise and top-end speeds for outboard bass, flats, cat flats, bay boats, offshore center consoles under medium to heavy load.

  • Pitch
    20” - 37"
  • Rotation
    RH & LH
  • Finish
    Pro Finish
  • Diameter
  • Compatible Gearcase
    5.44" HD

Bravo I LT

The Bravo I LT will help you achieve your hole shot, on-plane efficiency and fuel economy goals while under a load. Suitable for multi-species, bay, walleye, and center console boats that require more stern lift. The Bravo I LT offers an optimized ride quality.

  • Pitch
    19" - 29"
  • Rotation
    RH & LH
  • Finish
    Pro Finish
  • Diameter
  • Compatible Gearcase
    5.44" HD

Enertia Eco XP

The Enertia® ECO XP propeller provides extreme precision when dialing in engine speed for maximized power output and efficiency.

  • Pitch
    16.5" - 22.5"
  • Rotation
    RH & LH
  • Finish
    Pro Finish
  • Diameter
  • Compatible Gearcase
    5.44" HD

Revolution 4® XP

The Revolution 4 XP propeller provides extreme precision when dialing in multi-engine, stepped bottom performance center consoles (twin, triple, quad, and quint installations) and single-engine bay boats.

  • Pitch
    13" - 26.5"
  • Rotation
    RH & LH
  • Finish
    Pro Finish
  • Diameter
  • Compatible Gearcase
    5.44" HD


Digital Zero Effort Controls

Digital Zero Effort Controls® replace the lag and hesitation of traditional throttle and shift cables with digital precision, delivering smooth shifting and instant throttle response. Intuitive controls also provide throttle synchronization and shadow mode for up to six engines.

Joystick Piloting

Effortlessly maneuver in tight spaces with the fingertip control. Joystick Piloting for Outboards (JPO) integrates throttle, shift and steering control into a single joystick for unmatched agility at low speeds. Joystick Piloting is available as part of the complete SmartCraft® package, which includes Digital Throttle & Shift, Skyhook® digital anchor, integrated AutoPilot and Mercury VesselView® displays.

Performance Active Trim

Performance Active Trim automatically adjusts motor trim levels to optimize efficiency across the entire RPM range. At speeds in excess of 50 mph, active trim seamlessly transitions back to manual operation to give the operator greater control at high speeds. Boaters can also choose from five trim profiles to automatically accommodate a specific driving style or a change in boat load or weather conditions.