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Specifications
- Manufacturer: Mercury
- Model: 450R
- Type: Racing
- Full Throttle Rpm: 5800-6400
- Rated Hp: 450
- Cylinders: V8
- Displacement: 4.6 L
- Shaft Length: 20, 25 or 30
- Trim System: Power Trim and Tilt
- Mid Section: Race AMS
- Skeg: Straight or Camber
- Warranty: 3-Year²
- Bore & Stroke: 3.6 x 3.4 IN/92 x 86 MM
- Induction System: Supercharged with Charge Air Cooling and Electronic Boost Control
- Fuel Requirement: Unleaded Regular 89 Octane Minimum (R+M/2) or 95 RON 10% Ethanol Maximum
- Fuel System: Electronic Fuel Injection (EFI) Computer Controlled
- Ignition System: SmartCraft PCM 112 Digital Inductive
- Charging: 115 AMP
- Starting: SmartStart Electric
- Oil Requirement: NMMA Certified FCW SAE 25W-50
- Carb Star Rating: 3-Star
- Minimum Centerline Mounting Distance: 26 IN
- Steering: Electro-Hydraulic Power Steering with Integral Steering Cylinder
- Throttle & Shift Controls: DTS
- Gear Ratio: 1.60:1
- Dry Weight: 689 LBS
- Idle Rpm: 600
- Mounts: Hard Rubber
- Max Trim Range: 73° (-6° to 67°)
- Max Tilt Range: 20° (-6° to 14°)
- Troll Control (Rpm): 600-1200
- Engine Type: V-8 SC 4S
- Cooling System: Water-cooled with Thermostat Control
- Engine Management System: SmartCraft PCM 112
- Engine Protection System: SmartCraft Engine Guardian
- Exhaust System: Selectable
- Lubrication System: Integrated wet sump with oil cooler
- Oil Capacity: 6.6 L
- Steering Angle: + / - 30°
- Gear Shift: F-N-R