Specifications
- Manufacturer: Mercury
- Model: 300R
- Type: Racing
- Full Throttle Rpm: 5800-6400
- Rated Hp: 300
- Cylinders: V8
- Displacement: 4.6 L
- Shaft Length: 20, 25, or 30
- Trim System: Standard or Heavy Duty
- Mid Section: Standard, Heavy Duty or Racing AMS
- Skeg: Camber or Straight
- Warranty: 3-Year²
- Bore & Stroke: 3.6 x 3.4 IN/92 x 86 MM
- Induction System: Custom Racing Short-Runner Intake Manifold
- Fuel Requirement: Unleaded Regular 87 Octane Minimum (R+M/2) Or 91 RON 10% Ethanol Maximum
- Fuel System: Electronic Fuel Injection (EFI) Computer Controlled With Advanced Range Optimization
- Ignition System: Digital Inductive
- Charging: 115 (AMS) / 85 (CMS)
- Idle Charge: Yes
- Starting: Electric Start With SmartStart Protection
- Oil Requirement: NMMA Certified FCW SAE 10W-30
- Jpo Option: N (CMS), Optional (AMS)
- Throttle & Shift Controls: DTS (AMS), DTS or Mechanical (CMS)
- Gearcase: Torque Master, Sport Master or 5.44 HD
- Gear Ratio: 1.85 (AMS), 1.75:1 (CMS) or 1.60:1 (CMS, AMS)
- Dry Weight: 512 LBS
- Carb Star Rating: 3
- Minimum Centerline Mounting Distance (In): 26
- Steering: Electro-Hydraulic Power Steering
- Tie Bar Option: Integrated (AMS), Bracket (CMS)
- Idle Rpm: 600
- Mounts: Hard Rubber or Solid
- Engine Type: V-8 NA 4S
- Lubrication System: Integrated Wet Sump
- Gear Shift: F-N-R
- Engine Management System: SmartCraft PCM 112
- Engine Protection System: SmartCraft Engine Guardian
- Exhaust System: Selectable
- Oil Capacity: 6.6L
- Steering Angle: '+ / - 30°