300R
300R

300R

Take the lead and never look back with the Mercury Racing 300R outboard.Featuring a rock-solid 15-inch HD Conventional MidSection (HD CMS), this adrenaline-pumpingV8 powerhouse brings modern R-Series four-stroke technology to high-performance sport, flatsand bass boats. Whether you’re replacing a high-output two-stroke or building your new dreammachine, experience the ultimate fusion of breathtaking speed and control.

 

Product details 4.6L V8 300R
Horsepower (HP/KW) 300/224
WOT RPM 5800-6400
Engine type V8 (32-valve DOHC) Naturally Aspirated Four Stroke
Displacement (LITER/CID) 4.6 / 279
Induction system Custom Racing Short-Runner Intake Manifold
Fuel requirements Unleaded 87 Octane Minimum (R+M/2) or 90 RON
Oil requirement MRX 10W-30 or Mercury 10W-30 Full Synthetic
Charging (AMP/WATT) 115 / 1449 - AMS or 85/1071 - CMS
Throttle & shift Digital Throttle & Shift (DTS) or Mechanical
Midsection Heavy Duty Short Mid Section with Solid Mounts; Remote Trim Pump
Gearcase Torque Master Sport Master
Gearcase ratio Torque Master: 1.75 Sport Master: 1.60 or 1.75
Dry weight (LB/KG) 545lbs/247kg

For more information about this product, see the brand's official website.