525 EFI
Horsepower 525 (410 kW)
Full Throttle RPM Range 4800-5200
Displacement Liter/C.I.D 8.2/502
Bore (in/mm) 4.47/113
Stroke (in/mm) 4.00/102
Compression Ratio 8.75:1
Cylinders V-8
Alternator (amp/watt) 90/1269
Ignition Type PCM Distributorless
Fuel System MPI
Fuel Requirements 87 Posted Pump Octane (R+M/2), (92 RON) International
Transmission Mercury Racing Dry-Sump
Drive Unit Bravo One XR**, Bravo One XR Sport Master (Std.& Short)** NXT¹®* or NXT6 SSM Drive*
Gear Ratio Bravo One XR & Bravo One XR Sport Master (Std.& Short) 1.26:1, 1.35:1, 1.50:1; Bravo Three XR 1.65:1, 1.81:1 or 2.00:1, and Dry Sump Six Drive*
Length (in/mm) 39.5/1003 (Transom mount to front of engine)
Width (in/mm) 34/864
Height (in/mm) 24/610
Weight (lbs/kg) 1201/545
Warranty 1-Year Limited for Recreational Boating; 3-Year Limited Corrosion†
*Application dependent. Contact Mercury Racing for additional information.
** ITS is optional for all Bravo One and Bravo Three drives.
† Applies to Bravo drive packages only.

Suitable for

  • Catamaran Race
  • Catamaran Sport/Poker Runner
  • Sport Cruiser
  • Vee-Bottom Race
  • Vee-Bottom Sport/Poker Runner