Specifications

Mercury® Remanufacturing: Plus-Series Bravo Sterndrives

 357 MAG Bravo 4V
Part number
  • 865108R85
HP / kW @ flywheel
  • 325 / 242
Maximum RPM (WOT)
  • 4400 - 4800
Engine type
  • V-8 Remanufactured Iron Marine Block
Displacement (L)
  • 357 / 5.8
Displacement (CID/L)
  • 357 / 5.8
Bore and stroke
  • 4.04 x 3.48" / 103 x 88 mm
Compression ratio
  • 9.4:1
Fuel ethanol tolerance
  • Up to 10%
Engine control system
  • Thunderbolt V w/Knock Control
Fuel delivery system
  • 4V carburetor and electric fuel pump
Fuel injection system / carburetor type
  • 750 cfm Weber 4V with electric choke
Air induction
  • Dual plane aluminum intake manifold with brass water crossover
Alternator amp / Watt
  • 65 amp / 917 watt
Water drain system
  • Multi-point drain
Exhaust system
  • Electro-deposition paint coated warm iron manifold with wet joint elbow
Cooling system
  • 160F Raw Water
Accessory drive system
  • Serpentine belt
Lubrication system
  • High Flow 60 psi Oil Pump
Recommended oil
  • Mercury MerCruiser Synthetic Blend 25W-40, NMMA Certified FC-W Synthetic Blend
Pistons
  • Cast Hypereutectic Alloy
Cranktrain
  • Powder Metal Rods and Nodular Iron Crankshaft
Rocker arms
  • 1.5:1 Stamped Steel
Dimensions (L x W x H)
  • 32 x 30 x 22" / 814 x 740 x 559 mm
Weight (engine only)
  • 871 lbs / 395 kg
Compatible drives (application dependent - contact sales or service)
  • Bravo One 1.50:1
  • Bravo One 1.65:1
  • Bravo Three 2.00:1
  • Bravo Three 2.20:1
  • Bravo Three 2.43:1
  • Bravo Two 2.00:1
  • Bravo Two 2.20:1
  • Bravo Two 2.43:1

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