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MerCruiser 496 MAG HO - 425 HP

MerCruiser 496 MAG

More performance drives are available than ever before with the MerCruiser 496 MAG and 496 MAG HO big block engines. Bravo X drives are optional on the 496 MAG. All XR drives are now available as well, including the Sport Master XR and new Bravo Three XR. The Mercury Racing transom is now standard equipment with XR drives, and the integrated Transom System with its built-in external steering and 7” standoff is now optional with any XR drive as well.

Specifications

  • Power 425HP (317 kW)
  • Full Throttle Range 4600-5000 RPM
  • Displacement 496 CiD (8.1L)
  • Engine Type V8
  • Bore & Stroke 4.25" X 4.38" (108mm X 111mm)
  • Compression Ratio 9.1:1
  • Fuel Requirement 87 Octane (R+M)/2
  • Engine Control System PCM 555 with SmartCraft CAN Capability
  • Fuel Delivery System Gen iii Cool Fuel
  • Fuel injection System Sequential Multi-Point Electronic Fuel injection
  • induction System 2-pieceLong Runner intake with 75mm Throttle Body (80mm w/DTS)
  • ignition System Distributorless ignition w/Knock Control and Platinum Spark Plugs
  • Charging System 65 Amp/917 Watt Alternator
  • Water Drain System Single Point Air-Actuated
  • Exhaust System Tuned Runner Exhaust Manifolds with 316 Stainless Steel Tubular Dry Joint Elbows
  • Cooling System Closed Cooling, Long Life 5-Year Anti-Freeze, Brass Sea Water Pump
  • Accessory Drive System Serpentine Belt, Stainless Steel Spring Automatic Tensioner
  • Recommended Engine Oil MerCruiser Full Synthetic Engine Oil - SAE 20W-40
  • Engine Guardian System Low Oil Pressure, High Coolant Temperature, High Exhaust Manifold Temperature, Low Drive Lube, Low Sea Water Pressure, Low Voltage, Over-rev control, Knock Control
  • Bravo One, Bravo One X Ratios 1.36, 1.50, 1.65(H)
  • Bravo Two, Bravo Two X Ratios 1.81, 2.00, 2.20(H)
  • Bravo Three, Bravo Three X Ratios 1.81, 2.00, 2.20,(H)
  • Bravo One XR Ratios 1.26, 1.35, 1.50
  • Bravo Three XR Ratios 2.0
  • Dimensions (LxWxH) in 35x 33 x 24
  • Dimensions (LxWxH) mm 878 x 838 x 610
  • Weight w/ Bravo One, X, XR (lbs./kg) 1199/544
  • Weight w/ Bravo Two, X (lbs./kg) 1214/551
  • Weight w/ Bravo Three, X (lbs./kg) 1224/556
  • Digital Throttle and Shift Optional