2010 Mercury MerCruiser InBoard 8.1S Horizon

Specifications

• Engine Type : V8
• Bore & Stroke (in/mm) : 4.25 x 4.38 (108 x 111)
• Compression Ratio : 9.1:1
• Cooling System : Closed Cooling, Long Life 5-Year Anti-Freeze, Brass Sea Water Pump
• Ignition System : Distributorless Ignition w/ Knock Control & Platinum Spark Plugs
• Charging System : 65 Amp/917 Watt Alternator
• Accessory Drive System : Serpentine Belt, Stainless Steel Spring Automatic Tensioner
• Engine Guardian System : Low Oil Pressure, High Coolant Temperature, High Exhaust Manifold Temperature, Low Sea Water Pressure, Low Voltage, Over-Rev Control, Knock Control, Transmission Temperature, Low Transmission Fluid Pressure (DTS Only)
• Engine Control System : PCM 555 w/ SmartCraft CAN Capability - DTS Optional
• Fuel Requirements : 87 Octane (R M)/2
• Fuel Delivery System : Gen III Cool Fuel
• Fuel Injection System : Sequential Multi-Point Electronic Fuel Injection
• Water Drain System : Single Point Air-Actuated
• Velvet Drive 72C Remote V : 1.0:1
• ZF 80 A (Available w/DTS) : 2.85:1
• Velvet Drive 5000A : 1.25, 1.5, 2.0, 2.5,2.8:1
• Velvet Drive 5000V : 1.5, 2.0, 2.5:1
• ZF 63A (Available w/DTS) : 1.5, 2.0, 2.5,2.7:1
• ZF 63 IV (Available w/DTS) : 1.5, 2.0, 2.5:1
• Dimensions (LxWxH) in : 47 x 33 x 24
• Dimensions (LxWxH) mm : 1194 x 838 x 610
• Weight w/Velvet Drive (lbs./kg) : 1130/513
• Digital Throttle and Shift : Optional
• Exhaust System : Long Runner Cast Iron Manifolds w/ 316 Stainless Steel Tubular Dry Joint Elbows
• Recommended Engine Oil : SAE 25W-40 NMMA Certified FC-W
• Power : 370HP (276 kW)
• Displacement : 496 CID (8.1L)
• Induction System : 2-Piece Long Runner Intake w/ 75mm Throttle Body (80mm w/ DTS)
• Full Throttle Range : 4200 - 4600 RPM