Mercruiser – Towsport 5.7 MPI

Specifications

Power – 315 (235 kW)
Full Throttle Range – 4600 – 5000 RPM
Displacement – 350 CID (5.7L)
Engine Type – V8
SmartCraft® Ready – Yes
Bore & Stroke – 4.00″ X 3.48″ (101mm X 88mm)
Compression Ratio – 9.4:1
Fuel Requirement – 87 Octane (R+M)/2
Engine Control System – ECM 555 with SmartCraft CAN Capability
Fuel Delivery System – Gen II Cool Fuel with Boost Pump
Fuel Injection System – Multi-Point Electronic Fuel Injection
Induction System – 2-piece long runner intake with 75mm Throttle Body
Ignition System – Crank-fired High Voltage Switch w/Knock Control and Platinum Plugs
Charging System – 65 Amp/917 Watt Alternator w/Special Pulley Delivering 24 Amps @ Idle
Water Drain System – Optional
Exhaust System – Iron Manifold with Ceramic Coated Dry-joint Exhaust Elbow
Cooling System – Thermostatically Controlled, Raw Water, Brass Sea Water Pump
Accessory Drive System – Serpentine Belt
Recommended Engine Oil – MerCruiser Full Synthetic Engine Oil – SAE 20W-40
Engine Guardian System – Low Oil Pressure, High Coolant Temperature, Transmission Temperature, Low Sea Water Pressure, Low Voltage, Over-rev control, Knock Control
Velvet Drive 71C – 1.0:1
Walter V-Drive w/71C – 1.46:1
Dimensions (LxWxH) in – 43x30x22
Dimensions (LxWxH) mm – 1092x740x559
Weight w/ Velvet Drive – 813 (lbs.) / 369 (kg)