Mercruiser Tow Sport 5.7 MPI – MerCruiser Scorpion Tow Sports Inboards are built and designed to give you the perfect pulling power with just the right amount of torque. There's more to Scorpion than just muscle. With SmartCraft technology, you get unmatched peace of mind with Engine Guardian, along with optimum fuel economy and performance thanks to the computer-controlled multiport fuel injection.

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)