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) |
