Mercruiser Scorpion 377 Tow Sport – 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 | 340 hp (254 kW) |
| Full Throttle Range | 4800 – 5200 RPM |
| Displacement | 377 CID (6.2L) |
| Engine Type | V8 |
| SmartCraft® | Yes |
| Engine Control System | ECM 555 with SmartCraft CAN Capability |
| Fuel Injection System | Multi-Point Electronic Fuel Injection |
| Water Drain System | Optional |
| Velvet Drive 71C | 1.0:1 |
| Walter V-Drive w/71C | 1.46:1 |
| Weight w/ Velvet Drive (lbs./kg) | 821/373 |