Seven Marine 557 Outboard Test Run | Boating Magazine

Seven Marine 557 Outboard Test Run

World’s Most Powerful Outboards Spotted

Seven Marine 557 Test Spotted

Seven Marine's 557 outboards were recently spotted while out for a test run on a Midnight Express.

Seven Marine 557 Test Spotted

Seven Marine 557 Test Spotted

Seven Marine 557 Test Spotted

Seven Marine 557 Test Spotted

Seven Marine 557 Test Spotted

Seven Marine 557 Test Spotted

Timing is everything. While testing boats in Biscayne Bay, Florida last week, this Midnight Express powered by triple Seven Marine 557’s roared past. Sources tell us it’s a 100-mph boat, but we can’t confirm that speed.

Read More About The Seven Marine 557

But we can say that it’s fast. We were aboard a Formula 355 Stiletto powered by twin Ilmore MV-8 570s. That boat's mid-eighties top-speed allowed us to catch up to the Seven-powered Midnight Express at a no-wake zone in time to snap these images.

We are trying to schedule a sea trial of the Seven Marine 557 outboards. Until then, these paparazzi-like pics will have to do.

Takeaway: The fastest boat on record is Ken Warby’s Spirit of Australia, which hit 317.6 mph in 1978.

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