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VIDEO: Mercury's 150 FourStroke is a real lightweight

Making its debut at the Fort Lauderdale International Boat Show, Mercury's 150 FourStroke will become the lightest 150-hp 4-stroke outboard on the market, according to the engine manufacturer.

The 455-pound, 3-liter, 4-cylinder engine weighs 55 pounds less than its predecessor (the Verado 4-cylinder 150) and can be used to power a variety of boats, from inshore bay boats to RIBs to offshore fishing and cruising boats, Mercury communications director Steve Fleming says.

Click play for more on the 150 FourStroke.

The 150 FourStroke also fits the bill for boaters choosing to repower, especially boats not designed for the weight of a 4-stroke, Fleming says. The new engine weighs only 24 pounds more than Mercury’s 150-hp OptiMax 2-stroke, he says.

Touting its durability, Mercury says it tested the 150 in severe conditions, including 20-foot swells off western Canada. The manufacturer tested the outboard for thousands of hours, Fleming says.

The 150 FourStroke is electronically fuel-injected and has a 60-amp alternator. It will be available in December.