Suzuki Marine has made a big splash in the industry by introducing its largest outboard motor to date, a 350hp four-stroke. The DF350A is a fuel-injected V-6 with innovative features that include twin counter-rotating stainless steel propellers.
By spreading the load over those propellers, Suzuki achieved two goals. The second propeller improved the motor’s grip and overall performance. The torque per propeller was also decreased, which allowed for smaller-diameter gears. That, in turn, resulted in the design of a smaller, more hydrodynamic gear case.
Prior to the release, the biggest Suzuki outboard was a 300hp 4.0-liter (244.1-cubic inch) V-6. The new model is a 4.4-liter (268.4-cid) 55-degree V-6 with a maximum operating range of 5,700 rpm to 6,300 rpm and a bore and stroke of 3.86 inches (98mm) x 3.82 inches (97mm).
Recently Pontoon & Deck Boat magazine was given the opportunity to test this new power plant and experience thrill rides on several different boat models including a South Bay 525RS 3.0+ Super Sport 500 and an Avalon Windjammer 2785 QL that actually had twin 350hp Suzuki outboards on the back. After experiencing the thrill rides for ourselves, we came away with big smiles on our faces. The torque alone was impressive, but so was the quiet yet powerful ride.
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