Suzuki reveals its most powerful engine

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New outboard designed to deliver 350hp without increasing engine size.

Suzuki has released details of a new 350hp engine, the DF350A, which incorporates a number of first-time features from the Japanese manufacturer. It is billed as the most powerful outboard in the Suzuki range.

The engine features a Direct Intake System which is designed to lower the air intake temperature and a Dual Prop System with twin contra-rotating props. The engine achieves 350hp output without increasing the displacement through a combination of the re-designed air intake and combustion chamber which deliver a compression ratio of 12.0, the first time this has been achieved with a Suzuki outboard.

At the unveiling event held in Miami last week, Toshihiro Suzuki, president, Suzuki Motor Corporation said: “Outboards play important role in Suzuki’s business, and DF350A is a model that clearly illustrates our brand slogan, The Ultimate 4-Stroke Outboard.”

The DF350A will be produced at Suzuki's Toyokawa Plant in Japan, and launched in the US from July followed by a global launch.

Features include:

  • Compact, 4,390cm3 four-stroke V6-cylinder engine
  • High compression ratio of 12.0, adopted for the first time on Suzuki outboards, to achieve 80hp per litre, the maximum output in Suzuki’s line-up
  • Direct Intake System coupled with Suzuki's Dual Louver System to boost combustion efficiency
  • Dual Prop System, also adopted for the first time on Suzuki outboards, designed to efficiently convert engine output into forward thrust by combining two contra-rotating propellers
  • Smaller gear case to decrease underwater resistance.
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