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Propulsion & Power Systems

Oyster Men Migrate to 4-Strokes

The Marenne Oleron area of France produces over half the country’s oysters. Some 50,000 tonnes per year are gathered by more than 1,200 farmers who all use the same type of barge.

A trend has been reported in the region of oyster farmers replacing the 200 hp 2-stroke outboards they have been using to power their 12m aluminium barges with twin Suzuki 90 or 115 hp electronic fuel injected 4-strokes. The average oyster boat logs 800 hours per year so the resulting savings in fuel, oil and servicing costs is considerable. The twin engine installation provides the flexibility to run only one motor when possible and it is also useful that the Suzuki 4-strokes will idle<$>at 620 rpm.

Both the Suzuki DF90 and DF115 models have a double overhead camshaft engine displacing 1,950 cc. Compactness has been achieved by offsetting the crankshaft and driveshaft by intermediate gearing to produce a unit with a reduced profile on the transom which improves weight distribution and balance.

Suzuki’s computer controlled multi-point sequential electronic fuel injection reduces engine emissions to meet stringent new European regulations.

MJ Information No: 18347

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