Recent content by Grimey

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    Fuel Use Versus Speed

    Are the figures below typical for carburated outboards driving a planing hull. The important figures are the Litres per n mile. At around 8 knots (control speed on our river)its 3.1 and at cruising its 2.1. Is this difference normal? If you need them in USGPH divide by 3.8...
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    2003 175 Johnson high fuel consumption & more

    Motor 2003 175 Johnson V6 carby with 350hrs and separate oil injection. Problem 1.High fuel consumption. Expected 66 l/hr (17.5 usgph) at wot (5500rpm), get 75 using calibrated Northstar instruments. L/nm = 3.1@2500, 2.1 @4000 & 2.5 @ 5500 RPM. 2.Ragged running between 1200 & 1800 RPM under...
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