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93 225 Ocean Pro and Navman fuel flow

Old 03-23-2003, 05:39 AM
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Default 93 225 Ocean Pro and Navman fuel flow

How many gallons of fuel per hour do you think a 93 225 Evinrude Ocean Pro would burn an hour at idle? Just hooked my Navman fuel flow meters yesterday and was amazed at how much fuel these motors burn at idle. Haven't calibrated them yet but they both read about the same. Anyone else out there have any kind of fuel flow meter on this kind of motor?


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Old 03-23-2003, 06:49 AM
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Default 93 225 Ocean Pro and Navman fuel flow

I don't have the same engines, but have recently installed a Standard FF41 fuel flow meter (same as Navman).

I have only used it for two short underways, totaling about 16 gallons. The unit has not yet been calibrated.

My unit shows a burn of 1.8GPH at idle on my big Yammi after it has warmed up.

I have seen threads on here indicating good initial accuracy and others that indicated accuracy poor until calibration.

Calibration done by starting with a full fuel load, burning some significant amount, and then correcting the total fuel used indication to match actual amount refueled. In other words, if the Navman idicates a total fuel burn of 95.6 gallons, and you only need 84.0 to fill up, then you "calibrate" the Navman by correcting the 95.6 to 84.0. This will change the GPH indications after the calibration.

Brian



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Old 03-24-2003, 04:34 AM
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Default 93 225 Ocean Pro and Navman fuel flow

My 225 suzuki burns 1.1 gph at idle, 22.5 at wot meas with a ff41.



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