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    Merc 250 EFI High Fuel Consumption

    This is a follow up to an earlier post about my 1996 250 EFI. <br /><br />My 254 Chriscraft with the above engine is burning about 25 GPH while cruising @4000 RPM. Accoring to my understanding about HP to GPH conversion, the engine should be burning 25 GPH at WOT. (My WOT RPM is 5500)<br /><br...
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    1996 Merc 250 EFI Charging System Question

    When at idle speed (700 rpm), alternator does not seem to be charging. I get 12 volts. Less that 12 volts when accesories are tured on.<br /><br />At above 1500 rpm, I get 14 volts. Is this normal for this engine? If not, what could be the problem?<br /><br />Thanks - Vic
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    Mecury EFI Fuel Economy

    I recently aquired 25 ft walk-around cudy with Mercury 250 EFI (1995 with less than 150 hrs). The engine is burning about 22 gallons per hour @ 30MPH at 4200 rpm. A freind of mine with a similar boat with 1999 Optimax 225 only burns 5 gallons per hour under the same conditions.<br /><br />Is the...
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