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    Mercruiser Electric Fuel Pump Troubleshooting

    Tested the electric fuel pump pressure at the carb on a 5.0 liter 305 CID 2 barrel carbed Mercruiser due to surging above 3400 RPMs. The test was performed on land with muffs on. At idle, the pressure is 7 PSI. The pressure drops to 4.5 PSI when the RPMs get to 3600. WOT is 4400 to 4800. Is...
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    5.0 Mercruiser Surging

    I have a 2003 Chaparral with a 5.0 liter 220 HP, 2 barrel carbed, 305 CID Alpha Sterndrive Motor. The motor serial number is OM627259. The boat cranks fine, can run it up to 3300 RPM and cruise around all day at 28-30 MPH with no problems. Whenever I try to accelerate above 3300 RPM, the boat...
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    2003 Mercruiser 5.0 305

    I have a 2003 Chaparral with a 5.0 liter 220 HP, 305 CID Alpha Sterndrive. The motor serial number is OM627259. The boat cranks fine, can run it up to 3300 RPM and cruise around all day at 28-30 MPH with no problems. Whenever I try to accelerate above 3300 RPM, the boat begins to surge...
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