motor runs great but shuts down ?

by chuck patch
(uniontown,pa.)

i can start it up, run full throtle sometime about a mile then it shuts down ,then before it shuts off i go back to idle posistion on throtle and if i goto full again it runs full,and does this over and over,is it my fuel tank maybe a problem ,or something else please help ,thanks,9.9 gamefisher sears outboard two cylinder

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Dec 09, 2011
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engine shut down
by: Anonymous

went to mercury dealer,old school service manager.he said replace your hose running from tank too motor,did so no more problems,(hose kept collapsing when i pushed throttle wide open).

Nov 26, 2011
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How I Corrected Mine
by: Anonymous

Had the same problem. Turned out my tank had a filter at the top where hose connects instead of a pick-up tube. With a full tank, popped out filter and it was clogged, cleaned it and no more bog downs.

Nov 26, 2011
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How I
by: Anonymous

Had the same problem. Turned out my tank had a filter at the top where hose connects instead of a pick-up tube. With a full tank, popped out filter and it was clogged, cleaned it and no more bog downs.

Nov 13, 2011
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engine trouble
by: Anonymous

i had the exact same problem its your low pressure fuel pump

Oct 19, 2011
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fuel
by: Anonymous

you have a fuel restriction check your anti syfen valve. i know thats missspelled

Aug 13, 2011
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2ND PART OF PROBLEM QUESTION ENGINE SHUTTING DOWN ON FULL THROTLE
by: Anonymous

CAN IT BE VENT PROBLEM IN FUEL TANK,?

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