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    evinrude 70hp 1975 lost allot of power

    i have a 1975 envinrude 70hp engine. The boat sat for a while. I rebuilt carbs and got it running. I took the boat out today and had it running good for about ten minutes. I then proceeded to put it full throtle. It ran great for about a hundred yards then lost most of the power. I let it idle...
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    Fuel Ratio

    What is the fuel ratio for a evinrude 70 from 1975.<br />thanks<br />brad
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    Black Tar ?

    I have a 1975 70 evinrude that has sat for a while. The engine would only run when choke was on. You great helpers told me to rebuild carbs and i did; now engine runs when choke is of. We got the motor running and ideling good but it runs very smokey and there is a bunch of black tar looking...
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    rebuilding carbs

    what do i need to rebuild carbs on a 1975 evinrude 70?
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    need year for motor

    70573 E is the model number how do i find what year it is?<br /><br />70hp evinrude<br />where can i find parts for it?<br /><br />thanks million times over and over!<br /><br />brad
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    what is the black goo.

    1975 evinrude 70<br />Sorry i have no idea what i am talking about. But you are right about choke plates. The choke solenoid has to purble wires coming from a wireing harnest. It works but i only when i flip the switch that is on ignition box(where i put key to start). But when i flip the switch...
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    starts and dies evinrude 70

    I have an evinrude 70 from 1975. Not sure how long it has been since it was started. If i spray starting fluid into the plugs it will start then run until starting fluid is gone. The three carbs vent are open all the time. When i start engine with spray and mess with the vents it will stay...
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