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    Wiring

    Have a 40hp, 1987 Tohatsu, model M40C. Friend took wiring harness loose when transfering to other boat, he moved. I pluged in all the wires back in yellow to yellow etc.....Engine will not turn over....There is two other wires that red and black that hook to bat approx. 8 gauge that I do not...
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    Force vs Tohatsu

    I have a 50hp Force and 40hp Tohatsu both are 1987. They have both been on the same boat, 12 1/2ft tunnel hull, mounted same height and same dolfin. Both have been decarbed and new plugs. Both have same dia and pitch of prop. The RPMS are about the same. The Tohatsu pushes the boat at 37mph and...
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    De Carbing

    Should I spray the decarb in while the engine is tilted up and replace the plugs then, or spray it with it tilted down. Wouldn't it cause a hydraulic lock if I did while it was tilted up.<br />Tom
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    impeller replacement

    After having read and read about all the problems with over heating, just to be on the safe side I bought a impeller for a 1987 Force 50. Handy with tools and usually can follow instructions fairly well. Now the problem I want to install the impeller and understand that it is in the housing...
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    Year?

    Have 50 hp force 198? something model 507FC SN 2023. How do find year so that I can order parts for it, need a impeller as mine only sputters water out. The people down south here at dealer has never heard of SeaFoam Deep Creep, recommended OMC engine tuner is it the same stuff. Thanks in...
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    Wiring

    Have a 50hp Force with US Marine Controller. Engine is wired and starts fine. Problem: Four wires exit from contollerthat my owners manual does not show how or where to wire them to. My guess is that they are for gauges. Question: How do I determine which wire goes where and how they should be...
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