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    1978 70hp Evinrude idle problem

    i have a 1978 Evinrude 70 hp that stalls at idle speed. Once accelerating above idle all the way to wot it runs great. It ran fine for a couple trips and now this is my latest problem. Carbs have been cleaned and rebuilt. New fuel lines, fuel pump, plugs, coils, and the power pack was replaced a...
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    Will 1977 carbs work on my 1978 Evinrude 70 hp

    I have a 1978 Evinrude 70 hp outboard. I need a middle carburetor but the closest I find are 1977 carbs. Are they the same carburetor? Can I use the 77 carburetors on my 78 motor? Thanks
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    Parts compatible?

    I have a 74 Johnson 50hp model 50ESL74M and an 73 Evinrude 70hp model 70873c. Can I use a spare coil from the Evinrude on the Johnson? They match in size wire colors and wire length and mounting holes but part numbers differ. Just checking if they may indeed be the same before trying the...
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    78 evinrude 70HP acceleration problems

    This motor was running great and the last two weeks it has developed accelleration problems. It idles fine but when you throttle up it starts to go and then just bogs down as if starving for fuel. Ive rebuilt the carbs. replaced the coils, plugs, plug wires, power pac, fuel pump and filter, as...
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    How to remove my outboard engine

    I have a 1978 Evinrude 75 HP model 70873 that I need to pull from my boat to do some repairs on the transom. My service manual does not show me the proper way to remove this heavy engine or the best way to store it till I'm ready to put it back on. your help would be greatly appreciated as I...
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    Floor repair help

    I have a 1966 fiberform 15' runabout with some floor issues. The fiberglass is cracked and small areas of around 6" are missing. I can find no soft spots or rotten wood where it is exposed and the rest of the floor seems to be well adhered to the wood subfloor. Can I fill the missing areas with...
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    can't get smooth idle on 78 evinrude 70 hp

    I have a 1978 70 hp model 70873c outboard. I have rebuilt the carbs. changed the fuel pump and replaced all three coils. Each one of these has helped to smooth the idle a bit as well as at higher rpms. I still have an inconsistent miss and the motor sounds as if it surges after it misses. It...
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    1978 evinrude 70 horse engine surging

    I have a 1978:confused: 70 horse evinrude. just rebuilt the carbs and the motor runs much better than before but still acts as if it is occasionally running on 2 of the 3 cylinders. it seems to run good for a bit and then acts like it is bouncing between 2 and 3 cylinders. any ideas on what...
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    70hp evinrude idle problems

    I have a 1978 70hp evinrude that runs rough at idle and speeds just above idle and stalls frequently. however at moderate to higher speeds it seems to run smooth and fine any ideas on where to start to chase this down
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