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  1. T

    alternator?

    i have a '75 evinrude 70hp motor and i would like to know how to tell what size alternator is on my motor and how difficult it is to put a bigger one on there. all i want to run is a radio. the one that the manual says is on there is a 6amp and my radio has a 7.5 amp fuse. i have more amps...
  2. T

    reed valves

    i have a 75 evinrude 70hp motor that was running great for about 4 hours then starting missing and running bad. we pulled the cover off and found gas blowing back out of the bottom carb. is this a reed valve problem and if so how bad of a job is it to fix this?
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    charging system

    i have a '75 evinrude 70hp motor and i have a brand new battery that is now dead. how can i tell if the charging system is working or not. this may have been a defective battery.
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    spark plugs

    i have been using champion ql77jc4 spark plugs in my 75 evinrude 70hp until i asked for a replacement plug on here. i was refered to ngk bz7hs-10. the champion plug at walmart is $1.83 and the ngk plug is $11.73 per plug. what is the big difference?
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    carb problem

    could someone please give me some pretty detailed instructions on how to clean my carbs out. i have never worked on carbs before and mine are pretty gummed up. any help would be appreciated
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    spark plugs???

    could anyone give me an alternative spark plug to the champion Q77JC4. i seem to be fouling these out awfully quick. i have a '75 evinrude 70hp motor. thanks
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