gsxr400 running problems(gk71f)

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mike61
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gsxr400 running problems(gk71f)

Post by mike61 »

Hi all been given an old gsxr400 gk71f ,so i'm back in the saddle after 23yrs,bike runs well one day s##t the next.think it a prob with the coils. pots 1 & 4 not working all the time but when they do its a joy .look forward to hearing from anyone with help & advice.can't wait to take it on a decent run.
mike
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Variablevalves suck
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Re: gsxr400 running problems(gk71f)

Post by Variablevalves suck »

Hi Mike,
Sorry not to have posted but been busy. If 1 and 4 are not fireing it could a bad coil (wasted spark so fires both plugs), probably loose connection of the low tension wires or bad wires from the cgi to ths coil.
mike61
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Re: gsxr400 running problems(gk71f)

Post by mike61 »

got myself a meter to check ohms but need specs also not sure how to do it ,probably check input on low tension side on both coils & see if same
tony1680z
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Re: gsxr400 running problems(gk71f)

Post by tony1680z »

i think i have got the same problem with my gk76a, i dont know if they are the same or not but where could you buy a new coil from

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