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Thread: Kill Switch

  1. #1
    gixxer130's Avatar
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    Kill Switch

    Can someone please tell me how to test my kill switch in my 2001 GP1200R? It would start and run for 20 minutes or so then just die. If I waited a bit it would start up and run a while again. For some reason it felt sluggish. I am pretty sure it is the kill switch but would like to test it. Thanks everyone...


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    Yamaha artisan Cutlass's Avatar
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    almost sounds like the pistons are seizing up. Better check you oil lines and compression if the kill switch tests out ok.

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    gixxer130's Avatar
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    It's premix...How would you get seized pistons from that?

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    gixxer130's Avatar
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    I asked "How can you test your kill switch"

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    This is how I run a jetski shop in the desert nmpeter's Avatar
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    Quote Originally Posted by gixxer130 View Post
    I asked "How can you test your kill switch"
    you're chasing the wrong problem..it also appears to me to be an engine seizing problem. Your comment about it being sluggish validates this theory.Even engines with premix can seize..premix just takes the unreliable oil line issue out of the picture. An air leak..or perhaps too much oil in the gas has leaned out the mixture

    Pull the plugs and check under a magnifying device. If you see little specs of aluminum and or the plug looks whiteish instead of brownish..the engine needs a teardown before you end up screwing the crank and perhaps the engine cases when a connecting rod lets go.

    but to test your kill switch:

    #4 is the kill switch..find the connector and give it a try.

    Click image for larger version. 

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    I mentioned in another discussion how older yam kill switches crap out.

    this diagram is from a 760..but the 1200 is identical, cept is has an extra ignition coil and trigger.P

    pay no attention to the man standing by the test tank....

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    Yamaha artisan Cutlass's Avatar
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    Quote Originally Posted by gixxer130 View Post
    It's premix...How would you get seized pistons from that?
    Run for 20 minutes and just die (piston heat up, expand, and seize up), wait a little bit and it would start (pistons cool down, shrink, and unseize) and ran sluggish (like damaged pistons/riings, low compression from seizing). Just a guess from your description...hopefully that's not the case.

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    gixxer130's Avatar
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    Its not the pistons. I promise I would know if it was. After it died it would crank over but not fire up. Probably kill switch but just want to test it first so I dont spend over a hundred dollars for nothing.

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    This is how I run a jetski shop in the desert nmpeter's Avatar
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    just grab a plug and crank it..if you get zapped..not the kill switch..you could have a heat related CDi or stator issue.

  9. #9
    I am working on a 2000 GP1200R that is having similar issues. Can you please let me know what turned out the be the problem?



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    Quote Originally Posted by gixxer130 View Post
    For some reason it felt sluggish. I am pretty sure it is the kill switch
    I don't really get the logics of this, but hey..

    Just take the 2 pins and beep em with diode testing mode on a multitester

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