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Info Spark Plug Caps - ZXR250

Discussion in 'Kawasaki 250cc In-line 4's' started by Mad_Ryan, Nov 9, 2016.

  1. Mad_Ryan

    Mad_Ryan Active Member

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    Ok...so after pulling the last few starnds of hair out...i beleive that after spending a fortune on carb rebuild kits....new cdi...new pick up coil...fuel tap..hose and everything else that could possibly be replaced....ive worked out that when my bike gets hot ...say 5 mins idling dies and wont restart....ita the bloody resistor spark caps that fail....the ends of the resistor and the spring receptical are dirty and looks like when they warm up must be arcing or something.......fortunately there is a local supplier of the full range of NGK products....surely theres nothing left that can be wrong....when it runs it runs perfect though...so thats a bonus....but infinity Ohms across the plug....not good ;-)

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  2. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Have all of them failed ?
    Does it use 10 Ω cap's, if so the soft silicon one seem to seal out moisture a lot better than the Bakelite one's
     
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  3. Mad_Ryan

    Mad_Ryan Active Member

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    Theyre 5k plugs....not sure where to get the nice soft ones...but ill just go the ngk ons i can get off the shelf...i need to get this pile of bolts running just for the sake of my sanity !

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  4. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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  5. Mad_Ryan

    Mad_Ryan Active Member

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    Thanks for that....yeh im replacing the leads as well...hopefully my local supplier carries the full range of ngk..as they say they do on the website...NGK actually make an inline resistor carrier as well so you can use non resistor caps in any case...thanks for the links....

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  6. Mad_Ryan

    Mad_Ryan Active Member

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    Ok it lives again !! Got some caps from the wreckers.....some lead wire and itz alive......now for the leaky gear selector seal......ordered ....and some more waiting.......

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  7. Adam Giles

    Adam Giles Well-Known Member

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    Megazip supply new original spark plug caps. Got some myself recently.

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  8. Mad_Ryan

    Mad_Ryan Active Member

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    Cheers.....yeh im hoping these will be fine for now....bike runs mint now....amazing what $40 worth of rubber and wire can do for a bike.....doesnt miss a beat now.

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  9. Adam Giles

    Adam Giles Well-Known Member

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  10. RyanZXR

    RyanZXR Member Premium Member

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    That one you linked. The cap, https://www.gsparkplug.com/1x-ngk-resistor-spark-plug-cap-sd05fm-red-8673.html

    Is that a compatible replacement for a zxr250a spark plug cap?

    My leads are in good condition, I'm replacing the plugs but the caps are a bit shot. I haven't found any replacement other than spending $150 USD on megazip.
     
  11. Linkin

    Linkin The Apprentice Premium Member Dirty Wheel Club Contributing Member

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    Consider replacing them with ninja 300 coil on plug units, the wiring is simple you just need to buy the right connectors and make up a harness. I did it wit my ZXR.
     
  12. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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  13. RyanZXR

    RyanZXR Member Premium Member

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