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Discussion Starter #1
I have a KTM 125sx 2004, its misfiring slighty and doesn't seem to pull at the top of the rev range, ive had the spark plug out and seems to look okay the mixtures are fine, help please.
 

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put a new plug in it
 

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check the earth cable from the coil for breaks or poor contact , also the plug cap , spray them with wd40 see if that helps if it does then replace them ,, water in carb bowl ? ,,
 
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