Question about 1993 kawasaki KLE 500

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No spark backfire from carbs

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If your bike is backfiring then there must be some sort of spark as it wouldn't backfire without one. You need to check the whole starting process to see where the problem comes from.
I would check( if you haven't already) your ht leads, surpressor caps, sparks plugs and coils just to ensure 1 or more are not faulty, also check that the coils are getting charge sent to them.
Try using new spark plug instead of old ones, place in surpresor caps, 1 at a time, place against a metal surface(do not hold or touch) then try to start the bike, if there is a spark then move on two the next cap. If none of them have spark check coils are getting charge from battery, this way you can narrow it down without spending to much.
Hope any of this is useful , good luck toastie.

Posted on Apr 20, 2014


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