Question about 2001 Honda XR 400R

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Spark.plug First of all i need to know what size of spark plug socket to use second what is the easiest way to get to it? and its not starting but the light works is that all spark plug related? please.and.thanks

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This could be a few different things.

  1. First the stator contains a lighting coil and a sorce coil.(If just the sorce coil is bad you will get no spark but have lights) (if just the lighting coil is bad,you will get spark,but no lights)
  2. If the CDI is bad you can have lights with no spark as well.
  3. If the coil is bad,you can have lights without a spark.
  4. If the end of the spark plug wire is damaged,you can have light without a spark.
So,Go buy a spark plug tester and check to see if you have power at the spark plug cap while turning the motor over.
if not,start checking the items above.
If you do have power,replace the plug,The tool is 18mm and you can find it it under the seat in the air box area,inside the honda tool kit.


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Posted on Jan 29, 2009

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