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Need help !!!very weak spark

2K views 6 replies 3 participants last post by  Jasesnyder108 
#1 ·
Got a 03 sportsman 400 well its my sister's at first it had no spark I changed the stator 3x , coil 2x ,and a new CDI now its a very weak spark I've checked and cleaned the grounds and put on a new kill switch I'm lost on what to check next any help would be greatly appreciated I've been at this thing for about 3 months now ...
 
#2 ·
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#3 ·
Man, you are a glutton for punishment, but I give you an A for effort however, an F for results

First - do you have an early or late 400 ignition (early stator had a center tapped CDI charge coil while the later model had a coil without a center tap) and do you have a peak voltage meter?
 
#6 ·
Or using a BFH!
 
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