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400ex helppp!!

  #1  
Old 07-23-2014, 10:01 AM
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Default 400ex helppp!!

I was riding the ole 400 yesterday i was cruising in 3rd gear and all of suddeen i lost all power i punched the gas and gained no power then i let off the gas and it died. Has not started since. Tries to start but cant whats wrong?
 
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Old 07-23-2014, 10:03 AM
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Also all through the day it felt like i had less power then usual..
 
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Old 07-23-2014, 05:16 PM
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check these things;
1. compression-use a gauge, not your thumb
2. fuel-is the fuel making it through to the cylinder/jug?
3. spark-is it making spark?
 
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Old 07-23-2014, 09:12 PM
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Yes spark checked it today. Yes gas is making it through. Could it be cdi? Stator?
 
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Old 07-23-2014, 09:13 PM
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Originally Posted by Jaster94
check these things;
1. compression-use a gauge, not your thumb
2. fuel-is the fuel making it through to the cylinder/jug?
3. spark-is it making spark?
Yes on spark checked today and yes on gas reaching. Could it be cdi? Stator?
 
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Old 07-24-2014, 12:32 PM
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what's the compression? you got fuel and spark. hmmm....is the spark weak or strong? weak would lean towards a weak CDI. have you tested the stator's output?
 
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Old 07-24-2014, 01:15 PM
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Originally Posted by Jaster94
what's the compression? you got fuel and spark. hmmm....is the spark weak or strong? weak would lean towards a weak CDI. have you tested the stator's output?
No I haven't gotten to test compression or stator. Spark is weak.
 
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Old 07-25-2014, 12:32 PM
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Anyone? I really want to get this fixed!
 
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Old 07-25-2014, 02:46 PM
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new plug and CDI should get it.
 
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Old 07-25-2014, 10:45 PM
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Originally Posted by Jaster94
new plug and CDI should get it.
Plug is new ordered new cdi box. What if this does not work?
 

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