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500 scrambler backfire

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  #1  
Old 09-04-2007, 03:49 PM
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Default 500 scrambler backfire
i still get a backfire after full throttle.its all stock.someone says to replace the 40 to a 42.5 does anyone know if this will help
 
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  #2  
Old 09-04-2007, 05:38 PM
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Default 500 scrambler backfire
Have you cleaned or changed the air filter?
 
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Old 09-04-2007, 05:43 PM
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Default 500 scrambler backfire
yes clead carb to
 
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  #4  
Old 09-04-2007, 06:05 PM
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Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
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Default 500 scrambler backfire
Have you checked the ETC switch?There is a way to bypass it but I am not sure how.
 
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  #5  
Old 09-04-2007, 06:11 PM
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Default 500 scrambler backfire
by passthe etc is easy just pull the cover off and put a peace of tape between the two points of contact. but yes its fine
 
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  #6  
Old 09-04-2007, 06:24 PM
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Default 500 scrambler backfire
Try disconnecting the rev limiter.Unplug the black wire.This thing can cause all sorts of problems.
 
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Old 09-04-2007, 07:44 PM
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Default 500 scrambler backfire
auto2tech
My sons 04 scrambler backfired on deacceleration. The main jet was partially clogged.
Cleaned it and problem solved
 
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Old 09-04-2007, 09:36 PM
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Default 500 scrambler backfire
kind of off subject. but what does back fire mean?
 
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