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backfiring

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Old Dec 4, 2003 | 07:05 PM
  #1  
z250freak's Avatar
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Default backfiring
my z250 has been backfiring a lot ever since i got it. i was wondering if this is normal or what. it happens when im going and i star to slow down for a corner or something. It is getting annoying
 
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Old Dec 4, 2003 | 07:48 PM
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Glenlivet's Avatar
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Default backfiring
It can mean the low speed carb circuit is too lean. Try raising the needle a notch or two
 
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Old Dec 4, 2003 | 07:59 PM
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Polaris500HO4x4's Avatar
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Default backfiring
how are your valves, air filter
 
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Old Dec 4, 2003 | 08:32 PM
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Default backfiring
Mine also backfires from time to time but I just had it in to get the valves adjusted and they did not seem to think much of it.....but I don't think that it should be doing it....
 
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Old Dec 4, 2003 | 09:58 PM
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Default backfiring
back off the air screw 1/8 of a turn at a time.
 
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Old Dec 4, 2003 | 10:12 PM
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Default backfiring
are you talking about real backfiring that sounds really loud like a firecracker or just those little sputtery sounding backfires that happen a lot?
 
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Old Dec 5, 2003 | 02:03 PM
  #7  
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Default backfiring
Mine backfired some about a month after I got it, but lately it has been fine. Your valves might need adjustment.
 
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