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01 700 Edge backfires

Tuning

 
 
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  #1  
Old 01-20-2013
Snowman1000
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Join Date: Jan 2013
Location: Freeland Michigan
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Default 01 700 Edge backfires

Hi im new to this forum I have a 01 Edge 700 (non-ves) I just got back a few weeks ago from a trip to Houghton Hancock had a great ride. My sled is stock other than a rumblepack can and while we were up there I noticed towards the end of the trip when we would be coming up to a stop sign my sled would kinda backfire or pop. It ran great other than that didnt bog or anything. Sometimes it would stall when it backfired it wouldnt do it if you keep into the throttle as you stopped. I was told it could be a chipped reed is this a possability the sled has alot of miles (7000) but is completly unmolested. One time while I was running down the trail about 50 it just shut off when I stopped I checked the plugs they were a nice brown color I pulled it over and it started right up with no issues not sure if this is connected at all or just an isolated event it ran fine other than the poping for the next two days and didnt do it again. Any ideas Thanks in advance.
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  #2  
Old 01-20-2013
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Powersledder
Poser
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Join Date: Sep 2007
Location: Stuck in WI
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I ran a '00 700 for a while, however it was very molested by the time I was done with it so I ran into a lot of random issues. (also spent a lot of time an Houghton with it, oddly enough).

Backfiring during shutdown is usually caused by a rich condition. Checking over your intake/exhaust connections and reeds would be the first thing to check. You could have a stuck float in one of your carbs as well.
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  #3  
Old 01-21-2013
Snowman1000
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I may have found the issue there was a small line that goes from a small barb on the carb (sitting on the seat top right of the carb) to the air box there is one on each carb and one was unhooked could that of been pulling outside air causing my issue? Thinking about perhaps a Boysen reed cage perhaps. I see a small exhaust leak where the pipe and can connect I will have to pull it apart and seal it up with something high temp rtv maybe?
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  #4  
Old 01-22-2013
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Madcow
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Location: pine city mn.
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if its the carb vent line then that cylinder would be running very rich with that line unhooked. power sledder said a backfire can be from rich conditions. 2+2=4!!
give it a try and let hope!
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  #5  
Old 01-23-2013
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Rubi
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Unplug your throttle safety switches up by the kill switch. See if that cures the problem. If the TSS hangs up when you let up on the throttle, it will shut off the ignition for an instant and unburnt fuel will get dumped into the pipe. When the ignition comes back on you get a backfire.
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