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Discussion Starter #1
I just got done rebuilding my banshee and started it up yesterday and am now having a problem with the right cylinder. It does not run while at low RPMs or idle but when I full choke it and rev it a little it starts to hit and both cylinders run. It did run fine before the rebuild. I did have the carbs off but did not mess with them, just sprayed them out. All I have done to the quad is a adjustable timing plate that it set at 0 right now (stock timing) a K&N filter, a clutch kit, and that's all. I was maybe thinking my pilot jet was maybe dirty or I am just not getting the right fuel to air ratio since the cylinder runs while full choked. But I don't know why it would start doing this out of no where, maybe I bumped something in the carb while putting it back together. Not sure. I will try to answer any questions as soon as I can, thanks.
 

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Discussion Starter #3
UPDATE: I took apart the whole carb and cleaned everything. It was a little dirty. Still only runs off one cylinder at idle. Checked out the reeds and they look perfect. Also did a compression test and got exactly 120 psi off each cylinder.
 

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i am not a banshee expert but the next thing i would do is swap the plug wires and see if the problem changes sides. my next suspect would be a flaky pick up or stator. swapping plug wires will narrow it to electrical or fuel. if it switches side it is electrical if not it is fuel or carb or cylinder
 

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i am not a banshee expert but the next thing i would do is swap the plug wires and see if the problem changes sides. my next suspect would be a flaky pick up or stator. swapping plug wires will narrow it to electrical or fuel. if it switches side it is electrical if not it is fuel or carb or cylinder
Not 100%. If it doesn't change sides, it could still be electric. Could be flywheel or stator still. Doing this only rules out bad coil.
 

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Discussion Starter #7
UPDATE: I think I am getting down to something. So I just picked up brand new plugs and cleaned my carb and reeds very good. Now the right cylinder is firing constantly! BUT... now my left cylinder is not running. So basically they swapped. I switched the plug wires and it made no difference, although I can tell just by looking my left spark is not as strong as my right. Anyone have a idea? Thanks.
 

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Discussion Starter #8
UPDATE: Now it is back to the right cylinder not running. It only runs at high RPMs and when it does it backfires and spits out bursts of air. I have no idea. Any help appreciated.
 

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Discussion Starter #10
Feel really dumb now. After all the times I have pulled the carbs and messed with reeds. In the process I thought to myself “where is my choke tube?” So I grabbed myself some hose and connected the choke tube and it fired right up and runs perfect. Thanks for all the help.
 
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