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I cant figure out what's wrong it!


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So i got an 03 banshee with CPI pipes, v force 3 reeds, mild port with 65.50s and 35 mm PWK air strikers. This quad rode great for about a week after I had my guy install a new lockout clutch.

Now the bike runs like shit, but only with air filters!!!! Every time I take the air pod filters off the bike runs fucking great, but I dont want to run with no filters. My original jetting was 168 main jet. I tried dropping to jets sizes I went down up to 160 at one jet size at a time. The quad seemed to run fine each time I dropped jets but as soon as I hit it in powerband the quad starts to sputter and bog. Once the quad bogs out on the powerband, the quad will sputter the WHOLE ride home. 

I called the dude that just set up my motor and told him this he told me that maybe my filters were garbage, to go back to original jetting and get new filters. so I went and got actual K&N not "Ebay shit filters". Oiled them up threw them on with original jets and the same thing. I start dropping jets the same way and the quad reacts the same way.

I even tried raising the needle jets on the carbs and once again the same thing, leaving the gate of my house the bike seems fine. (bikes up to temp fresh plugs everything good) then once I hit powerband boom bike rides like crap.

 

The strange thing is that even on the original jetting which was 168 main jet and middle clip on the needle, AS SOON as I remove the air pods the quad does not sputter not one bit and rides like it should. This leads me to think its jetting??

 

At this point the only jet I have not tinkered with is the pilot, the dude that built up my motor wants the quad running a bit rich he said that would be the best way for the motor to run. "Better to swap plugs than to swap engines". He hasnt told me to mess with the pilot and I dont think the pilot would affect the quad this much?

 

What are your thoughts on this?

 

Ps. Sorry for the long post I tried to be as descriptive as possible

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1 hour ago, 375hp banshees said:

You rode it enough without filters, to get under a load, in the power band & it's fine that way or just reving it w/o filters?

Rode it for almost 20 minutes each time without filters and it rides perfect.

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it likes the extra air, so you must be really rich .how bad was your clutch before . could it have been slipping, when you were riding it before, when It was in the powerband and under load, it was slipping so much that, being so rich, didnt matter as much , because you weren't under a good load

Sent from my XT1585 using Tapatalk

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54 minutes ago, kawa110 said:

Too much oil on filters...

Never thought about that, I'll clean them and take the quad out see what's up. I'll keep you guys posted

 

1 hour ago, 375hp banshees said:

Make sure it's not something stupid like your air filters rubbing on a harness or something... long shot but

Sent from my XT1585 using Tapatalk
 

The air filter does touch the harness could this a problem? I will ziptie it so that it will be completely out of the way. The left pod filter also kind of rubs the left exhaust pipe. For some reason my right side pod has less space than my right side pod. I'm thinking my exhaust isn't fastened correctly or something. Would this possibly give me an issue as well?

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9 hours ago, 375hp banshees said:

Only if it's bare somewhere and rubbing it against the frame. the exhaust won't be an issue other than ruining your filter. I just zip tie mine together somewhat.
Did you oil your filters between the time that it ran good and didn't?

Sent from my XT1585 using Tapatalk
 

Honestly I was trying to remember what triggered it and I can't recall. I know when I picked up the quad it was riding good, I clean and oil filters after every ride almost.

 

Didnt get the chance to mess with it today I will tomorrow though. Hopefully it is something so stupid as me over oiling my pods

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Update for you guys, after cleaning the pods and checking my harness (I noticed the harness was being burned by the exhaust). The quads riding like it should again!

I appreciate the replys fellas!!

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