Installed idle screws and doesn't want to start

[Pincushion]

I got this low hour 03' a few months back and haven't really had much time to dial it in. It's been at least 2 months since I've even touched the Banshee and I'm going strictly off memory (which doesn't work too well), so please bear with me.

 

It's an 03. Stock carbs, FMF fatties & silencer and K&N pods. Compression was 125/120 when I got it and I've only ridden it maybe 5hrs since. I got it with the TORS removed, but I've since added the idle screws.

 

If I remember correctly jetting is 320 mains and 30 or 32.5pj's.....cant remember. I ride at sea level in the Oregon dunes only.

 

 

After getting it I drained of old gas and cleaning the carbs I filled her up with some 91 octane pump fuel and klotz r50 32:1. The motor was a bear to start. It took a lot of kicking to get it to light and it would not idle due to no idle screws. Once it got up to operating temp then it would start easy. After installing the idle screws (which was done correctly as per the instructions) it absolutely will not kick start. I can bump start it and even that is a pain in the ass, but once it starts and gets up to operating temp it will fire up 1st kick.

 

After getting it fired up and up to operating temp I adjusted the idle screws. They both had to be all the way in for the motor to keep a steady idle. Is this correct? I was thinking maybe I need to remove a little more material from the carb to allow the idle screws to fit further into the carbs, but this still doesn't explain the hard starting issue.

 

Why would it be near impossible to start when cold, but fires 1st kick when warm? Is 120/125 respectable compression numbers on a stock motor at sea level? Does my jetting sound reasonably close for my mods, elevation and riding style (WOT in dunes)?

 

Any other advice?

 

thanks!

[05.Banshee.SE]

Your jetting is reasonable, and your compression is great IMO.

 

What are your air screws set at?

[Pincushion]

I've tried from 1/2 turns to 2 full turns. Doesn't matter.

 

I just tested the compression again and both cylinders blew 120 on a stone cold motor.

 

 

I also pulled out both plugs and they're dry and I dont smell fuel coming from the holes. Time to look into the carbs again.

[05.Banshee.SE]

The idle screws should have been installed when the TORS was removed.

 

Is all of the TORS system removed?

[AKheathen]

I've tried from 1/2 turns to 2 full turns. Doesn't matter.

 

 

 

 

I also pulled out both plugs and they're dry and I dont smell fuel coming from the holes. Time to look into the carbs again.

yah, u need to check for air leaks, and if none, moovethe needle a knotch richer, check all the passages for debris, check the choke. once th idle is good between 1-2 turns on the air screws, see if it boggs in the mid throttle. if not, you're good

[travis6767]

sounds like you put the slides in the opposite carbs, since you said you screwed them all the way in an nothing happened, that makes me think thats your problem

[swrbansheeboy]

sounds like you put the slides in the opposite carbs, since you said you screwed them all the way in an nothing happened, that makes me think thats your problem

 

i agree, pull your air filters and make sure the cutaways on the slides face the rear of the carbs.

if there backwards it wont get any air on idle and will be a whore to start...

[Wiz]

120 is not "good" compression, 320's are a bit rich for your jetting also should be down closer to the 300 range unless cyclenders are ported big. it however does sound like you could have slides in wrong. I live not far from you if you need more help shoot me a PM I can help you out, we can get that bike running like it should be...

Edited December 3, 2008 by Wiz

[Pincushion]

I checked the slides and both have the top cutout facing the rear. As far as putting the left slide in the right carb and vice-versa, that is possible. I put the slide into the carb based on the throttle cable routing..... one slide naturally wanted to go to the left carb and the other naturally wanted to go to the right. I can swap them and test.

 

I'm certainly getting fuel into the carb bodies as the slides has a nice coating of fuel on them from yesterdays kicking session. Just doesn't seem like its getting into the cylinders.

 

Wiz,

I'll send you a PM. Thanks!