SuzukiSavage.com - Idle problem.

arteacher

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Idle problem.
10/09/11 at 13:36:59

I tried the tev mod to cut down on backfires and it sort of worked, except when I let the throttle off the idle would stumble way down and sometimes stall.
So I bought a new spring, installed it and I still have the same problem.
I checked that I hadn't damaged the diaphragm by filling it full of carb cleaner and seeing if it leaked. It didn't. The vacuum passage to the throat is clear. I sprayed carb cleaner in it while the bike was running and the motor would stumble. The little hole in the cap is clean. I can push a light gauge wire through it.
Where else do I look?

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white '07, Raask exh, Corbin seat, slipstreamer shie, Raptor, Routy's fwd controls, Baron tach, Frisco bars, Isogrips, Headlight and taillight modulators, Dial-a- jet, AME 9 deg chop kit, K&N air flt

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Idle problem. Reply #1 - 10/09/11 at 13:53:36 I checked that I hadn't damaged the diaphragm by filling it full of carb cleaner and seeing if it leaked. IDK what its gonna take to solve your problem, but I wouldna done that,,
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28996 L.A. California Gender:	Re: Idle problem. Reply #2 - 10/09/11 at 14:09:07 Idle jet? idle rpm? filter? muffler? petcock?
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arteacher Serious Thumper Offline Ride as if your naked and invisable! Posts: 2581 London ontario Gender:	Re: Idle problem. Reply #3 - 10/09/11 at 14:15:06 55 pilot with bleed holes !!00 K&N clean Raask Raptor (see signature)
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Idle problem. Reply #4 - 10/09/11 at 14:24:20 What controls fuel>? The needle, What controls that? The slide,,Am I right thinking the problem is the slide dropping & falling past where it needs to be,, like maybe some vacuum needs to be maintained up there,, You just letting go of the gas or are you closing it?
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verslagen1

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Re: Idle problem.
Reply #5 - 10/09/11 at 14:31:50

bleed holes tend to make the pilot richer.
How many turns out are you?

I'd put a fresh plug in run on idle only for a few minutes then pull it out and check.

You might try readjusting the idle mixture with a higher rpm setting.
and if that didn't work, try with a lower rpm setting.
there seems to be some leeway in how it's done as a number of people have the problem and most don't.

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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: Idle problem. Reply #6 - 10/09/11 at 14:41:57 Tev is there to keep the engine running smooth at idle,And so engine doesn't kill.
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Gyrobob

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Re: Idle problem.
Reply #7 - 10/09/11 at 15:06:08

bill67 wrote on 10/09/11 at 14:41:57:

Tev is there to keep the engine running smooth at idle,And so engine doesn't kill.

What strange things you say/type/write/espouse. The TEV has little to do with idling, unless it is broken. It is there to richen the mixture during high rpm/closed throttle operation.

"And so the engine doesn't kill" What would the engine kill?

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bill67 Serious Thumper Offline old tired Posts: 8517 genoa city wisconsin Gender:	Re: Idle problem. Reply #8 - 10/09/11 at 15:08:50 Are you saying the s40 only farts at high rpm not at shut of.
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Gyrobob Serious Thumper Offline Posers ain't motorcyclists Posts: 2571 Newnan, GA Gender:	Re: Idle problem. Reply #9 - 10/09/11 at 16:24:58 bill67 wrote on 10/09/11 at 15:08:50: Are you saying the s40 only farts at high rpm not at shut of. What strange things you say,..
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arteacher

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Re: Idle problem.
Reply #10 - 10/09/11 at 16:33:37

verslagen1 wrote on 10/09/11 at 14:31:50:

bleed holes tend to make the pilot richer.
How many turns out are you?

I'd put a fresh plug in run on idle only for a few minutes then pull it out and check.

You might try readjusting the idle mixture with a higher rpm setting.
and if that didn't work, try with a lower rpm setting.
there seems to be some leeway in how it's done as a number of people have the problem and most don't.

2 turns out.
I tried adjusting idle at 1500 rpm, and at 1200 rpm-no diff.

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white '07, Raask exh, Corbin seat, slipstreamer shie, Raptor, Routy's fwd controls, Baron tach, Frisco bars, Isogrips, Headlight and taillight modulators, Dial-a- jet, AME 9 deg chop kit, K&N air flt

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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 29276 Tucson Az Gender:	Re: Idle problem. Reply #11 - 10/09/11 at 16:59:19 If it was fine before,... look for what changed.. intentionally or unintentionally... Something has been affected and not restored... Think details,... did you pull the tank,.. adjust anything else,... ?... How long was it since you ran it?... could something have clogged in the interim?...
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28996 L.A. California Gender:	Re: Idle problem. Reply #12 - 10/09/11 at 17:22:27 You gotta uncommon carb exhaust setup and I don't know where to go from here. You have to get your a/f mixture checked at all rpm's. The only way I know is to get it dyno'd. Or buy a a/f meter for it.
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arteacher

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Re: Idle problem.
Reply #13 - 10/10/11 at 04:45:54

Serowbot wrote on 10/09/11 at 16:59:19:

If it was fine before,... look for what changed.. intentionally or unintentionally...
Something has been affected and not restored...

Think details,... did you pull the tank,.. adjust anything else,... ?...

How long was it since you ran it?... could something have clogged in the interim?...

It was fine before I took the tev apart. I run it almost every day.
I never did find those spider legs though. Grin

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white '07, Raask exh, Corbin seat, slipstreamer shie, Raptor, Routy's fwd controls, Baron tach, Frisco bars, Isogrips, Headlight and taillight modulators, Dial-a- jet, AME 9 deg chop kit, K&N air flt

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arteacher Serious Thumper Offline Ride as if your naked and invisable! Posts: 2581 London ontario Gender:	Re: Idle problem. Reply #14 - 10/10/11 at 15:27:28 Problem solved. As perhttp://suzukisavage.com/cgi-bin/YaBB.pl?num=1318209614 i put a washer in to increase the tension on the spring.
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