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Message started by Tom Dooley on 10/03/11 at 17:49:56

Title: Bike killing on slow down
Post by Tom Dooley on 10/03/11 at 17:49:56

My 2001 Savage that I purchased a couple of months ago has been dying when I come down to a stop. The previous owner advised that he had removed the white spacer and put in washer half the thickness and all jets were stock. I removed the brass plug on the idle air jet and turned a little cc but that has not solved the problem. I also installed the Raptor petcock and blocked the vacuum line at carb but that has not help. Any suggestions would be appreciated.

Title: Re: Bike killing on slow down
Post by MrBrownTX on 10/03/11 at 18:01:10

Hmmm... You've done a lot of what people will say. Is the idle itself set to low?

Are there modifications to the intake and the exhaust? Maybe you need bigger jets.

Title: Re: Bike killing on slow down
Post by Tom Dooley on 10/03/11 at 19:11:01

I don't believe the idle to too low. It idles fine at any other time. The intake and exhaust are stock. I might consider rejetting.

Title: Re: Bike killing on slow down
Post by feelinjunky on 10/03/11 at 19:36:26

I had a similar problem. I put in carb cleaner (the whole bottle) mixed with a full tank and it significantly improved. I also have a 2001. Never dies anymore.

Title: Re: Bike killing on slow down
Post by verslagen1 on 10/03/11 at 20:50:50

You might clean the TEV.

Title: Re: Bike killing on slow down
Post by arteacher on 10/04/11 at 04:04:07

6F7C6B6A75787E7C7728190 wrote:

You might clean the TEV.

Title: Re: Bike killing on slow down
Post by Tom Dooley on 10/04/11 at 05:34:37

What does TEV stand for?

Title: Re: Bike killing on slow down
Post by Mattdw on 10/04/11 at 05:35:44

6D7B6A6D7E717B2E262B2B1F0 wrote:

What does TEV stand for?

Transient Enrichment Valve

Title: Re: Bike killing on slow down
Post by bill67 on 10/04/11 at 05:39:33

I think you might need to go up one richer on low speed jet.

Title: Re: Bike killing on slow down
Post by danman1 on 10/04/11 at 05:46:38

i have a 95 and it did the same thing and still does if i forget to adjust the idle for over a week , takes a little getting used to but it will stop if you raise your idle.. ..so i'd say to tighten your idle srew even if you think its fine and also when you feel its about to die pull in the clutch and rev it a little. but mainly i would tighten the idle screw a bit more any way. i think it has to do something with after downshifting for a stop your still rolling and taking in alot of air and its too much air for the low amount of fuel your carb is letting through. you will notice it sort of putters before shutting off a few times i actually had to put bike in nuetral while still rolling and start up the bike again before the light turned green and before anyone else on the road noticed my bike shut off. ahahaha

Title: Re: Bike killing on slow down
Post by verslagen1 on 10/04/11 at 06:52:31

Yes, clean your TEV

click link below
control f
type in TEV
wow you found it.

Title: Re: Bike killing on slow down
Post by Tom Dooley on 10/04/11 at 07:03:21

Thanks Ver - There is so much great info on this site. I had not found this one yet. Just learning about my little thumper and enjoying it.

Title: Re: Bike killing on slow down
Post by SurfJunkie on 10/04/11 at 12:28:15

My bike has this same issue. It only died on me once in the hour i was out, and only under engine braking from 3rd while about right in the middle of the range. Couple little pops and dead she went. Wouldn't fire back up. Swapped her over to prime and it hasn't happened since.

Got the Raptorc0ck on order.

Also, would just a bit of seafoam in the fuel clean up the carb/TEV enough ? or is a pull/clean the better approach ?

Title: Re: Bike killing on slow down
Post by verslagen1 on 10/04/11 at 12:40:09

I haven't played with the TEV as an individual component.
Only as a total carb clean.

My understanding is that it doesn't see fuel at all, just exposed to the internal air flow. So it collects crap. Sooner or later that crap interferes with operation.

Title: Re: Bike killing on slow down
Post by bill67 on 10/04/11 at 14:38:56

Sea foam is the best way to clean a carb.

Title: Re: Bike killing on slow down
Post by SurfJunkie on 10/04/11 at 14:52:15

Allow me to rephrase V1's previous comment.

If the component doesn't contact fuel, the seafoam in the fuel aint gonna clean it. Its a valve/diaphragm that opens to AIR. Therefore its gonna have dust and other random fine dry particulates interfering with operation.

This is a manual job.

Title: Re: Bike killing on slow down
Post by verslagen1 on 10/04/11 at 15:55:13

252E2B2B7170470 wrote:

Sea foam is the best way to clean a carb.

with a toothbrush.

bills gets little use otherwise. ;D

Title: Re: Bike killing on slow down
Post by Tom Dooley on 10/07/11 at 18:38:11

http://p1.bikepics.com/2011/10/07/bikepics-2283578-800.jpg

With all the great info available on the forum I was able to go through my Mikuni completely. Carb had not been opened up since new. Only had one Phillips that was very stubborn (locktited). JIS driver and 1/4" impact would not get it so had to use vice-grips. Was able to pick up new M4 screws locally. Bike seems to be running better now.
:)