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General Category >> Rubber Side Down! >> Which way to turn mixture screw?
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Message started by lagagnon on 05/25/05 at 09:35:24

Title: Which way to turn mixture screw?
Post by lagagnon on 05/25/05 at 09:35:24

Recently I did the white spacer carb mod: reduced it to half thickness and then turned out the carb air idle mixture screw about 2 turns. Also did a slight adjustment on the idle speed screw. The 2004 Savage runs so much better at mid-speed and when cold. Also a much nicer throatier deceleration sound. I no longer get backfires when turning the machine off. However, I am now getting the odd mild backfire sometimes on deceleration and on some gear changes, which I rarely had before the mod.

Is there any fine tuning I could do to the air idle mixture screw to reduce this backfiring?

Larry Gagnon

Title: Re: Which way to turn mixture screw?
Post by Reelthing on 05/25/05 at 10:05:02

did you up the main jet as well?

Title: Re: Which way to turn mixture screw?
Post by lagagnon on 05/25/05 at 12:54:49

Reelthing wrote:

did you up the main jet as well?

No.

Title: Re: Which way to turn mixture screw?
Post by WD on 05/25/05 at 14:46:08

There's your answer... you should hear mine, every upshift, downshift, or deceleration, sounds like a war zone. :D Sure makes the normal people flinch...
-WD