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Message started by jstock107 on 04/28/06 at 19:36:35

Title: idle mixture screw brass plug removal
Post by jstock107 on 04/28/06 at 19:36:35

Hi!! New to the site. My girlfriend purchased an 06' Boulevard S40 and we're both getting sick of the backfiring. I've been bouncing around the site for a while and educated myself on the idle mixture screw adjustment, but I am not familiar with carbs at all.

How exactly do you drill out the plug??? I tapped it with a screw and tried pulling it out, but the head literally pulled off the screw and now I'm left with the threaded part stuck in the plug. Doh!!!!

Any help will be GREATLY appreciated!!

Thx,
STOCK

Title: Re: idle mixture screw brass plug removal
Post by pgolden on 04/28/06 at 19:45:50

I hope you have the screw stuck in the right plug. You should be able to pull the plug out with vicegrips.

Title: Re: idle mixture screw brass plug removal
Post by jstock107 on 04/28/06 at 19:56:03

It's definitely in the right plug. I tried vise grips and as a result there are no more threads left on the screw. :-/

So that plug isn't bonded to the carb itself somehow?? Is it supposed to pull out eventually??

Thanks for the reply!!

Title: Re: idle mixture screw brass plug removal
Post by steelwolf on 04/28/06 at 20:06:16

Yea, it should come out.

Title: Re: idle mixture screw brass plug removal
Post by Kropatchek on 05/01/06 at 02:50:55

When you're sure it is the right plug there's one possibility left.
You drilled too far.
The plug is 1/16" thick. Put the back of the drill in the hole and lever the plug out.

Just to make sure you have the right plug have a look at the pictures, you won't be the first one to drill into the throttleshaft.
http://suzukisavage.com/cgi-bin/YaBB.pl?board=tech;action=display;num=1098869040
Greetz
Kropatchek ;D

Title: Re: idle mixture screw brass plug removal
Post by Savage_Rob on 05/01/06 at 05:35:07

Yeah, the second image in the third post has it labeled. The fifth image has a very nice shot of the screw at the upper edge of the image about a thrid of the way from the right side. It's a brass screw recessed into a hole.

Title: Re: idle mixture screw brass plug removal
Post by jstock107 on 05/01/06 at 09:40:05

That's the exact image I referenced before tackling all of this. Thanks for the replys. If the plug is really only 1/16" thick, then I'm going to assume that I did tap that screw too far. :-/

I'll have to figure a way to back the screw out now. I'm gonna start praying to the vise-grips gods!!!

I hope that I didn't jack up the screw too badly now. :-[

Title: Re: idle mixture screw brass plug removal
Post by Dynobob on 05/01/06 at 11:04:16

I just pulled 2 of those plugs on my Honda. They are a very tight fit. I sprayed them liberally with PB Blaster (penetrating oil), screwed in a fine thread sheet metal screw, and wiggled and pulled for some time before they would come out.

It is very easy to drill too deep and meet up with the mixture screw. I buggered mine up a little :-[ I still need to replace it someday ;D