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Carb screws
#254147 04/09/2008 3:34 PM
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Hi, just wondering what type of screws I can get to replace the stock screws on the carburetors.I know that Brent sells them, but I thought I had seen on here somewhere that you can get them at a hardware store for much cheaper. Anyone know what kind? Also does anyone know if I will need the "D" shaped tool to re-jet a 2006 speedmaster? I wasn't sure because Dinqua's site said 2004 and up. Thanks!


2006 Speedmaster: Marble red and black, AI removed, flame finishers, solo seat 1982 Suzuki gs650glz
Re: Carb screws
speedmastergirl #254148 04/09/2008 3:56 PM
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I went to the local hardware store and picked up some button head allen wrench type that were stainless steel. Threads and length are what you will need. Sorry I don't know the thread type off the top of my head. I don't think you'll need a D-Tool for the mixture screws, its pretty easy with a light and a mirror to see in the hole and figure out what you got. You won't need the tool for the pilot and main jets which are revealed under the bowl.

Hope I helped out.

Last edited by cochran03; 04/09/2008 4:00 PM.
Re: Carb screws
cochran03 #254149 04/09/2008 4:00 PM
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ok, good to know, thanks!


2006 Speedmaster: Marble red and black, AI removed, flame finishers, solo seat 1982 Suzuki gs650glz
Re: Carb screws
speedmastergirl #254150 04/09/2008 6:19 PM
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You will need the D tool or a suitable substitute for adjusting the air mix screw; rumor has it the plastic end of uncrimped butt splice works fairly well.


A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)
Re: Carb screws
oldroadie #254151 04/09/2008 6:51 PM
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she means the bowl and top cover screws I think. Take 1 of each with you for length but the thread is 4mm X 0.7. Got mine at Ace Hardware , they seem to have the best selection of stainless here.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: Carb screws
The_Dog33 #254152 04/09/2008 8:32 PM
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Whatever you get, do NOT, I repeat, do NOT over tighten them!! The metal the carbs are made of is WAY softer than the screws. That's why the stock carbs come with brass screws.


Benny Black & Silver '02 Too many mods to list Not enough miles ridden
Re: Carb screws
bennybmn #254153 04/09/2008 10:04 PM
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My stock screws on both Wendys and my bike are not brass and I doubt they are on any of them. They are steel with a brass looking coating.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: Carb screws
speedmastergirl #254154 04/09/2008 10:27 PM
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The carb screws are:

Qnty 8 - M4 x 14
Qnty 8 - M4 x 8
also get 16 M4 washers

I would suggest getting socket head as they have more surface area for the Allen wrench to work on. Get them in stainless steel.


"Never underestimate the power of human stupidity" - Robert Heinlein
Re: Carb screws
The_Dog33 #254155 04/10/2008 6:20 PM
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Whatever she replaces them with will be much stronger than the material in the carb, so she needs to be careful regardless.


Benny Black & Silver '02 Too many mods to list Not enough miles ridden
Re: Carb screws
bennybmn #254156 04/10/2008 6:28 PM
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Does the D-tool fit into the head of the mixture screws or caps above mixture screws that cn be adjusted with a screwdriver?


Hate workin' for the man...
Re: Carb screws
bennybmn #254157 04/10/2008 6:42 PM
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Quote:

Whatever she replaces them with will be much stronger than the material in the carb, so she needs to be careful regardless.



And don't use Blue Loctite either! That pot metal in the carbs is pretty soft.


Al
Re: Carb screws
FolsomBrad #254158 04/10/2008 7:00 PM
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Quote:

Does the D-tool fit into the head of the mixture screws or caps above mixture screws that cn be adjusted with a screwdriver?




In '04 and later models the air mix screw is shaped like a "D" to prevent tampering by the consumer, hence the aftermarket "D" tool. Earlier models have a basic slotted screw instead. You'll find the air mix screw (one per carb) underneath at the front center adjacent to the float bowl.


A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)
Re: Carb screws
oldroadie #254159 04/10/2008 7:13 PM
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And they may be covered/hidden by a non-tamper cap, I think.

Re: Carb screws
unclecharlie #254160 04/10/2008 7:38 PM
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anyone have a pic of this cap?


Always remember to be yourself. Unless you suck. Then pretend to be someone else.
Re: Carb screws
unclecharlie #254161 04/10/2008 8:01 PM
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I'm confused:

Is the idle mixture screw the D-screw? OR
Is the idle mixture screw underneath the D-Screw? OR
Is the idle mixture screw a D-screw underneath some other kind of cap?


Hate workin' for the man...
Re: Carb screws
FolsomBrad #254162 04/10/2008 10:18 PM
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It can be confusing, Brad. Basically, it goes like this;

2001- mid 2004, Triumph had regualr slotted mix screws hidden behind a pewter(?) slug, which was the Man's attempt at making the screws only accessible by a "qualified" mechanic.

Late 2004, Triumph, or whomever made the decision, switched to D-shaped screws. Again, an attempt to make it more difficult for the average Joe to monkey with.

So, on your 2008 SM you have D shaped mixture screws.

-brent

Re: Carb screws
brent #254163 04/10/2008 10:49 PM
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But the D screw is not behind a cap right? Stick it to the Man!


Benny Black & Silver '02 Too many mods to list Not enough miles ridden
Re: Carb screws
bennybmn #254164 04/10/2008 11:40 PM
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Absolutely right. The D-shaped screws are not hidden behind anything.

Quote:

Stick it to the Man!



Bite my tongue. The EPA is good, just and always right.

-brent

Re: Carb screws
brent #254165 04/10/2008 11:49 PM
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Thanks Brent...to ****** with the Man!


Hate workin' for the man...
Re: Carb screws
FolsomBrad #254166 04/11/2008 4:12 AM
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The D screw can be removed with some small needle nose pliers or hemostats. If you are careful you can cut a slot in the head and reinstall. I did this with a dremel too with cutting disc.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: Carb screws
The_Dog33 #254167 04/12/2008 5:24 PM
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thanks all!


2006 Speedmaster: Marble red and black, AI removed, flame finishers, solo seat 1982 Suzuki gs650glz

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