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Buell Forum » Old School Buell » S2 Thunderbolt » Archive through September 25, 2010 » Quicksilver carb update « Previous Next »

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Triman023
Posted on Wednesday, August 11, 2010 - 04:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The last Quicksilver carb user checking in:

I had a problem with my idle speed on my S2. When I would return the throttle the RPMs would drop very slowly. Made shifting a nasty experience! If I snapped the throttle it would drop right down.
I called the Edelbrock hotline and got the supervisor Dave. He was very helpful and gave me the following troubleshooting guidelines:

Quicksilver Carb tuning. Sticky throttle
Test. Cables
Unhook cables from throttle drum
Start engine, warm up
Run carb by rotating cable wheel manually, see if throttle sticks
If it sticks
Disable (carb) fuel pump link, open throttle with cable wheel
If it still sticks
Check to see if the cable wheel Allen set screw is loose
If it still sticks
Remove top cap
Warning! Do not advance to full throttle with cap off
(Cap limits slide travel)
Check throttle shaft spool for looseness, tighten Allen set screw
If it still sticks
Check throttle slide return strip (acts as a return spring)
Look for kinks where the strip attaches to the drum for kinks.
If it still sticks
Send to Edelbrock for a rebuild. $79

Yes, I know some of you prefer to take the carb in your right hand and throw it as far as possible..

Call me a purist, I like to have my bike as it was created. Also, this carb has run very well over the years.
The problem turned out to be a throttle shaft spool set screw that had backed off. I could have tightened it myself but I decided to let Edelbrock rebuild it.
After several weeks of phone calling (carb guys went on vacation!) I got it back. Looks like a brand new carb. Put it on last night. Fired it up this morning and it runs like a top.

The Quicksilver 2 is not the carb that came with the S2, it is way better, so I am sticking with it.

Signing out -- The LAST Quicksilver guy.
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Leftcoastal
Posted on Friday, August 13, 2010 - 10:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

LQG-


(Please don't take this personal or in anyway offensive): )


"Yes, I know some of you prefer to take the carb in your right hand and throw it as far as possible.. "


That's only partially true - Some of the ex-Quicksilver users are left handed.

I know it's a tough call, but don't let your quest for purism overcome common sense.

Just keep in mind the addage that if they were great (or even merely 'good') carbs, you'd see them everywhere.
















You don't.



Al - The FIRST Quicksilver hucker.
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Bluesboy
Posted on Friday, August 13, 2010 - 09:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My self,I loved my Ed.carb.When I talked to ed. they told me they didnt have the parts,time or anyway to take care of my carb.The old K. carb w/thunder jet works better so alls well that ends well.I didnt throw mine I sold it on e-bay!!!
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Leftcoastal
Posted on Friday, August 13, 2010 - 10:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The one on my wife's S2T (CA bike) was an arsonists dream.

It soaked everything in range in gas, then liked to backfire and light it all up.
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