polishing carb slides question


Information and questions on GL1100 Goldwings (1980-1983)
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goldminerusa
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Joined: Wed Mar 07, 2012 8:20 am
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Motorcycle: 1982 gl 1100standard, 1983 1000c

polishing carb slides question

Postby goldminerusa » Sun Jan 06, 2013 11:01 am



I just finished reading the polishing post from 6/11 about cleaning, lubing and waxing slides. My question is does one polish in the up/down direction or circular, the way the slides are machined. #2 slide is badly scuffed (but not scored) on the air plenum side, same for the carb body bore. Seems to me it should be polished in a circular pattern to match the machining. Comments please.



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littlebeaver
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Re: polishing carb slides question

Postby littlebeaver » Mon Jan 07, 2013 1:12 am

Yeah, I would polish them in a circular motion, I used scotch bright pads on mine first really well then I polished them using mothers polish, one thing you can do that nobody ever talks about is this, if you have a four gauge syncronizing set up for your carbs all you need to do is accellerate slowly and watch the gauges as the rpm's rise, see you're gonna find out if a slide is sticking if one of the gauges is sticking, that sync. tool will help you find out who's not playing right, most guys sync the carbs at idle only and never think to accelerate and test the slides...I hope this bit of information will help you in your task..Now it can also tell you lots of things like, bad wire or plug, coil maybe, or even a clogged jet..when I test mine, not only does it idle well and even, but it accelerates even too..

goldminerusa
Posts: 245
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Re: polishing carb slides question

Postby goldminerusa » Mon Jan 07, 2013 9:01 am

Thanks for the help and tips,Littlebeaver

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virgilmobile
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Re: polishing carb slides question

Postby virgilmobile » Mon Jan 07, 2013 11:21 am

I test my slide action BEFORE I put them on the bike.
I use a shop vac on each pipe and operate the throttle watching each slide in turn.

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littlebeaver
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Re: polishing carb slides question

Postby littlebeaver » Mon Jan 07, 2013 1:31 pm

Wow, Virgil that sounds so cool, a bench test for the slides, I'd love to view photo's or a video of this procedure, I'd like to try it next time, please tell us more about this man..How do you do this??? :D I know for a fact other's wanna see too..

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virgilmobile
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Re: polishing carb slides question

Postby virgilmobile » Mon Jan 07, 2013 3:48 pm

I didn't take a video( my bad).Never thought at the time that it would be unique.
Anyways,I can explain. After the full assembly of the Carb pack,I simply held a running shop vac hose to the part that attaches to the engine.
Operate the throttle and watch the slide rise.
Even after servicing the carbs,one was sticking.I rotated the cap 180° to free it.
Just for fun,I set the throttle about 1/4 and went to each one again to see that they have the same lift.
After my sync method,my 1100 could idle at 400 RPM smooth.
Obviously I re-synced them holding it at 1000 RPM. THEN idled it back to 850.
Here's a little reading.... viewtopic.php?f=4&t=8928
viewtopic.php?f=16&t=8994

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littlebeaver
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Re: polishing carb slides question

Postby littlebeaver » Mon Jan 07, 2013 11:14 pm

I don't know how I missed seeing those videos but apperently I did, cool video's...

goldminerusa
Posts: 245
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Location: Southern NH, home again!
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Re: polishing carb slides question

Postby goldminerusa » Tue Jan 08, 2013 8:22 pm

Thanks virgilmobile. i did watch the vid`s when i read the 6/12 article and i`ll go that route after i polish out the scuffing. the carbs are out and on the bench, have been dipped, all passages checked with water pressure and rebuilt with Randakk rebuild kit(s). Once i`m done with the slides i`m doing the baking soda blasting on the entire intake system. This is a continuation of the work i started last 3-4/12 with a post thread of `82 Naked. This is a long road but i can see the light, i think. Thanks again to all. By the way i have been taking pics and will post as soon as i figure out how. Dam computer wont take the download.

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littlebeaver
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Re: polishing carb slides question

Postby littlebeaver » Tue Jan 15, 2013 7:29 pm

Awww man...I'm gonna smack you dude.. :lol:




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