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Old 06-22-2008, 11:09 AM   #1
90 5.0
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Carb screwed

So I decided to clean out my carbs again. Last time I did this it fixed the idle problem. But since I couldn't find a rear wheel for a couple months I had suspected they needed a good cleaning again since the bike would not idle at all now. I got a wheel and rode around the neighborhood bike would run perfect over 2500 rpm or so just not idle and not run under that. So thats what led me to pull them off again

Now, I pull the tank off and set it on the floor in the garage. I noticed that fuel was dripping out of the pump. The srads have a vacuum activated petcock so I must assume it is starting to go bad since it has never leaked out of it before. Well thats where the question really starts. Is it just an on off type signal or is the opening size therefore fuel flow regulated by the amount of vacuum signal? What I am getting at is will a malfunctioning petcock affect performance?

To make matters worse I proped the tank up to keep fuel from leaking out of it and it fell over:/: Breaking off the nipple on the petcock. So I super glued it back on(vacuum side not fuel side). If the glue partially blocked the flow , would that change the signal going to the petcock and effect the way it runs?

It won't run for now, really hard to start and won't run under 4,000 and doesn't sound right when you try to rev it. Like it's flooded and the flood won't clear.

I am about to sink this thing in the river.
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Old 06-22-2008, 11:49 AM   #2
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Old 06-23-2008, 12:48 PM   #3
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:crickets:

Anyone??
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Old 06-23-2008, 07:17 PM   #4
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Low speed circuits sound like they are still clogged, you also may have a vacuum leak.


Replace the petcock, superglue isn't the fix.
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Old 06-23-2008, 09:09 PM   #5
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Whoever edited my post title it wasn't a typo



http://dictionary.reference.com/browse/screed?r=14

screed Audio Help /skrid/ Pronunciation Key - Show Spelled Pronunciation[skreed] Pronunciation Key - Show IPA Pronunciation
ľnoun
1. a long discourse or essay, esp. a diatribe.
2. an informal letter, account, or other piece of writing.
3. Building Trades.
a. a strip of plaster or wood applied to a surface to be plastered to serve as a guide for making a true surface.
b. a wooden strip serving as a guide for making a true level surface on a concrete pavement or the like.
c. a board or metal strip dragged across a freshly poured concrete slab to give it its proper level.
4. British Dialect. a fragment or shred, as of cloth.








And I plan on finding a petcock, the glue was a temporary fix, I was just wondering if that could be the route cause of the carbs to be running worse n ow. But after reading in the manual it doesn't say anything about the vacuum line regulating flow so I will have to agree that the circuits are still clogged. I am going to pull them back off and dip them for 24-48 hrs this time.
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Old 06-23-2008, 09:39 PM   #6
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