Vacuum Problems
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Senior Member
Joined: May 2009
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From: San Bernardino, CA
Vacuum Problems
Two weeks ago, I cleaned my carbs and it started bogging down when hot and fouling plugs. Recently I pulled my carbs off again and I realized that I didn't hook one of the vacuum tubes up, so I hook it up and make sure there are no holes or anything in them and put it all back on. It is better now, it runs great for about 40 miles then it will stall when I pull the clutch in unless I keep it revved and it still bogs down. I will let it sit overnight and it will run great for 40 miles then the same thing. And it is still fouling the number 4 plug. I am running out of ideas. You got any? Thanks!
Administrator, MVN / ROTM NOV 2012
Joined: Aug 2008
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From: Republic of Boon Island
Reckon ya got some chit in there Pablo man..........I know ya don't want to hear
this but I'd take em off and go through them again paying particular attention to
4 obviously........try SeaFoam first if you want to be lazy that chit does wonders
sometimes
this but I'd take em off and go through them again paying particular attention to
4 obviously........try SeaFoam first if you want to be lazy that chit does wonders
sometimes
Thread Starter
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Senior Member
Joined: May 2009
Posts: 123
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From: San Bernardino, CA
I'll try the sea foam first. I saw a youtube video on how to do it but it didn't really seam to apply too much to a bike. How do I do it? Do I just get the basic engine treatment stuff?
Thanks.
Thanks.
Administrator, MVN / ROTM NOV 2012
Joined: Aug 2008
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From: Republic of Boon Island
or add to a 1/4 tank of gas and run the chit out of it for a few miles
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IMO- You still have a "mechanical fuel issue" I would say ..
For one cylinder to be fouling plugs ...
...either the float on number 4 is to high and slowly flooding the cylinder ..
....or for some reason the mixture is way out on number 4 ..
Make sure the choke is completely open on number 4 in the off position ...
She obviously is running fine until number four gives out , and then that's why she will not even idle ..
For one cylinder to be fouling plugs ...
...either the float on number 4 is to high and slowly flooding the cylinder ..
....or for some reason the mixture is way out on number 4 ..
Make sure the choke is completely open on number 4 in the off position ...
She obviously is running fine until number four gives out , and then that's why she will not even idle ..
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Senior Member
Joined: May 2009
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From: San Bernardino, CA
I was thinking maybe something electric, but it all started after I cleaned my carbs, and got better when I fixed one of the vacuum lines, so doesn't that mean it has to do with the carbs?