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11-07-19, 02:54 PM | #1 |
Junior Member
Join Date: May 2011
Posts: 23
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Fuel tank breather blocked
Hey all, the fuel tank breather in the petrol cap is blocked on my 07 sv650. Ive taken the petrol cap apart and cleaned everythong twice but no joy. Any ideas if im missing something stupid?
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11-07-19, 05:34 PM | #2 |
Member
Join Date: Oct 2007
Posts: 537
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Re: Fuel tank breather blocked
First, what makes you think its blocked?
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11-07-19, 05:37 PM | #3 |
Junior Member
Join Date: May 2011
Posts: 23
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Re: Fuel tank breather blocked
Well, bike runs fine from startup for 10 mins or so. Then the tickover ggets rough and the engine starts to surge. If you then open the petrol cap it suddenly runs fine. So i presume thars the breather valve. Happy to be corrected though!
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11-07-19, 05:55 PM | #4 |
Member
Join Date: Oct 2007
Posts: 537
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Re: Fuel tank breather blocked
Do you have an inrush of air or difficulty in opening the cap when its doing this?
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11-07-19, 06:14 PM | #5 |
Member
Join Date: Oct 2007
Posts: 537
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Re: Fuel tank breather blocked
From the manual it looks like theres an air vent hose that runs from the filler and comes out the underside of the tank so maybe this is kinked or blocked....
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11-07-19, 06:49 PM | #6 |
Junior Member
Join Date: May 2011
Posts: 23
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Re: Fuel tank breather blocked
Ah, is there now? Good spot, I'll have a look at it. Thank you.
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11-07-19, 07:26 PM | #7 |
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Re: Fuel tank breather blocked
Yet again, members of this forum are so helpful.
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11-07-19, 07:29 PM | #8 |
Junior Member
Join Date: May 2011
Posts: 23
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Re: Fuel tank breather blocked
I'll say, and fast too! Very much appreciated
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13-07-19, 08:48 PM | #9 |
Junior Member
Join Date: Oct 2016
Posts: 18
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Re: Fuel tank breather blocked
That's not a breather it's a drain for the filler hole
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13-07-19, 09:01 PM | #10 |
Junior Member
Join Date: Oct 2016
Posts: 18
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Re: Fuel tank breather blocked
Ithink there should be a hole small hole in the fuel cap to equalise pressure, perhaps thats blocked
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