hello, and ? about problem after tank removal - MVAgusta.net
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post #1 of 12 (permalink) Old 11-26-2007, 03:46 PM Thread Starter
dnb
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hello, and ? about problem after tank removal

Hey all, I bought a 2008 (US) 910R last month. The bike has been running great until today. I removed the tank to bleed the rear brakes, after re-installing the tank, the bike is revving irratically, sputtering, and surging like crazy. So I removed the tank 2 more times to check and test all the hoses fittings, everything seems ok, and the bike starts ok, but, it sputters like it is not getting enough fuel.

Anybody ran into this problem?
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post #2 of 12 (permalink) Old 11-26-2007, 04:08 PM
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Welcome aboard. Are you sure you haven't pinched one of the hoses leading to the injector rail?

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post #3 of 12 (permalink) Old 11-26-2007, 04:55 PM
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Does sound like a plumbing issue. Lots of hoses in there to inadvertanly pinch, damage or disconnect.

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post #4 of 12 (permalink) Old 11-26-2007, 06:09 PM Thread Starter
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no, I am pretty sure all the hoses are fine...I redid the install twice to double check.
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post #5 of 12 (permalink) Old 11-26-2007, 06:22 PM
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Check that the hoses didn't get a bit of debris in them prior to reinstallation. Also, you could have a coincidental but not otherwise related. Another possibility is that one of the in-tank hoses has ruptured.

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post #6 of 12 (permalink) Old 11-26-2007, 06:32 PM
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Did you put the gas lines in the right hole in the tank? One line is a feeder line the other is a return line.

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post #7 of 12 (permalink) Old 11-27-2007, 07:18 AM
 
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I was told off a mechanic that the throttle position sensor is easily knocked when doing such things. Might be worth a fiddle.
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post #8 of 12 (permalink) Old 11-27-2007, 08:46 AM
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Quote:
Originally Posted by dumbcomputers
Did you put the gas lines in the right hole in the tank? One line is a feeder line the other is a return line.
+1

White is feed, black is return.

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post #9 of 12 (permalink) Old 11-27-2007, 08:55 AM
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Quote:
Originally Posted by CAG
+1

White is feed, black is return.

CAG
It won't make any difference, the fuel delivery pump AND fuel pressure control valve are both in the fuel tank, the injector rail is only a piece of tube really, it only matters when the fuel pressure regulator sits on the end of the injector rail like on most cars, the black and white connectors are to stop the fuel pipes getting squashed through wrong alignment

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post #10 of 12 (permalink) Old 11-29-2007, 12:16 AM Thread Starter
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thanks for your suggestions.
cylinder #1 is kaput for some reason, so I took the bike back to Munroe's.
it could be simple as a coil or maybe major...
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