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Old 03-27-2009, 09:37 PM   #1 (permalink)
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Question Vibration, sputtering

Why would a VRSC(D) vibrate after being stored for the winter?

Would having Supertrapp Fatshots installed have anything at all to do with it?

I'm not the rider, but can tell you what was told to me. The bike was ridden today for the first time this season and for the first time with the new pipes. At stops the bike vibrated so much the headlight cowl seemed to be vibrating. When I asked what it felt like the answer I got was, nothing like my Sportster which was a 1200L.

The engine ran rough until it warmed up almost felt as if it could have sputtered. This happened when first used today and then after a two hour stop. Once it warmed up the sputter feeling subsided. The vibration did not.






I asked this in a few places and am interested in this groups thoughts.
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Old 03-27-2009, 09:41 PM   #2 (permalink)
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Did you treat the fuel before you stored it ,It sounds like bad gas.
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Old 03-27-2009, 09:43 PM   #3 (permalink)
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Ditto Lil....bad gas, or moisture in the fuel. EFI bikes will tolorate it better, as they'll sputter, rather then die and not restart.

Treat the gas with some fuel/water treatment, unless the person is capable of draining the tank and putting in new fuel.

The vibration almost sounds like it may have partially, if not completely fouled a plug.....
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Old 03-27-2009, 09:44 PM   #4 (permalink)
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Quote:
Originally Posted by Badassbrutus View Post
Did you treat the fuel before you stored it ,It sounds like bad gas.
The mechanic told her there was no need because she had filled the tank to the top before storing.
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Old 03-27-2009, 09:45 PM   #5 (permalink)
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Quote:
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Ditto Lil....bad gas, or moisture in the fuel. EFI bikes will tolorate it better, as they'll sputter, rather then die and not restart.

Treat the gas with some fuel/water treatment, unless the person is capable of draining the tank and putting in new fuel.
Will do Dave, Dean. Thank you gentlemen.
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Old 03-27-2009, 09:46 PM   #6 (permalink)
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The mechanic told her there was no need because she had filled the tank to the top before storing.
Foul.

TOday's gas goes bad in almost 2 months, were as older fuels used to take 6.
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Old 03-28-2009, 01:14 AM   #7 (permalink)
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Ahh, that explains why my lawn mower was so hard to start.

Didn't know gas went bad that fast.
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Old 03-28-2009, 02:49 AM   #8 (permalink)
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Didn't know gas went bad that fast.
OOHHH it does,I got bad gas all the time.
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Old 03-28-2009, 05:38 AM   #9 (permalink)
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Was the bike tuned after the exhaust was installed? Whats nice about the Supertrapps is that you can "tune" your bike by adding or removing discs. It could be a combo of the old gas and a bad tune.

A quick sniff of the exhaust will help. No smell? too lean. Stinky? too rich.
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Old 03-28-2009, 05:49 AM   #10 (permalink)
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has the exhaust been removed for any reason before or during the storage and mods. i ask because on my 06 D i had messed with the exhaust and had it touching the frame below the clutch cover. vibrated to be damned.
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