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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through July 18, 2011 » Hard Start Issue « Previous Next »

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Badrap
Posted on Friday, July 08, 2011 - 12:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Help. When the bike is hot, it doesn’t want to start like normal. Symptoms: long crank or multiple cranks and when it finally lights, it starts slowly, like it is fuel starved. Then it feels like its stumbles and it wants to die when you pull away in first gear.

The bike is fine when it has sat for a long time or if it isn’t up to running temp.

(Message edited by badrap on July 08, 2011)
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Etennuly
Posted on Friday, July 08, 2011 - 02:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Could be a clogged fuel vent or the fuel is boiling and or causing a vapor lock.

Next time it is in hot mode when you park it open the fuel cap. Then close it when you are ready to take off. Not a good thing to do often, but it can give some perspective to what is happening. If gas is boiling you could hear it. Of course be careful of flammable fumes!
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Froggy
Posted on Friday, July 08, 2011 - 02:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are you running a right side scoop? Your profile says you have the comfort kit.
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Badrap
Posted on Friday, July 08, 2011 - 02:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have the comfort kit with reflash.
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Rwcfrank
Posted on Friday, July 08, 2011 - 02:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would check the vent also. If you have a california bike be sure your charcoal cannister is full of gas or plugged.
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Badrap
Posted on Friday, July 08, 2011 - 02:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Where is the vent line?
How would you know if the canister is plugged?
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Rwcfrank
Posted on Friday, July 08, 2011 - 05:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The cannister hoses (if you have the cannister) are marked, I think they say "tank" "carb" I know its not carburated but my memory is failing in my old age. Either way, one goes up to a spot under the intake cover on the far right hand top of the frame, thats the vent. Pull the hose and blow through it, if you meet any significant resistance you may try running it unplugged form the cannister to see if that solves your problem.
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Froggy
Posted on Friday, July 08, 2011 - 05:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Next time you have this issue, open the gas cap and see if it cures the problem.
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Zac4mac
Posted on Friday, July 08, 2011 - 10:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Good idea Froggy, but do it SLOWLY so you don't get a face full.

If that doesn't work, most likely vapor lock in the fuel rail, check the insulation wrap and connections.

Z
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Ratbuell
Posted on Friday, July 08, 2011 - 11:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

When's the last time you did a TPS reset, and did you do it with the engine hot or cold?
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Tootal
Posted on Saturday, July 09, 2011 - 08:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Of course be careful of flammable fumes!

Like what rises from opened mason jars?
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Etennuly
Posted on Saturday, July 09, 2011 - 11:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Like what rises from opened mason jars?

I know not of what you speak.....oh enlightened one! Perhaps you could explain yourself when next we meet!
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