G oog le BadWeB | Login/out | Topics | Search | Custodians | Register | Edit Profile

Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through November 02, 2013 » Houston, we have a problem « Previous Next »

Author Message
Top of pagePrevious messageNext messageBottom of page Link to this message

Bigme007
Posted on Wednesday, October 30, 2013 - 05:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

About a month in and 750 miles later, the Uly has developed an odd issue.

When I twist the throttle (normally) she bogs down. Doesnt stall and if I let off the throttle she returns to normal and then I slooooooooooooooooowly turn the throttle and she goes.

Too much (or even normal) throttle = bogs down.
Go easy on the throttle = all is well.

I am somewhat suspicious of bad fuel as it started about 20 miles after I just filled up at a gas station I dont frequent often. However, I would "think" that bad fuel would just mean it would run poorly across the board, not just when I turn the throttle.

It happens in neutral as well as at speed in gear.

Before I look into it too much or dump the fuel, I thought Id ask to see if this seems like a "typical Uly (or Buell) thing"?? Or if anyone has had the same problem ??

thanks
Top of pagePrevious messageNext messageBottom of page Link to this message

Natexlh1000
Posted on Wednesday, October 30, 2013 - 06:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sounds like a face full of mediocre gas to me.

Can you maintain highway speed with it?
That would be my choice of removing the gas.
Top of pagePrevious messageNext messageBottom of page Link to this message

Satori
Posted on Wednesday, October 30, 2013 - 07:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sounds like a sensor problem. I had my mass air sensor on my Silverado go bad (after 13 yrs) it did exactly what you described, didn't throw a code for awhile either. It basically was creating a bad lean condition.

I think the IAT sensor performs a similar job on these bikes. you might disconnect it, and if it runs better there is the problem. it will throw a code though.\

Good luck
Top of pagePrevious messageNext messageBottom of page Link to this message

Nillaice
Posted on Thursday, October 31, 2013 - 12:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Unplugging the fuel line at the rail connection and cycling the kill switch is the easiest way I've found to get all the gas out if the frame.

Keep in mind that 'Bad gas' is easy to point the finger at but it might not be the problem
Top of pagePrevious messageNext messageBottom of page Link to this message

Shagg1970
Posted on Thursday, October 31, 2013 - 08:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check and see if the cap is still on the vacuum port on the side of the throttle body. If it comes off it will suck air and be lean.
Top of pagePrevious messageNext messageBottom of page Link to this message

Tootal
Posted on Thursday, October 31, 2013 - 09:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check and see if the cap is still on the vacuum port on the side of the throttle body. If it comes off it will suck air and be lean.

That port is above the butterfly and makes no difference to your air fuel ratio. If the caps off you're just sucking unfiltered air in, until it clogs up! Since the problem is off idle it sounds like an intake leak. What year bike?
Top of pagePrevious messageNext messageBottom of page Link to this message

Bigme007
Posted on Thursday, October 31, 2013 - 10:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks for the replies.

Bike is an 06 (built Aug 05).

Starts fine, idles fine, will get up to speed... just cant open the throttle.. have to "nurse" it.

I do take it on LOTS of dirt/gravel... bumpy roads. Possible something got knocked loose. Going to check for loose hoses, etc.. before I dump the fuel.
Top of pagePrevious messageNext messageBottom of page Link to this message

Griffmeister
Posted on Thursday, October 31, 2013 - 10:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'd go along with something disconnected under the airbox. That's exactly how my bike acted the last time I rotated the engine. Thought it was all good until I went for a ride and found that I couldn't open the throttle without the engine dying. Pulled the airbox off and the rubber intake tube came with it. Snap ring wasn't on properly and probably causing trouble with some other components under there. Put it back a little more carefully and everything was fine. Hope you spot something right away.
Top of pagePrevious messageNext messageBottom of page Link to this message

Goodburbon
Posted on Friday, November 01, 2013 - 01:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That's not normal?
Top of pagePrevious messageNext messageBottom of page Link to this message

Arcticktm
Posted on Friday, November 01, 2013 - 12:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I hope your are kidding!
If not, NO that is not normal.
These bikes jump/wheelie like crazy when running properly.
Top of pagePrevious messageNext messageBottom of page Link to this message

Buewulf
Posted on Friday, November 01, 2013 - 01:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Did you disconnect the IAT yet to confirm? You can also try cleaning it with alcohol.
Top of pagePrevious messageNext messageBottom of page Link to this message

Griffmeister
Posted on Saturday, November 02, 2013 - 12:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Can you pass the alcohol through a suitable medium first?
Top of pagePrevious messageNext messageBottom of page Link to this message

Natexlh1000
Posted on Saturday, November 02, 2013 - 10:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

No. do not mess with cleaning the intake air temp sensor with solvents.
If it's oily, just leave it be.

Oil won't damage the sensor or interfere with it. Solvents may.
Top of pagePrevious messageNext messageBottom of page Link to this message

Bigme007
Posted on Saturday, November 02, 2013 - 10:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks for the replies.

Took only 5 minutes to find the problem (once I found the time).... Throttle body intake hose was not seated. Almost certianly a result of a recent plug change. I probably loosened it when removing the air cleaner base and a few trips down some less than smooth roads, finished the job.

Getting it reseated and installing the large clip, took another 20 minutes and a few well chosen words.

For the record: If your bike ever exhibits symptoms like those I described, it is a good idea to check the intake hose.

Chalk one problem up to - self induced.
Top of pagePrevious messageNext messageBottom of page Link to this message

Argentcorvid
Posted on Saturday, November 02, 2013 - 06:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That spring clip was a bitch to get off when I rotated my engine. My stubby fingers didn't help either. I used some big retaining ring pliers to get it off and a big zip tie around the prongs to keep it opened up until I was ready to put it back on.
Top of pagePrevious messageNext messageBottom of page Link to this message

Griffmeister
Posted on Saturday, November 02, 2013 - 11:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

See what I mean? Doesn't take much sometimes but always good when it works out in the end.
« Previous Next »

Add Your Message Here
Post:
Bold text Italics Underline Create a hyperlink Insert a clipart image

Username: Posting Information:
This is a private posting area. Only registered users and custodians may post messages here.
Password:
Options: Post as "Anonymous" (Valid reason required. Abusers will be exposed. If unsure, ask.)
Enable HTML code in message
Automatically activate URLs in message
Action:

Topics | Last Day | Tree View | Search | User List | Help/Instructions | Rules | Program Credits Administration