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

Buell Forum » Old School Buell » Archive through June 11, 2011 » Carb Question « Previous Next »

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

Scm2
Posted on Thursday, June 09, 2011 - 11:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm having an issue where when I crack the throttle open it bogs down for a half of a second then accelerates. I have gone through the carb and cleaned it and the jets are a 45 and a 190 with a Dynojet Thunderslide kit. I have noticed when I have the air filter off and when I hit the throttle the accelerator pump sprays fuel but it hits the slide and sprays back at me. After a good ride the air filter is saturated with gas as well which leads me to believe that the slide is not functioning properly. I have raised the slide and it moves freely and lowers back down slowly. It runs fine other wise it’s just when I hit the throttle it has an issue.

Thanks for your help!
Top of pagePrevious messageNext messageBottom of page Link to this message

Duceater
Posted on Thursday, June 09, 2011 - 12:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i wonder if your float is set too high or is not closing all the way. You cold have gas overflowing into your carb at idle. when you have the air filter off, do you see gas coming out of one of the holes when the bike is just idling (not the accelerator pump)? does it run a little rough if you lower the idle speed? I don't have a tach, so I'm not sure what idle you'd want to lower it too. I hope that makes sense. let me know if it doesn't and I'll try to get more specific.
Top of pagePrevious messageNext messageBottom of page Link to this message

Duceater
Posted on Thursday, June 09, 2011 - 12:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

actually if your float isn't shutting off the incoming fuel, you won't need to have the bike running to see the fuel entering the velocity chamber (is that what its called?). Just take your air filter off without the bike running and see if fuel is leaking into there.
Top of pagePrevious messageNext messageBottom of page Link to this message

Scm2
Posted on Thursday, June 09, 2011 - 06:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

No it's not filling up with gas. Everything looks to be normal.
Top of pagePrevious messageNext messageBottom of page Link to this message

Jim2
Posted on Thursday, June 09, 2011 - 06:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I can't remember for sure but I think the test for the slide is to use finger and it should raise with very little pressure and return quickly when released. The manual test is in the FSM somewhere.

Make sure the accelerator pump nozzle isn't loose. I think it screws in. If so it's possible it could be pointed wrong.
Top of pagePrevious messageNext messageBottom of page Link to this message

Hellraged
Posted on Thursday, June 09, 2011 - 09:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i had problems with my carb and noone could figure it out. took to a good shop and they found something noone else did. It was missing the grommet around the main jet. check that maybe? im not mechanic btw lol
« 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