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

Buell Forum » XBoard » Buell XBoard Archives » Archive through May 26, 2007 » XB's and valve adjustments? « Previous Next »

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

Dschley
Posted on Tuesday, May 22, 2007 - 12:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Do they need routine valve adjustments. Just wanted to know
Top of pagePrevious messageNext messageBottom of page Link to this message

Etennuly
Posted on Tuesday, May 22, 2007 - 12:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you were to ask this question twice the answer would be NO, and NO.
Top of pagePrevious messageNext messageBottom of page Link to this message

Interex2050
Posted on Tuesday, May 22, 2007 - 01:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Got to love those hydraulic lifters...
Top of pagePrevious messageNext messageBottom of page Link to this message

Dschley
Posted on Tuesday, May 22, 2007 - 11:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks, sorry about the double wammy
Top of pagePrevious messageNext messageBottom of page Link to this message

Ridrx
Posted on Tuesday, May 22, 2007 - 01:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Which raises the question...What IS all that "valve train" noise if there is zero lash?

My neighbor converted his Bug to hyd. lifters and it became MUCH quieter.
Top of pagePrevious messageNext messageBottom of page Link to this message

Blake
Posted on Tuesday, May 22, 2007 - 02:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

We like to call it "character." : D
Top of pagePrevious messageNext messageBottom of page Link to this message

Ridrx
Posted on Tuesday, May 22, 2007 - 05:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OK, but from where does this "character" originate? Seriously, what mechanical parts are responsible for making all that ruckus...er,uh, I mean "character"?
Top of pagePrevious messageNext messageBottom of page Link to this message

Xbeau12s
Posted on Tuesday, May 22, 2007 - 06:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

you mean the coffee can full of nickels that sits under the airbox? psh... just get a loud muffler and there ya go. Then nobody can hear your coffee can full of nickels.
Top of pagePrevious messageNext messageBottom of page Link to this message

Etennuly
Posted on Tuesday, May 22, 2007 - 06:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

but from where does this "character" originate? That is easy..the engine.

what mechanical parts are responsible for making all that ruckus...er,uh, I mean "character"? That is easy too...most of them that are moving, and those that are acted upon by those that are moving.

Have you ever heard a HD engine with quiet pipes? That is why there are so many optional pipes. That is also the reason HD 60W exists.
Top of pagePrevious messageNext messageBottom of page Link to this message

Beachbuell
Posted on Tuesday, May 22, 2007 - 06:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If your Buell doesn't sound like a hand full of nickels in a blender then something is wrong with it. I love mine! Oh yeah and there is no such thing as valve adjustment on these pushrod motors. They are self adjusting.
Top of pagePrevious messageNext messageBottom of page Link to this message

Motornoggin
Posted on Tuesday, May 22, 2007 - 06:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Even though the valve train is hydraulic, the parts still move and there is still lash during certain parts of the valve lift cycle. The architecture of the engine also tends to amplify valve train noise. Motorcycles don't need to meet the same NVH specs as automobiles so little engineering effort is put into reducing noise. Many would say the noise is welcomed as part of the bike's "character".

Doesn't bother me at all.
Top of pagePrevious messageNext messageBottom of page Link to this message

Ridrx
Posted on Tuesday, May 22, 2007 - 10:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's not so much that the "character" bothers me, character is one of the reasons I bought a Buell.

I'm not really looking to drown it out,just identify the source.
Top of pagePrevious messageNext messageBottom of page Link to this message

Mr_gto
Posted on Wednesday, May 23, 2007 - 01:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I agree with Blake. If any of you have ever stood next to a blown big-block drag car there are alot of odd noises, but it makes you hair stand on the back of your neck!!
Top of pagePrevious messageNext messageBottom of page Link to this message

M1combat
Posted on Wednesday, May 23, 2007 - 05:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There are five points of contact in "each" valve train AND we don't have water jackets. I think that most of what you hear is the valves closing against the heads. That's about the only place where something should be slamming against something else in the valve train. The other stuff would be the chain on the tensioning shoe I believe.
Top of pagePrevious messageNext messageBottom of page Link to this message

Ridrx
Posted on Wednesday, May 23, 2007 - 10:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

M1combat,
Thanks, that's what I was looking for.
Top of pagePrevious messageNext messageBottom of page Link to this message

Blake
Posted on Thursday, May 24, 2007 - 03:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Backlash between cam drive gears is another source. The valve springs via the rockers and pushrods and lifters can actually backdrive the cams and their gears as the cam lobe rotates past peak lift.
Top of pagePrevious messageNext messageBottom of page Link to this message

Ridrx
Posted on Thursday, May 24, 2007 - 01:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Has anyone ever used a hydraulic roller cam in a Buell/Harley?
Top of pagePrevious messageNext messageBottom of page Link to this message

Freezerburn
Posted on Thursday, May 24, 2007 - 02:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Each time I shift gears on my XB it reminds me of Money by Pink Floyd.
Top of pagePrevious messageNext messageBottom of page Link to this message

Ducxl
Posted on Thursday, May 24, 2007 - 02:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Has anyone ever used a hydraulic roller cam in a Buell/Harley?

they already ARE equipped with roller lifters.But you can install roller ROCKERS.

(Message edited by ducxl on May 24, 2007)
Top of pagePrevious messageNext messageBottom of page Link to this message

Ridrx
Posted on Thursday, May 24, 2007 - 04:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

...ahhhhhhhh, I guess I should've researched a bit before asking but since we were already on the topic of valve trains..
« Previous Next »

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

Username: Posting Information:
This is a public posting area. Enter your username and password if you have an account. Otherwise, enter your full name as your username and leave the password blank. Your e-mail address is optional.
Password:
E-mail:
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