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

Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Exhaust: Headers, Muffler, Gaskets, Supports » Archive through September 19, 2006 » Archives » Archive through March 29, 2002 « Previous Next »

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

Henrik
Posted on Sunday, March 24, 2002 - 01:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Peter and all: I've been looking for that piece of info as well. It may have been at Sporttwin I saw it as well.

Anyhoo, my service parts guy have them on order from Buell according to this extended Bulletin, so the info must be available to the dealers.

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

Tonyinvabeach
Posted on Sunday, March 24, 2002 - 03:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I stripped the front hex head on the muffler mount. I think I can get enough bite to hold it in place if I can turn the nut on the other side. It looks as though I'll have to remove the voltage regulator to get access to it. Is this true or is there an easier way? Or, should I just go out and buy and extractor for the hex bolt? Appreciate the help.
I've got a 2000 M2 Cyclone with the old front mounting bracket.
v/r Tony
Top of pagePrevious messageNext messageBottom of page Link to this message

Reepicheep
Posted on Monday, March 25, 2002 - 10:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tony... the updated front exhaust mount relocates the voltage regulator anyway, so if you are going to upgrade while you have it apart (and I highly recommend it based on a couple of very dark days with a busted header stud), it will have to come off anyway.

I can't recall what order I did it in when I pulled it apart...
Top of pagePrevious messageNext messageBottom of page Link to this message

M2_Bob
Posted on Monday, March 25, 2002 - 12:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Jerome, Rippin, Archer,

Sorry about the delay getting back to you, I just got back to the office today. I put some more miles on the D&D this weekend, and yep it is loud. The only way for the ST to be as loud as the D&D would be to put in the max number of disks, with no end cap, and remove all the packing. It really sounds mean, and the performance, by the seat of the pants, is there to back it up. At idle there is a low rumble that reminds me of a '69 Firebird with the 400ci enginge I once had. Off idle, it is loud enough to send small children, most animals, and the elderly running for cover. It's not as loud as a Harley with straight pipes, but it gowls meaner than a Harley when you're on the throttle. The performance bump with the whole system, versus the stock header with the ST, really makes my M2 a hoot to ride.

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

Jrh
Posted on Monday, March 25, 2002 - 01:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Got a Force exhaust for my year 2000 M2 about 15
months ago-put it in a room with my other Buell
stuff without looking too closely at it(waiting
to get new cylinders,pitons,etc.) when i read on
BBS someones Force ex. had no provision for a baffle-well i checked mine and surprise-my baffle doesnt fit into pipe and it and my jet silver pipe are not even drilled for one.How
obnoxiously loud are these pipes with no baffle?
Ive got a feeling someone whos deaf and anti environmental could make a fair offer and get this thing cheap.Maybe
Top of pagePrevious messageNext messageBottom of page Link to this message

Hans
Posted on Monday, March 25, 2002 - 01:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tony: The set for the new exhaust mount comes with parts for the different models and has an instruction leaflet included. The voltage regulator has to be remounted but on the same location (2000MII). It is very important that the regulator housing itself makes metal on metal contact with the frame (apart from the earthwire).
Hans.
Top of pagePrevious messageNext messageBottom of page Link to this message

Blake
Posted on Monday, March 25, 2002 - 03:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

JRH: VERY EFFN LOUD!!!
Top of pagePrevious messageNext messageBottom of page Link to this message

Sandmanx1
Posted on Monday, March 25, 2002 - 04:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

This D&D full system is awesome The performance increase from stock is smokingNot to noisy around town but the wife was following me home down the hiway and when i got on it she said she could hear me pulling away from her at the next exit which is at least a mile away Gotta love that
Top of pagePrevious messageNext messageBottom of page Link to this message

Roadrunr
Posted on Monday, March 25, 2002 - 07:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

just got my white bros muffler and was wondering, has anyone ever ran it without the blank disk that is at the end of the muffler? The opening on the end cap seems to be small enough to restrict some airflow...how will it affect the preformance? man it sure sounds sweet without it!
Top of pagePrevious messageNext messageBottom of page Link to this message

M2cyclone00
Posted on Tuesday, March 26, 2002 - 02:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

JRH, the Force is loud, but I love it. Don't bother with the baffle, I don't think it reduces the decibles significantly. I love mine. I've dyno'd it with & without the baffle. I like the results without the baffle better. Especially, if you have any other mods like the heads. It is the best sounding pipe! Sounds like you're racing NASCAR! Come to the dark side Luke.

Dave Frye
Top of pagePrevious messageNext messageBottom of page Link to this message

M2cyclone00
Posted on Tuesday, March 26, 2002 - 02:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

JRH, if you decide you want to have the baffle & get one that actually fits, my suggestion is to rivet it in place with several rivets. I ended up doing that on mine because it helps with torque below 3000rpm slightly & I putt around with my girlfriend quite a bit. You're correct, it doesn't come with any pre-drilled holes to mount the baffle, you have to drill them out. We used 5 stainless steel rivets & one bolt to hold it in place. I've heard of the baffles being blown out when they've been mounted in place with only 1 bolt. But, I'd just skip the whole baffle thing. I should have!
Top of pagePrevious messageNext messageBottom of page Link to this message

Bomber
Posted on Tuesday, March 26, 2002 - 03:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

all . . . . .

I picked up a James top end gasket set a coupleo fo months ago (days before work of HD's new rocker gaskets, natch ) . . ..

there is a set of exhaust header gaskets, but they are fairly square in cross-section, unlike the stockers (which, of course, are tapered on the inner side) . . . .can I use the James gaskets with the stock header?

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

Rall
Posted on Tuesday, March 26, 2002 - 11:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bomber
Yes I have used them and they worked very well. Actually I think they are better than the stock item.
Mark
Top of pagePrevious messageNext messageBottom of page Link to this message

Tommyboy
Posted on Wednesday, March 27, 2002 - 11:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

all,
one of the hangers snapped off of my kooks muffler. i gave kooks a call and found out that i have the old style (bullet shaped) muffler. kooks is now selling a newer muffler shaped more like the buell race muffler. (can shaped) i'm told by kooks that the new muffler has a lot less hi pitched sounds and more low frequency rumble. has anyone seen or hear these mufflers back to back?
regards,
tommyboy of ho-ho-kus, nj
Top of pagePrevious messageNext messageBottom of page Link to this message

Bomber
Posted on Wednesday, March 27, 2002 - 11:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thank Ral . . . .. . as a bonus, they install a heck of alot easier than the stockers!

i owe ya a beer
Top of pagePrevious messageNext messageBottom of page Link to this message

Nicx1
Posted on Thursday, March 28, 2002 - 03:08 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nico,

I live in france and was wondering :
I have the buell racing collector on my X1 and would like to set up a new exhaust that doesn't need be repacking, which one you will advice to me??

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

Mbsween
Posted on Thursday, March 28, 2002 - 07:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hi,
Well I've got the white brothers on and it works great. One last problem, I'm getting a leak from the shifter bolt.

I'm guessing that I have the spacers/Oring that reside between the chin fairing and the primary cover messed up. I also can't find a diagram in the service manual, not to say that it isn't there.

Do any of you 2000 x1 owners know the correct setup?

Thanks
Matt
Top of pagePrevious messageNext messageBottom of page Link to this message

Scot
Posted on Thursday, March 28, 2002 - 09:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Matt, I dont have a answer but I also get a little oil from that bolt. Scot
Top of pagePrevious messageNext messageBottom of page Link to this message

Bluzm2
Posted on Thursday, March 28, 2002 - 11:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Matt and Scott,
If I remember correctly, the bolt is a thru bolt hole that goes all the way into the primary case.
Mine leaked on my M2 also. I used lots of Locktite and a dab of clear silicon caulk near the the outside edge of the primary case.
No more weeping.

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

Roadrunr
Posted on Thursday, March 28, 2002 - 05:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

MATT; mine was leaking also and I put an o-ring on the inside and outside of the chin fairing. Proper torquage shouldn't let it leak where the bolt enters the primary. Steve
Top of pagePrevious messageNext messageBottom of page Link to this message

Nemo
Posted on Thursday, March 28, 2002 - 06:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Has anyone had problems with the D&D slip-on muffler.

My 99m2 with the 45 pilot, 190 main, 2 1/2 turns out mixture screw, n65c needle w/shim, slide drilled, gutted air box and K&N filter. Will cough, backfire and die when leaving a stop on very cold mornings. Scares the HELL out of the minivan moms. If I scream the motor and slip the clutch sometimes I can get away without the cough & backfire. Not just at warm up. It pulled this 10 miles into a 20 mile ride to work. After installing the muffler I had to turn the idle down.

Any help would be great
Thanks
Top of pagePrevious messageNext messageBottom of page Link to this message

Henrik
Posted on Thursday, March 28, 2002 - 08:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nemo: Sounds like you're running lean. Intake leak, or rejet?

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

Blake
Posted on Thursday, March 28, 2002 - 10:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yep, sounds like an intake leak.
Top of pagePrevious messageNext messageBottom of page Link to this message

Redline
Posted on Thursday, March 28, 2002 - 11:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Exhaust Backpressure??


I'm running my 2000 X1 with the Buell race ECM, K&N air filter and a Pro Series II slip-on exhaust (replacement for a broken Super Crapp). I want to remove the endcap and put a cone on the end to give it a bit more noise and get rid of the fluff, fluff of the disks. With an 1 1/4 hole in the end of the cone, is that going to give me enough backpressure so it won't damage the motor? Will I lose power/torque?
Top of pagePrevious messageNext messageBottom of page Link to this message

Blake
Posted on Friday, March 29, 2002 - 01:10 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

No worries, run it straight if you want. Modern exhaust valves/seats can take it. Ever notice all the cruisers running straight pipes?
Top of pagePrevious messageNext messageBottom of page Link to this message

Redline
Posted on Friday, March 29, 2002 - 02:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Blake,
Yes I did but I don't know if they are substituting horsepower/torque for sound! By the sounds of it, it doesn't make a difference. You're not the first person that has suggested that it doesn't hurt anything but I had to get one more opinion. Thanks
Top of pagePrevious messageNext messageBottom of page Link to this message

Aaron
Posted on Friday, March 29, 2002 - 08:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My view: Backpressure is just a bad side effect of baffling, never a good thing in and of itself.
Top of pagePrevious messageNext messageBottom of page Link to this message

Sarodude
Posted on Friday, March 29, 2002 - 10:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My View on Backpressure...

We all have a habbit of looking at a complete system but thinking of individual parts without thought to the consequences of upsetting the synergystic ballance built into it.

(I think) Ideally an engine is tuned so that the PACKAGE works well with a given amount of backpressure - whatever the emissions and noise people's requirements happen to cause. When we go and change ONE thing (saw off the restrictive muffler) we CHANGE the SYSTEM. Maybe the cams would be better with a bit less overlap or less blowdown.

A poor analogy: Imagine somebody put a pin inside one of your shoes. Hey, that foot hurts to walk on! Here's a crutch. Hey, I can unload that foot now! 'Scotty, one pin to beam up.' The pin is now gone but you're still walking around with that crutch. Silly, eh?

There is a constant, however. There isn't an engine tuner worth his salt that will ever disagree with what Aaron has been preaching all along... It just MIGHT be that something else in the engine would have to be changed to take better advantage of the freer exhaust.

-Saro
Top of pagePrevious messageNext messageBottom of page Link to this message

Aaron
Posted on Friday, March 29, 2002 - 10:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Oh, I can guarantee you there are lots of tuners who disagree with much of what I say.

But that's okay. Find any two tuners who agree on everything. It doesn't happen. You can ask the same question to 5 different experts and get 6 different answers. Nature of the beast, everyone develops their own understanding.

I know plenty of folks who I hold in high regard even though I disagree with them on a point or two. They have their reasons for looking at things the way they do. And everyone's understanding of things tends to be fluid, it's constantly subject to revision. If it's not, there's something wrong.

Anyhoo, I have yet to hear a plausible explanation as to how back pressure can ever be a good thing. Where in the 720 degrees of a 4 stroke engine is it a good thing to have the exhaust pushing back at you?

I can definitely see how baffling can be a very helpful thing. Done well it can help time and broaden the desirable waves and attenutate the undesirable waves. Make positive waves hit when the exhaust valve is closed and make negative waves hit when it's open. The only problem with baffling is that it invariably introduces some back pressure.


I hear many people talk about how they made a motor run better by adding some backpressure. But I believe what they really did is alter the waves. I betcha that if they control & time & broaden the waves without adding back pressure it'd run even better.

JMNSHO.
Top of pagePrevious messageNext messageBottom of page Link to this message

Aaron
Posted on Friday, March 29, 2002 - 11:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here's some supporting evidence for my view:

3 torque peaks

Next time someone tells you drag pipes only work at high rpm, show them this chart. This is a LONG open pipe with no baffling and very low back pressure. The long pipe reduces the reflections and broadens the negative wave, and the steps add some more negative waves at different points. You can see how broad the torque curve is (the torque curve essentially shows cylinder fill so it's especially useful when studying exhausts). This isn't optimized by any means, but even so, it ran great. The only problem with it is that the system was huge, and it really needed to be another foot longer. Details. Oh, and it was loud, too.

So we're stuck with using undersized exhausts and playing with backpressure-inducing tricks to make the motors run good over a wide rpm range. Sigh.

If you don't care about the width of the curve, though, you can use an unbaffled short pipe. I do that a lot .

All this is just my understanding and view of the subject, it may be wrong, others almost certainly have a different view, yada-yada.
« Previous Next »

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