Just wondering, how many crack exhaust systems out there ? - BMW Luxury Touring Community
 
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post #1 of 20 Old May 6th, 2010, 8:51 am Thread Starter
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Just wondering, how many crack exhaust systems out there ?

Hello all,

My 2000 LT had the exhaust replaced around 84,000 right before I purchased it because it was cracked, and now my 03 has cracked right between the converter and the muffler and I have to weld it. One of the local shops parts guys said he had his welded too. Is this a common problem ?

Phil Konzak

1972 Honda SL 125 (1 st bike)(rest in peace)
1974 Honda CB350 F1 (smoothness personified)
1973 Honda CB350 twin (unsafe at any speed)
1971 Kawasaki H-1A 500 (wheelie King)
1975 Honda GL1000 (4 into 1 header, Vetter fairing)
1981 KTM 420 Enduro (fast and smooth)
1979 Yamaha 750 Special (suprisingly fast)
1981 Honda GL1100 Interstate (rough rider)
2000 K1200LT ICon (gone but not forgotten)

2003 K1200LTE Silver Lightning 131,637 miles 07/01/13

Gear Up Every Time You Ride !
The Skin You Save Will Be Your Own !

I'm sorry but the laws of physics prevent me from going any faster than the vehicle directly in front of me !
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post #2 of 20 Old May 6th, 2010, 9:30 am
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Re: Just wondering, how many crack exhaust systems out there ?

I would not call it a "Common" problem but it has been reported a few times.

Stevie Shreeve
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post #3 of 20 Old May 6th, 2010, 10:21 am
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Re: Just wondering, how many crack exhaust systems out there ?

Every LT I have looked under has a very small hole in the rear of the collector box. Mine hasn't got any bigger in years, but it seems a weak point.

"Whenever you find you are on the side of the majority, it is time to pause and reflect" Mark Twain


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post #4 of 20 Old May 6th, 2010, 10:53 am
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Re: Just wondering, how many crack exhaust systems out there ?

I would call it fairly common, I have welded two and I see my current LT is starting to crack. Now on the up side if you do a good job and add a small metal brace when welding it should last 100K or so.

John & Cathy
Northern CA
01 K1200LTC Basalt - Moose


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post #5 of 20 Old May 6th, 2010, 11:02 am
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Re: Just wondering, how many crack exhaust systems out there ?

Quote:
Originally Posted by katnapinn
I would not call it a "Common" problem but it has been reported a few times.
I wouldn't call it 'common' either, based on the total number of LTs on the road from the earlier model years - however:

Ole Toad's cracked.
Grif's cracked.
Woody's cracked.
Dave Moores' cracked.
Bert's cracked.
And all at the same joint, near a weld.

And I have two in my storage unit that were cracked, and one that Shreeve has that might be cracked (you diagnosed a crack in that one yet, Stevie?).

So - if you go on that limited scenario, you *could* say it's common - at least locally!!
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post #6 of 20 Old May 6th, 2010, 12:35 pm Thread Starter
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Re: Just wondering, how many crack exhaust systems out there ?

I should have noted that the strap which seems to have been put on to stop such a problem............is cracked...........so much for that measure of reinforcement !

Phil Konzak

1972 Honda SL 125 (1 st bike)(rest in peace)
1974 Honda CB350 F1 (smoothness personified)
1973 Honda CB350 twin (unsafe at any speed)
1971 Kawasaki H-1A 500 (wheelie King)
1975 Honda GL1000 (4 into 1 header, Vetter fairing)
1981 KTM 420 Enduro (fast and smooth)
1979 Yamaha 750 Special (suprisingly fast)
1981 Honda GL1100 Interstate (rough rider)
2000 K1200LT ICon (gone but not forgotten)

2003 K1200LTE Silver Lightning 131,637 miles 07/01/13

Gear Up Every Time You Ride !
The Skin You Save Will Be Your Own !

I'm sorry but the laws of physics prevent me from going any faster than the vehicle directly in front of me !
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post #7 of 20 Old May 6th, 2010, 5:21 pm
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Re: Just wondering, how many crack exhaust systems out there ?

Mine cracked at 130k, right where the 4 come together, Almost impossible to weld.
Finally bought a good used one from Hans, thanks. NP the last 40k. Be careful taking it off the back is fairly heavy.


Zeke

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post #8 of 20 Old May 7th, 2010, 12:53 am
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Re: Just wondering, how many crack exhaust systems out there ?

2002 with a small split in the welded seam - leaks fluid during start up ad idle on the floor
Need to get that welder our one day!! Only problems is that is is upside down - I hate that when this happens!!

Dan Finazzo
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post #9 of 20 Old May 7th, 2010, 6:31 am
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Re: Just wondering, how many crack exhaust systems out there ?

Does anyone have a pic of a crack or where this occurs? I don't mean men's ass cracks either. Womens ass cracks ok though.
I have a rattle and have retorqued all of the header bolts. Just would like to check mine.
Thanks all

Marc Pillis- MSF Rider Coach
Union, Kentucky
2005 LT
2004 R1150GS Adventure
2013 DR650
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post #10 of 20 Old May 7th, 2010, 7:43 am Thread Starter
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Re: Just wondering, how many crack exhaust systems out there ?

I'll take some pics before I weld it tonight and try to get them posted soon.

Phil Konzak

1972 Honda SL 125 (1 st bike)(rest in peace)
1974 Honda CB350 F1 (smoothness personified)
1973 Honda CB350 twin (unsafe at any speed)
1971 Kawasaki H-1A 500 (wheelie King)
1975 Honda GL1000 (4 into 1 header, Vetter fairing)
1981 KTM 420 Enduro (fast and smooth)
1979 Yamaha 750 Special (suprisingly fast)
1981 Honda GL1100 Interstate (rough rider)
2000 K1200LT ICon (gone but not forgotten)

2003 K1200LTE Silver Lightning 131,637 miles 07/01/13

Gear Up Every Time You Ride !
The Skin You Save Will Be Your Own !

I'm sorry but the laws of physics prevent me from going any faster than the vehicle directly in front of me !
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post #11 of 20 Old May 7th, 2010, 11:03 am
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Re: Just wondering, how many crack exhaust systems out there ?

Mine cracked. Had it welded. Good as new.

Remember, the exhaust is STAINLESS STEEL and requires special welding.

__________________________________________
Pace (Pawkee) Bonner
Pflugerville, TX

2000 K1200LT (hybrid)
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post #12 of 20 Old May 7th, 2010, 11:20 am
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Re: Just wondering, how many crack exhaust systems out there ?

My 2003 cracked at about 40K miles. Had it welded by expert. No problems---but a hassle.
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post #13 of 20 Old May 7th, 2010, 7:32 pm Thread Starter
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Re: Just wondering, how many crack exhaust systems out there ?

Here are the crack pictures from my 03's exhaust.
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Phil Konzak

1972 Honda SL 125 (1 st bike)(rest in peace)
1974 Honda CB350 F1 (smoothness personified)
1973 Honda CB350 twin (unsafe at any speed)
1971 Kawasaki H-1A 500 (wheelie King)
1975 Honda GL1000 (4 into 1 header, Vetter fairing)
1981 KTM 420 Enduro (fast and smooth)
1979 Yamaha 750 Special (suprisingly fast)
1981 Honda GL1100 Interstate (rough rider)
2000 K1200LT ICon (gone but not forgotten)

2003 K1200LTE Silver Lightning 131,637 miles 07/01/13

Gear Up Every Time You Ride !
The Skin You Save Will Be Your Own !

I'm sorry but the laws of physics prevent me from going any faster than the vehicle directly in front of me !
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post #14 of 20 Old May 7th, 2010, 8:30 pm
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Re: Just wondering, how many crack exhaust systems out there ?

It doesn't surprise me that the exhaust systems fracture at the welds. Way before this post I have been looking at the exhaust pictures on this forum. Have you looked at the pictures of factory exhaust welds posted on this site? The welds look like they were done by drunk primates (don't mean to offend any drunk primates!). They look terrible, splattered, all globbed up and thick. Horrible! Believe me, I'm no welder but I could do at least as badly!

Any idea why BMW puts them on the road like this?

Loren

WAK1200LT
Loren

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post #15 of 20 Old May 16th, 2010, 11:11 am Thread Starter
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Re: Just wondering, how many crack exhaust systems out there ?

Mine was very neatly welded. I think it just nneds to be thicker or have another hanger to reduce the stress on that point. Obviously they added that strap to try to stop it from cracking there but the stress was great enough to break the strap.

Phil Konzak

1972 Honda SL 125 (1 st bike)(rest in peace)
1974 Honda CB350 F1 (smoothness personified)
1973 Honda CB350 twin (unsafe at any speed)
1971 Kawasaki H-1A 500 (wheelie King)
1975 Honda GL1000 (4 into 1 header, Vetter fairing)
1981 KTM 420 Enduro (fast and smooth)
1979 Yamaha 750 Special (suprisingly fast)
1981 Honda GL1100 Interstate (rough rider)
2000 K1200LT ICon (gone but not forgotten)

2003 K1200LTE Silver Lightning 131,637 miles 07/01/13

Gear Up Every Time You Ride !
The Skin You Save Will Be Your Own !

I'm sorry but the laws of physics prevent me from going any faster than the vehicle directly in front of me !
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post #16 of 20 Old May 16th, 2010, 11:41 pm
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Re: Just wondering, how many crack exhaust systems out there ?

Quote:
Originally Posted by wa1200lt
It doesn't surprise me that the exhaust systems fracture at the welds. Way before this post I have been looking at the exhaust pictures on this forum. Have you looked at the pictures of factory exhaust welds posted on this site? The welds look like they were done by drunk primates (don't mean to offend any drunk primates!). They look terrible, splattered, all globbed up and thick. Horrible! Believe me, I'm no welder but I could do at least as badly!

Any idea why BMW puts them on the road like this?

Loren
Funny, I thought the same thing. I am a certified stick welder. Haven't welded too much thin stuff, but I could do a lot better than those pics. Obviously not done by robots.

BMW 1200 LTC 2002


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post #17 of 20 Old May 19th, 2010, 12:14 am
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Re: Just wondering, how many crack exhaust systems out there ?

Mine cracked/broke near the weld joints on my 2000, a month after it's 6th birthday, with just over 70k on the clock. My fix: Remus - still going fine after almost 30k more (no stake in the company). The only problem with it is that when I change the rear tire/pull wheel off, need to take it off as well due to clearance problems.

John Richardson
--keeper of "The Beast"
2k Champagne LTC
Salem, OR.
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post #18 of 20 Old May 19th, 2010, 8:05 am
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Re: Just wondering, how many crack exhaust systems out there ?

Mine cracked sometime last season and you could hear it when cold and when it heated up the crack closed so you couldn't hear it. Sometimes, I got the tell tale back fire when I let off of the throttle last fall. Had the exhaust welded this winter, good as new.

Just Go
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post #19 of 20 Old May 19th, 2010, 11:07 pm
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Re: Just wondering, how many crack exhaust systems out there ?

Had mine welded last week, 2003 with 36K.

Will Hedgspeth
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post #20 of 20 Old Jun 28th, 2010, 11:45 pm
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Re: Just wondering, how many crack exhaust systems out there ?

Mine is cracked same place same strap. Cracked 2/3 of the way around. I just passed 36,000 miles. I assume it's been cracked for awhile though it hasn't been noisy.

John

2002 K1200LT
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