K11 Owners Group

[PHIL1601UK]

Just wondered if anyone has managed to get a cracked downpipe successfully welded, given the grade of S/S?

2nd question - If anyone runs a Remus, how does this change the character of the bike? I really enjoy the sound of the engine and the exhaust note of the factory fitted silencer.
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1996 Aspen Silver K1100LTSE - acquired 23/03/07

[CheapJapCopy]

I managed it fine with a local welder in an industrial unit. Is it cracked where it joins the silencer?
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1992 K1100RS - Red and gold.

[BlackHoof]

Howdy from the midwest,

My bike came with a Remus pipe & most of the time I find it to
be an okay alternative to the steathy stocker. If you ride with
the hard bags installed there seems to be a louder resonance
which can be annoying, & slower in town speeds seem to cause
a louder drone than I'd like. But, if you want to exibit some
hooligan type youthful exuberance you can grab a handful &
let em rap. I doubt that I would have spent the money for this
exhaust system, but since it came with the bike I'm ok with it.
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Kent

'93 K1100LT- Blurple Colored
Lucky # 887
'27 Bugatti Replica/Kit Car-Dark Purple
'05 Suzuki Brugman/Russell Seat...

[Moondog]

Blackhoof, I had mine welded twice and cracked again. Said to hell with it and put on a Remus. As far as sound is concerned, if it don't sound like a Harley, I am happy. I don't put too much into what the bike sounds like. We are riding not making records (or CD's for the younger crowd)
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"Badges? We don't need no stinking badges"!

I like the social aspect of riding. Rally's, socializing, drinking beer, fartin' and carrying on.

2004 R1150RS
1996 K1100RS (moved on to new home)

[duckbubbles]

I would rather have the quiet of a stock pipe. But after the FOURTH weld on mine, I put a Remus revolution pipe on. Don't worry about the cracking anymore, but I'm not in love with the sound. It's tolerable.

Frank
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85 K100/1100RS, 321,000 miles, 25 years
96 Ducati 900SS/SP, sold it
05 R1200ST, 35,000 miles, 5 years
400,000 BMW miles

[Flying Duck]

I like the Staintunes on my bikes. I don't notice an increase in noise over stock - though there might be a little. I checked their site - doesn't look like they make them for our Ks anymore though.

But the best part is getting the rear wheel off of the RS without having to remove the whole friggin' exhaust assembly - just the can.
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93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE

[Moondog]

[Tim (Midland Section)]

[PHIL1601UK]

Hi folks,

Thanks for the interesting responses, I had a feeling that the remus might be louder than the stock,and I do find the engine note quite sweet as it is. New stock from a dealer retails at just over £700.00, a 2nd used unit around £200.00. It's 12 year old bike, but for the pleasure it brings, worth every penny that I spend. Thanks again guys.
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1996 Aspen Silver K1100LTSE - acquired 23/03/07

[CheapJapCopy]

[mnb]

[Moondog]

[Adrian]

Tim and Phil1601UK (good to see someone else from Bristol here ) where is this big jubilee clip mounted, any pictures? Sounds like a worthwhile preventative measure.

Adrian
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Adrian in Somerset, UK
K1100LT SE
145,000 miles and counting

https://sites.google.com/site/worlestone/

[PHIL1601UK]

Hi Adrian,

Had a quick look at your site - your KLT is the spit of mine - mine's a '96 model with 34500 on the clock at present. Off to Yorkshire this weekend, me and the bike, heaven, and the SatNav for directions. Have you been to a local meet yet? I keep intending to - one day.

Anyway back to the matter in question - I'm thinking if I can get a used exhaust, renew the studs and bolts, well not me, I don't have the wherewithall, but there is a guy in Cardiff who advertises in the journal. Better option than a Remus I think, and the new stock item is just over 700 quid.

Have a good weekend guys, happy and safe motorcycling.
Phil.
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1996 Aspen Silver K1100LTSE - acquired 23/03/07

[Adrian]

I've made it to one or two meetings in the last 8 years, but keep meaning to get to more and out more as well.

Mike Pearce is the independent BMW tech in Cardiff, very good and a lot cheaper that Bath Rd! Just a bit further to travel.

Adrian
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Adrian in Somerset, UK
K1100LT SE
145,000 miles and counting

https://sites.google.com/site/worlestone/

[chopper_harris]

Guys

Any repair on the 4-1 cluster will have limited success due to the initial factory fabrication.
The 4 pipes are mounted in a jig, which simulates the cyl head (one of the team mentioned a wooden block, to do just this )

The open end of the 4 pipes will be welded together, and the central space puddled to form a single mass.

OO
OO

This region is impossible to repair, without opening the muffler itself.
Tacking up the outer areas of the pipes only solves 1/3 of the problem.

The only effective way to stop the pipes cracking again is to weld a 2"x1" gusset along each pair of pipes, upstream of the collector box.

My exhaust is knackered, but I picked up a tidy, solid unit on eBay for £40.
I plan to cut the old unit open, and see what is going on inside. The aim is to clean up the 4 pipes, and fabricate a new 4-1 collector pipe.

Similar to the Suzuki Bandit, this gives me a range of muffler options with a standard collector.

Well, that is the theory - let's see how this progresses
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C1 200 (2001)
R100 RS (1990)
NSU Quickly N (1964)
Honda 400/4 F1 (1977)
MotoGuzzi 1000C (1978)
Suzuki TL 1000 R (1999)
Kawasaki KLV1000 (2005)
K12R Sport (2007) - Wifeys

[Geoffm]

This is how I fixed mine:
http://homepages.ihug.co.nz/~gmerryweather/BMW/Repairing%20BMW%20exhaust.html

if you want to see what is inside the join...
Like many others, mine cracked at the collector, and welding didn't work for long. I cut the headers off and welded on 4 stubs of SS tubing to form a slip fit joint. Seems to have fixed it, and it hasn't broken again.
Geoff

[chopper_harris]

Geoff

Outstanding job - You have appx 1mm gap between the old pipes and the boss, which is spot-on.
I had been looking to buy four s/s pipes with a split at the end and clamp welded on, but clearly the gungum method works well.

I've been a MIG (GMAW) man for the past 20 years, but I'm tempted to buy a TIG. With the cost of a roll of stainless MIG wire plus a cylinder of Argon, it makes sense to finally upgrade.

If the Tuttle's can do it, anyone can

Thanks for the excellent shots.
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C1 200 (2001)
R100 RS (1990)
NSU Quickly N (1964)
Honda 400/4 F1 (1977)
MotoGuzzi 1000C (1978)
Suzuki TL 1000 R (1999)
Kawasaki KLV1000 (2005)
K12R Sport (2007) - Wifeys

[RJTrucker]

I do have a stock K1100LT exhaust I am selling to replace anyones that is cracked. This exhaust does not have a spot for an O2 sensor. It was from a 1993 K1100LT. I am not sure which had and didnt have O2 sensors in them. I also dont know if you can remove the O2 sensor if the bike was originally equiped with one.
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Ron
1993 K11LT
1985 K100RS with over 100K on it
1985 K100RS Luftmiester Turbo Work in progress (any help is appreciated)
1974 R90/6

[Tim (Midland Section)]