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Old 09-06-2008, 10:50 AM   #31
Doug Grosjean
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Location: Northwest Ohio, USA
Oddometer: 281
Quote:
Originally Posted by BMWzenrider
That is just my point, with the dual-sport knobbies that most run on the GS models, it would be hard to detect the faint rumble through the rear end that I could feel on the RT and on the R65 with smoother street rubber.

btw - nice to hear from you again Doug!
Point taken. I do run the dualsport treads on it, as I do go down trails and abandoned RR grades with it now and then.

Grin - last time it was offroad was to motor out to a buncha steam tractors in a field of wheat stubble (with permission), to discuss a group photo of their tractors. A big bike in a wheat field with steam tractors kinda surprised some of the tractor owners....

Thanks for the welcome. Been away for at least a couple years, as I couldn't login, and my ISP for some reason wasn't letting the Advrider email with my password, into my inbox. Resolved....
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1992 R100gs - 102k (62k are mine)
1993 DR-350s - 52k
2000 Concours - 91k

A slew of others, come and gone....

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Old 09-06-2008, 03:33 PM   #32
datchew
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Location: Savannah - the dirty south
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Quote:
Originally Posted by bgoodsoil

I ordered a new Ohlins from kyle racing, $700 for one dang shock, but it glowed like some kinda Indiana Jones treasure box when I opened it.

Excellent. +50 adv points for a reference to Indiana Jones. And i'm talking the trilogy, before it was tainted.
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Old 09-06-2008, 11:51 PM   #33
Kokopelli
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Can any of you guys tell me if my 1996 R80GS Basic will have that circlip installed? I don't really need another thing to worry about.
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Old 09-07-2008, 12:57 AM   #34
BMWzenrider
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Quote:
Originally Posted by Kokopelli
Can any of you guys tell me if my 1996 R80GS Basic will have that circlip installed? I don't really need another thing to worry about.
So far as I know, they began putting the circlip back onto the output shafts sometime early in the 1995 production run, so your '96 should be Ok.

The best way to determine this is to check the serial number of the transmission.
It will be located on the left side, just below the air cleaner housing on your bike. (on 1980 and earlier it is on the web inside the aircleaner housing)

According to SnowBum's excellent article on the circlip issue,
Quote:
Originally Posted by SnowBum
"Transmissions beginning with serial 240765 had the circlip re-installed. Confusingly, no year was specified, but it appears to be mid or late 1995."
http://bmwmotorcycletech.info/transmission.htm

So, if your serial number is later/higher than #240765, you have the circlip installed from the factory.

But you shouldn't have anything to worry about with a 1996 model...

Except jealousy from all of us poor stateside bastards who never got a chance to purchase one!
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Old 09-07-2008, 01:23 AM   #35
Kokopelli
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Quote:
Originally Posted by BMWzenrider

So, if your serial number is later/higher than #240765, you have the circlip installed from the factory.
Thank you very much for this info. I'll check tomorrow.
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Old 09-09-2008, 07:43 AM   #36
TEXASYETI
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Quote:
Originally Posted by bgoodsoil
a coupla weeks ago I was cutting down a few trees at my church and had to haul the logs waaaay off into the woods.
Dude, i think you need a "proper tractor"!

If you have seen the Hitler VFR / GS video you know what I mean.

Anywho, nice bike and good luck with it!
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Old 09-10-2008, 06:55 AM   #37
Matt the Wanderer
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Laugh Circlip

My 94GS had the infamous circlip failure at 29k miles. It appears that the bearing is not rated for side load at all and the helical gear's sidethrust was too much for it. One bearing failed and put debris in the oil-got into another bearing-on down the line until the whole thing was loose. A competent shop made it all right again and lightened my wallet less than expected. Doing the same thing preventatively will cost the same, but it will give you peace of mind.
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Old 09-10-2008, 09:25 AM   #38
Doug Grosjean
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Probably cheaper if you catch it before it fails, because the metal bits going around in the oil as the bearing fails could damage other parts in the gearbox.

In my own case, maybe I'd have been able to skip replacing 5th gear, which IIRC was around $200.

Or maybe not - bike had just under 90k miles at failure.

FWIW, I asked one local dealer when I bought the bike about being proactive on the circlip issue, and the response was like "Why bother? It won't instantly fail. Plus it's likely that the ones running around out there now, 16 years later, either aren't going to fail, or already have." Not sure I agree with that, but it matched my philosophy of trying not to spend money needlessly.

Much later, when it did fail, I figured I'd gotten 50k miles out of the bike in 3 years, so no worries.....

OTOH, if I'd been planning a trip to Alaska or something, I'd have fixed it proactively, just because it would really suck to be stuck up there for a month.
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Doug Grosjean
Pemberville, Ohio
douggrosjean@gmail.com

1992 R100gs - 102k (62k are mine)
1993 DR-350s - 52k
2000 Concours - 91k

A slew of others, come and gone....

Author of "Wheels"...
Owner / Operator of 1919 #10 Cirkut camera
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Old 09-10-2008, 11:34 AM   #39
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They dont fail "instantly" but they can go seriously south in under 500 miles. Thats not to say that I would proactively go in there, but if its not done I think its only a matter of time, eh?
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Old 09-10-2008, 12:24 PM   #40
Doug Grosjean
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Location: Northwest Ohio, USA
Oddometer: 281
Quote:
Originally Posted by Stagehand
They dont fail "instantly" but they can go seriously south in under 500 miles. Thats not to say that I would proactively go in there, but if its not done I think its only a matter of time, eh?

No anger meant by itemizing, just easier to present the answers that way.

1. I put about 300-400 miles on mine when the leak first started. Leak was eventually bad enough that I had to add oil to the trans just to limp it in, and the back tire looked like I'd dipped it it Tire-Renew, at least on the RH side. I do sorta wonder if a lack of lube contributes to the other parts failing, the further you go? I kept lube in mine, adding as needed, so maybe that's why I didn't lose more hard parts. Dunno for sure.

2. I'd be proactive if there was a once-in-lifetime trip to Alaska or South America coming up. It's a gamble - it wouldn't bother me so much to limp home from the BRP; it's not far. But it would really suck to have to fly home from Whitehorse YT, while my bike stayed, to be shipped home or retrieved at a later time....

3. I don't know if they all fail or not. Both my local dealers seemed to think not, and pooh-poohed my original idea 3 years ago of just fixing it ahead of time. Some folks seem to think it's a high-mile failure, but somebody here (in this thread) had the issue at 29k miles. Doesn't seem like a high-mile number to me.... So who knows whether they all fail or not..?
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Doug Grosjean
Pemberville, Ohio
douggrosjean@gmail.com

1992 R100gs - 102k (62k are mine)
1993 DR-350s - 52k
2000 Concours - 91k

A slew of others, come and gone....

Author of "Wheels"...
Owner / Operator of 1919 #10 Cirkut camera
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Old 09-10-2008, 12:35 PM   #41
SOLO LOBO
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Quote:
Originally Posted by Doug Grosjean
I don't know if they all fail or not. Both my local dealers seemed to think not, and pooh-poohed my original idea 3 years ago of just fixing it ahead of time.

The important thing to condiser when speaking to dealers (many anyway) is that airheads haven't been made for 14 models years, few younger BMW techs have owed much less wrenched on them, and overall the knowledge is lacking as airhead owners don't typically take their bikes to the most expensive place (dealers) to have them fixed...

I am a firm believer in using airhead specialists for bigger jobs, and would say a trany rebuild falls into this specialist knowledge area (heck, my local independant but highly certified BMW tech agrees and won't do trannies!). I worked at my local dealer back in 2000, and they only had one guy who was really, really good at airheads and tackled everything above maintenance. He rode one every day.

So listen to what everyone has to say about the circlip, and then make your own decision. With my last bike, a 1993 R100GS, I decided to just ride it until something broke, but to save my $ up and tackle the trans rebuild at a later winter to be named later......

The trans on my replacement bike ('81 G/S) did take a dump on me, and cost $1,100 to rebuild... ouch. It came from the factory with the circlip!!!
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.
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Old 09-10-2008, 12:48 PM   #42
datchew
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Quote:
Originally Posted by SOLO LOBO

The trans on my replacement bike ('81 G/S) did take a dump on me, and cost $1,100 to rebuild... ouch. It came from the factory with the circlip!!!

All good points. Especially that one.

I'm not doing the TAT, or going to Alaska until the kids are old enough that the wife can send them away to retain sanity while i'm on a real adventure.
Thus, my 89 GS with damn near 70k (really more like 80 i think) doesn't have a circlip if you go by the book.

I'm gonna give it lube and ride it. According to Oak, don't flog it or dog it in 5th, use it only for overdrive, and it'll have a gentler life. I'll let you guys know if/when it fails. I'm not gonna open it up until it stops shifting or starts growling or a serious trip come on the radar (which might be sometime after the /2 is finished. )
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Old 09-10-2008, 12:48 PM   #43
Stagehand
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Quote:
Originally Posted by Doug Grosjean
No anger meant by itemizing, just easier to present the answers that way.

1. I put about 300-400 miles on mine when the leak first started. Leak was eventually bad enough that I had to add oil to the trans just to limp it in, and the back tire looked like I'd dipped it it Tire-Renew, at least on the RH side. I do sorta wonder if a lack of lube contributes to the other parts failing, the further you go? I kept lube in mine, adding as needed, so maybe that's why I didn't lose more hard parts. Dunno for sure.

2. I'd be proactive if there was a once-in-lifetime trip to Alaska or South America coming up. It's a gamble - it wouldn't bother me so much to limp home from the BRP; it's not far. But it would really suck to have to fly home from Whitehorse YT, while my bike stayed, to be shipped home or retrieved at a later time....

3. I don't know if they all fail or not. Both my local dealers seemed to think not, and pooh-poohed my original idea 3 years ago of just fixing it ahead of time. Some folks seem to think it's a high-mile failure, but somebody here (in this thread) had the issue at 29k miles. Doesn't seem like a high-mile number to me.... So who knows whether they all fail or not..?
No anger taken! Hope I didnt sound like I did, I was just trying to add to the conversation.

I agree, proactivity before a high-risk trip like that would be smart.

I wonder if there's a registry of failure of some kind, at least buried in the minds of some of the trans rebuilders, like there is with the paralever drive shaft and oilhead final drive.
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Old 09-10-2008, 12:50 PM   #44
SOLO LOBO
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Quote:
Originally Posted by datchew
I'm not doing the TAT, or going to Alaska until the kids are old enough that the wife can send them away to retain sanity while i'm on a real adventure.
I'm on the same "big trip" schedule 'chew.... listen closley here....

MAKE SURE TO PING ME WHEN YOUR KIDS/WIFE REACH THIS POINT, I WANT TO RIDE ALONG WITH YOU!!!
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.
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Old 09-10-2008, 12:58 PM   #45
Stagehand
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Quote:
Originally Posted by SOLO LOBO
I'm on the same "big trip" schedule 'chew.... listen closley here....

MAKE SURE TO PING ME WHEN YOUR KIDS/WIFE REACH THIS POINT, I WANT TO RIDE ALONG WITH YOU!!!

sanity is overrated. You all are going to tell me to shut up, but I want to come, too
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