Want to Buy an Old R100 - BMW Luxury Touring Community
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post #1 of 11 Old Sep 11th, 2012, 8:32 pm Thread Starter
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Want to Buy an Old R100

I love the looks of the old R100s, especially the early 1980s models.
I want to buy one of these bikes. Can anybody tell me if there are certain years to avoid? Are there any years that are particularly good?

Thanks for the info,
Scott Lewis

"Bescheidenheit Fahlt Schwer Wann Man Fahrt Das Beste"
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post #2 of 11 Old Sep 12th, 2012, 7:15 am
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Re: Want to Buy an Old R100

81-84 not much difference in the models other than disc on rear for upgraded models ie. RT and RS. Brembro brakes better than the earlier ATE style, electronic ignition in the 80's bikes, but there was the exhaust valve problems in the early 80's.Also the early 80's in the US went to the 32 mm Bings from the 40 mm for the R100 so a little less power than the 70's bikes.

I would consider the R80 I find it is a much smoother engine and I don't think there was as much a valve recession problem in these as well.

A lot more info on the Airheads can be found here,

http://www.advrider.com/forums/forumdisplay.php?f=85

Nick
'05 R1200RT
'00 R1100S
'01 R1200C Phoenix
'04 R1200C Montauk
'95 R100R Classic

'84 R80RT (naked)(sold)
'94 R100GSPD (sold)
'84 R100S (wannabe)(sold)
'97 R1100RSL (sold)
'81 R100 (sold)
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post #3 of 11 Old Sep 12th, 2012, 3:40 pm
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Re: Want to Buy an Old R100

Seen a really nice 1995r100rt with 30,000 miles and perfect engine tranny. Jim Vargo is his name 33-523- 8526. I have two beamers now the wife would shoot me,but I would buy it. Jim is a expert BMW mech.
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post #4 of 11 Old Sep 13th, 2012, 7:25 am
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Re: Want to Buy an Old R100

Quote:
Originally Posted by svt40
Seen a really nice 1995r100rt with 30,000 miles and perfect engine tranny. Jim Vargo is his name 33-523- 8526. I have two beamers now the wife would shoot me,but I would buy it. Jim is a expert BMW mech.
+1, 1995 was the last year of the R100's. My '95 R100R is my favorite Airhead of all the ones I have owned.

Nick
'05 R1200RT
'00 R1100S
'01 R1200C Phoenix
'04 R1200C Montauk
'95 R100R Classic

'84 R80RT (naked)(sold)
'94 R100GSPD (sold)
'84 R100S (wannabe)(sold)
'97 R1100RSL (sold)
'81 R100 (sold)
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post #5 of 11 Old Sep 15th, 2012, 2:34 pm
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Re: Want to Buy an Old R100

Quote:
Originally Posted by ScottLewis
I love the looks of the old R100s, especially the early 1980s models.
I want to buy one of these bikes. Can anybody tell me if there are certain years to avoid? Are there any years that are particularly good?

Yes, '83-'84 are better than '81-'82. Improved trans, centerstand, etc.

With BMW, newer is always better, so '84 is the best of this lot.

ALL the R100s '81-'84 have 40mm carbs. 32s didn't arrive until the R100GS and then the return of the RS and RT in '87.

The R80 of this generation is a completely different animal and features less performance combined with poorer fuel economy. But, they do have more reliable cylinder heads.
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Kent Christensen
Albuquerque
'12 R1200RT, '02 R1100S, '84 R80G/S
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post #6 of 11 Old Sep 17th, 2012, 12:15 am Thread Starter
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Re: Want to Buy an Old R100

OK thanks for the good information.

I don't like fairings. I see a lot of these bikes with fairings. Can the fairing be removed?
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post #7 of 11 Old Sep 17th, 2012, 8:21 am
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Re: Want to Buy an Old R100

The fairings can be removed fairly easy. You will need a set of headlight ears and mirrors to complete the job. Plus you lose about 50 pounds off the bike.

Nick
'05 R1200RT
'00 R1100S
'01 R1200C Phoenix
'04 R1200C Montauk
'95 R100R Classic

'84 R80RT (naked)(sold)
'94 R100GSPD (sold)
'84 R100S (wannabe)(sold)
'97 R1100RSL (sold)
'81 R100 (sold)
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post #8 of 11 Old Sep 17th, 2012, 9:54 am
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Re: Want to Buy an Old R100

I also still get a heartbeat when I see an old R100RT. It is an icon, more than any bike of the K-series. I know there is one for sale here (in Switzerland), year 1983, 145K km, very good condition. The guy wants to get rid of it because he wants to sell his house and to reduce his belongings... But I already ride alone on my LT... what would I do with an additional R100RT...

Have a nice day!
Paul
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post #9 of 11 Old Oct 3rd, 2012, 6:42 am
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Re: Want to Buy an Old R100

I have a '79 R100RT that is great imho. It was at the time the most expensive production bike in the world. Only thing I'd really change is the front ATE brake to the Brembo brakes. It just keeps humming along.

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post #10 of 11 Old Oct 3rd, 2012, 11:34 am
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Re: Want to Buy an Old R100

Quote:
Originally Posted by pagl57
I also still get a heartbeat when I see an old R100RT. It is an icon, more than any bike of the K-series. I know there is one for sale here (in Switzerland), year 1983, 145K km, very good condition. The guy wants to get rid of it because he wants to sell his house and to reduce his belongings... But I already ride alone on my LT... what would I do with an additional R100RT...
Youi could ride twice as much.
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post #11 of 11 Old Nov 20th, 2017, 9:35 pm
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Re: Want to Buy an Old R100

"Yes, '83-'84 are better than '81-'82. Improved trans, centerstand, etc.

With BMW, newer is always better, so '84 is the best of this lot"

glad to hear your reply re the 83-84 r100rt as a better machine. I'm looking at an '84 R100RT and have similar questions as the original poster from 2012.
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