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Thread: Rpm/mph r1100s

  1. #1
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    Rpm/mph r1100s

    Hello and good evening.
    I just replaced my R75/6 for a new(er) R1100S. I'm almost part of the 21st Century. What a machine! Literature says 2000 rpm/20 mph. Hence 4Krpm= 80mph. Tach/Speedo says different. 4000 rpm maybe 75 mph. I would appreciate any clarification/explanation. 1999 W/0 ABS. Rear tire size 170/60 ZR 17.
    Thanks,
    Steve

  2. #2
    not so retired henzilla's Avatar
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    Hey Steve,
    Will slide this over to Oilheads at some point to get more exposure .

    Actually spent half the day on our '99 11S today. 4K in 6th seemed to be 70mph if I recall , but rarely use 6th gear unless on a long stretch on a highway. I typically am in 4th or 5th on most rolling and twisty roads. It's a typical BMW in the fact the speedometer is 3-5 off indicated.70 indicated more like 66.

    Don't get caught up in the numbers...just enjoy the S! And post a picture in Oilheads, it drives the RS guys nuts

    Also have a /6...the S stops way better
    Steve Henson
    SABMWRA MOA Club#62's Flat Fixer/ current forum moderator
    It's not the breaths you take, but the moments that take your breath away-D.Dillon/G. Strait

  3. #3
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    Steve good morning. Thank you for the reply. Very much enjoying a contemporary motorcycle. I should have gotten out of the 20th century earlier. That is if 1999 counts as contemporary. Twin front discs, horsepower to spare, mirrors I can see out of, windscreen, heated grips. I'm in love.
    SteveIMG_5318.jpg

  4. #4
    Registered User Rinty's Avatar
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    Quote Originally Posted by spuglisi View Post
    I should have gotten out of the 20th century earlier...
    That was exactly my reaction when I transitioned to a 2002 RS, from an '82.

    The S's are geared shorter than the other Oilers. On the RS and RT, 6th gear will give you 80 mph at 4,000 rpm. It's too tall, for my taste.
    Rinty

    "When you don't know where you're going, any road will get you there."

  5. #5
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    now I know

    Well that explains it. Now all I have to do is get used to that little bit of tail action that I am not familiar with. My mechanic, who truly does know all, says the bike is perfect. It's me that needs some software upgrades.

  6. #6
    Registered User Rinty's Avatar
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    Quote Originally Posted by spuglisi View Post
    Now all I have to do is get used to that little bit of tail action that I am not familiar with....
    What's the tail action?
    Rinty

    "When you don't know where you're going, any road will get you there."

  7. #7
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    tail action

    I've experienced a bit of wobble, slide, shimmy, call it what you want, something that troubles me a bit. More like scares me a bit. As if I hit a slick spot on the road. After speaking with my guru, Dan, I am convinced that it is me, not the bike. Just needs more getting use to. Fabulous machine.

  8. #8
    MOA #24991 Pauls1150's Avatar
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    Bad tire? Wrong pressure? These are the first, easiest, and cheapest things to check.
    Rear drive issue? Paralever needle bearings? Swingarm bearings?
    There are threads in the Oilheads section about each of these; maybe have a BMW-experienced mechanic have a look.

  9. #9
    Registered User Rinty's Avatar
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    Quote Originally Posted by spuglisi View Post
    I've experienced a bit of wobble, slide, shimmy, call it what you want, something that troubles me a bit. More like scares me a bit. As if I hit a slick spot on the road. After speaking with my guru, Dan, I am convinced that it is me, not the bike. Just needs more getting use to. Fabulous machine.
    I'd get a second opinion, Steve. There shouldn't be any movement in the back end. These bikes have way stiffer chassis than Airheads.
    Rinty

    "When you don't know where you're going, any road will get you there."

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