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Thread: R1100/1150 overhaul

  1. #1
    Registered User paddlefoot's Avatar
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    R1100/1150 overhaul

    What are the typical overhaul mileages and costs on the oilhead boxer engines? Do they generally get a top end before a bottom end is needed? Im particularly interested to hear from owners who are tracking wear with oil analysis.

  2. #2
    Quote Originally Posted by paddlefoot View Post
    What are the typical overhaul mileages and costs on the oilhead boxer engines? Do they generally get a top end before a bottom end is needed? Im particularly interested to hear from owners who are tracking wear with oil analysis.
    Most people never keep an 1100 or 1150 long enough to know. On Voni's R1100RS I had valves done at 300,000 and then replaced the engine due to bottom end noise at about 400,000. With crankshafts at $1,200 or so I consider bottom end work on a 400K machine cost prohibitive so installed a low mileage used engine 20K ago. My R1150R is making ugly bottom end noises at 190,000 miles and the top end has not been touched other than a few valve adjustments.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
    http://web.bigbend.net/~glaves/

  3. #3
    Registered User paddlefoot's Avatar
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    Remarkable mileage

    Mr. Glaves, I wish I could figure out how to put that many miles on a motorcycle. I understand you have done it on quite a few, Ks and R series. Iím new to BMW as far as ownership. Started working in Harley shops when I had to be paid under the table. Eventually became service manager and went to H-D service school. The last bike I put serious miles on was a Ď74 FLH police bike I restored after it was surplused out. I recently bought an Ď03 K1200gt with about 37k on it. Body work is in need of help but basically great intro back into riding for not much cash. Iím a good sized guy and Im thinking I want to pick up an 1100/1150 to make things easier ergonomically. Im getting a pretty good handle on the quirks common to the various models but Id like your opinion on what NOT to do to a BMW. For example, every now and again a Harley guy would kill his bike by putting STP or some slickum in it. The rollers in the Shovelhead engine would slide on the slick stuff instead of rolling and shortly you would have a spot worn through the hardening of the rollers. Instant trashed engine. Are the any similar situations you are familiar with where someone thinks they are doing something extra for their Beemer and actually trashing it?

  4. #4
    Left Coast Rider
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    Quote Originally Posted by paddlefoot View Post
    ...Id like your opinion on what NOT to do to a BMW.
    Leave it stock unless you have rubber brake lines on an R1100/1150. Follow the maintenance schedule. Use motorcycle-specific oil in the proper grade. Put 300k miles on your bike. Enjoy life.

  5. #5
    Registered User paddlefoot's Avatar
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    Sounds like pretty good advice.

    People used to ask me all the time about what they just had to do to their Harley before they would go on a long trip and thats pretty close to what I would tell them. ď Throw out your chopper magazines and dont talk to your long time biker pal who knows all. Above all, donít let him work on your bike!Ē Back then everything was still using points and I would set real travelers up with a centrifugal advance unit and modified pliers so they could set the static timing with a continuity tester. And show them how to do it. That actually was about all anyone ever needed. I had a little list of stuff that might be needed. Brake light switches and light bulb #s, intake manifold O-rings and rocker shaft O-rings. Im really glad to be coming back to riding with electronic fuel injection, really good brakes much more reliable bikes with extended service intervals. We did a lot of work trying to make the valves live duriing the transition to unleaded fuel. Modern times seem pretty good. 190k and the bottom goes before the top end, pretty impressive.

  6. #6
    Pepperfool GSAddict's Avatar
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    I freshened the heads on my 1150GS at 175,000 miles.
    Sitting presently at 212,000

    I wouldn't go deeper as I have a complete longblock with 20k on it.
    '
    Ufda happens..........

    Need your R11xx Hall sensor rewired? PM me.

  7. #7
    Registered User paddlefoot's Avatar
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    Spare engine sources

    Do you gents look for insurance salvage situations or just catch them as you can for your replacement engines? I have given some thought to building up some spare wheels with tires mountd and balanced for a quick change when the time comes. Maybe an overhauled final drive. Things that can leave you in a pinch.

  8. #8
    Pepperfool GSAddict's Avatar
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    Quote Originally Posted by paddlefoot View Post
    Do you gents look for insurance salvage situations or just catch them as you can for your replacement engines? I have given some thought to building up some spare wheels with tires mountd and balanced for a quick change when the time comes. Maybe an overhauled final drive. Things that can leave you in a pinch.
    Insurance auctions
    '
    Ufda happens..........

    Need your R11xx Hall sensor rewired? PM me.

  9. #9
    Ebay when I needed one.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
    http://web.bigbend.net/~glaves/

  10. #10
    Registered User paddlefoot's Avatar
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    Thanks

    I appreciate the information and advice. Looks like there will be donor bits around the hangar for the two wheeler.

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