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Thread: High Miles Preventive Maintenance

  1. #1
    Registered User
    Join Date
    Sep 2005

    High Miles Preventive Maintenance

    My '03 K1200GT just passed 180,000 miles and runs fine. Just wondering if there are preventive maintenance steps/parts replacement that should be done to prevent future problems--maybe a timing chain or some similar moving part? Drive shaft was replaced at about 108,000 and clutch and main seal maybe 10,000 thereafter. Everything else is original equipment. Thanks.

  2. #2
    Registered User GTRider's Avatar
    Join Date
    Apr 2006
    Nibley, UT USA
    Things worth checking:

    1. Final drive pivot bearings, and cleaning/lubing the driveshaft splines at all three points—front, middle, and rear. Make sure the driveshaft is properly phased on reassembly and free to move at the middle set of splines. Use a good moly spline lube like the one sold by Beemershop in CA

    2. Cam chain tensioning sliders. These are wearable and at 180k miles should at least be inspected.

    3. If it hasn’t been done already, replace all the rubber brake lines with braided SS lines. Spiegler has good lines and can put together a fitting combo to handle the non-standard clutch line fitting.

    Beyond that, if the bike is getting regular 6/12/24k inspections anything that might pop up would hopefully give some advance warning at inspection. There are some rubber drive cushions on the alternator (“monkey nuts”) that sometimes begin to deteriorate with age/heat/use but they are a pain to get to unless one is already doing service that exposes access (like rear main seal replacement). Best to wait until you’re in there for other service or they begin to make noise.

    Beyond that, if it were mine I’d just keep sticking to the service schedule with recommended products and keep riding. The brick-k bikes are pretty solid.

    1983 R80ST — 1984 R80 G/S-PD — 2004 K1200GT w/Hannigan S/C — 2010 K1300GT — 2018 R1200GS
    BMWMOA#52184, AMA#271542, IBA#138

  3. #3
    YouTube Mechanic adamchandler's Avatar
    Join Date
    Apr 2016
    Hanover, NH USA
    I can definitely endorse the swap to spiegler. Beemershop sold them to me. perfect fitment on my 75. They made the braking a lot more confidence inspiring. I can more easily engage ABS if I really want to paired with new pads and a brake fluid flush, that was a great upgrade.
    Social Media, Newsletter, YouTube | BMWMOA Lifetime Member | MOA Board Secretary | MOA Regional Coordinator | Vermont BMW Club Vice President

  4. #4
    Join Date
    Nov 2004
    Arizona, USA

    Things to check on a high mileage brick...

    Unless it has been replaced, the clutch o-ring is probably shot and is leaking engine oil on the clutch.

    This requires dropping the rear off the bike with all the "stuff" in between.

    The engine will have to be "tilted" in the frame in order to get the trans off without dinging it up.

    The tube from the crankcase breather on top of the engine that feeds engine oil vapors to the throttle bodies rots out in about 10 years. When was it last replaced?

    Rear drive pivot pins probably need replacing. They tend to go every 20-30,000 miles.

    Wheel bearing need to be inspected.

    Brake lines and pads with a real good cleaning of the calipers.

    Valve check with new plugs.


    Deryle & Wanda Mehrten
    Sierra Vista, AZ USA

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