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Thread: Stored 1987 k75s maintenance task list advice

  1. #1

    Stored 1987 k75s maintenance task list advice

    Hello all - Picking up 1986 K75s (stored at least two years maybe 10) on Saturday and wondering if you don't mind providing a short/minimal/smart/effective/ordered maintenance list for a stored bike such as this.

    I have seen maintenance lists but I am wondering for a stored bike if it is different. For example the rear brake reservoir has disintegrated from the UV light of the sun.

    Btw as an intro here is my progression of bikes since my return to biking at 52:
    1986 K75C→1992 R110RS→2003 Suzuki DL1000→2016 DL650→2004 DL650→AND NOW BACK TO 1987 K75S (Old→Newer→Older)
    My_on_the_k75s.jpg
    owner of '86 k75C since August 2014 and since June of 2015 - a '95 r1100rs

  2. #2
    Change all the fluids
    New Tires
    Dump the fuel if any
    Drain the carbs
    Fresh battery
    Check the valve lash
    fresh fuel and good fuel cleaner
    Ride it.
    Shawn Conver
    K4CTD
    2011 R1200RT, 2018 Cummins 2500, 2003 Jeep Grand Cherokee

  3. #3
    Registered User detbmw's Avatar
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    Quote Originally Posted by tsconver View Post
    Change all the fluids
    New Tires
    Dump the fuel if any
    Drain the carbs
    Fresh battery
    Check the valve lash
    fresh fuel and good fuel cleaner
    Ride it.
    What carbs?
    Rich
    2001 R1150GS, 1988 K75S
    East Texas BMW+ Motorcycle Club
    Texas National Picnic, Jacksonville TX, 3rd Saturday in April

  4. #4
    Quote Originally Posted by detbmw View Post
    What carbs?
    87 Fuel injected? Never owned one. If so clean the injectors, there are several DIY methods to clean them yourself.
    Shawn Conver
    K4CTD
    2011 R1200RT, 2018 Cummins 2500, 2003 Jeep Grand Cherokee

  5. #5
    Recalculating..... veefore's Avatar
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    Mine was dormant for 10 plus years -
    Fluids (all)
    Battery
    Numerous missing fastners
    Evicted the inhabitants
    Tires
    Cleaned the tank
    Air cleaner
    A few electrical clean ups
    My fuel system was trashed so pump, sending unit, injectors (90 dollars refurbished from Beemer Boneyard)
    Plugs
    I removed my ABS and did stainless lines
    Had to clean my ignition switch (bike would randomly cut out)

    And.......rode it! 1100 miles so far, you’ll love it. Congratulations. Beemer Boneyard and Euromotoelectric are great resources.
    B7EE21A4-86F5-4C55-A598-1A4D24F7F7FD.jpgD0A00116-315C-4F70-B84C-CA6F56AA7F95.jpg
    Last edited by veefore; 06-03-2021 at 01:45 AM.
    2015 R1200RT, 1993 K75s

  6. #6
    Registered User mlytle's Avatar
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    alexandria, va
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    Marshall
    92 K75s, 94 K75s, 09 K1300s

  7. #7
    I would seriously consider replacing ALL the flexible fuel lines, in tank and out. They are probably original and 30+years old.

    Frank
    '17 R1200RS, '03 R1100S BCR#6/200, '85 K100/1100RS, '16 R1200RS (gone) '11 R1200RT (gone) '05 R1200ST (gone) '99 R1100S (gone) '96 Ducati 900SS/SP (gone) '92 K100RS (gone) 500,000+ BMW miles

  8. #8

    Update - varnish in tank mouse nest air intake

    Just wanted to share an update. Sending unit covered in gunk
    20210606_133632.jpg
    Air intake filled with animal nest
    20210605_141711.jpg
    owner of '86 k75C since August 2014 and since June of 2015 - a '95 r1100rs

  9. #9
    Registered User mlytle's Avatar
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    ahhhhhh! if you want critters in the bike pics, try my "other" K75S refresh tread.
    http://www.motobrick.com/index.php?topic=10043.0
    Marshall
    92 K75s, 94 K75s, 09 K1300s

  10. #10
    Recalculating..... veefore's Avatar
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    Quote Originally Posted by jimnto View Post
    Just wanted to share an update. Sending unit covered in gunk
    20210606_133632.jpg
    Air intake filled with animal nest
    20210605_141711.jpg
    Looks familiar!
    2015 R1200RT, 1993 K75s

  11. #11
    YouTube Mechanic adamchandler's Avatar
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    Hanover, NH USA
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    Don't forget to replace your crank case breather hose - https://www.beemerboneyard.com/11151460480.html

    I purchased a 1995 K75RT 3 years ago and spent all Winter screwing around with it. Here's what I did. now, keep in mind I rode it home from Virginia on December 21st to New Hampshire and got a smoking deal on it for the cold weather ride so it was rideable but it was drinking more fuel than it should have and dropping a bit too much fuel into the exhaust (smelled bad on WOT and surged a bit)

    • Oil
    • Air Filter
    • Oil Filter
    • Crankcase Breather
    • Battery
    • Valve Adjustment
    • 3 spark plugs
    • 3 Spark plug coils
    • Final drive fluid
    • lubricated splines at both ends
    • (did not do clutch spline thing but had a dealer do it)
    • MaxBMW flushed the brake fluid (I didn't have a pump that had enough PSI to flush the ABS)
    • New Pads front & rear
    • New fuel filter after cleaning tank
    • New tires
    • flushed coolant
    • replaced all coolant hoses
    • Replaced brake lines with stainless steel braided
    • Checked fuel lines for any dry rot
    • New fork oil & heavier springs
    • New Yacugar rear shock from Beemershop
    • Side stand & center stand replacement springs
    • Replaced valve cover gasket



    Then it was ready to ride...it was rideable before but this really was a good restoration of just all service items.

    the whole saga is here - https://advrider.com/f/threads/adamc...hread.1369965/

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