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Thread: 1990 k1

  1. #1
    Registered User E.L. Buff's Avatar
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    1990 k1

    Picked up my 1990 K1 Friday from the bone yard and got it home
    Before I put it in the garage to take it all apart I took some photos to post
    8000 miles been in a garage for over 10 years. came with new fuel pump
    brake pads , front and rear master cylinders , front brake calipers old ones frozen up.
    battery, and fuel filter.
    Things I see right away to do before I take it apart.

    1 clean out gas tank and replace all fuel lines
    2 send out injectors to get cleaned and tested , were do I send them anyone know?
    3 New brake lines stainless steel I hope , again were and who do I get them from?
    4 Rebuild front forks seal on one leaks other will some follow , and new oil
    5 replace all rubber parts from intake and around fuel rail
    6 tires look brand new but they have to be hard as a rock ,what and where is a date code on tires?
    7 wash off years and years of dirt, wheels and body parts and paint as a whole look good.

    So here it is any help or other pointers I would like to hear about them
    Thanks Ernie
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  2. #2
    Registered User E.L. Buff's Avatar
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    by the way front fender is off because of tie down on trailer it came with the bike
    Ernie
    and one more pic.
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  3. #3
    UJ tio jaimito's Avatar
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    Nice purchase EL.
    I saw stainless lines on ebay this morning for your year.
    Also Look nationwide on Craigslist by searching your parts on www.onecraigs.org
    Fork Seals are easy to get,
    Rubber is available. You can get everything to get that bike completely up to par.
    I would also join the international K100 forum those guys will do a virtual buildout, and they have miles of pertainent threads for every K topic.
    I just picked up my K100rs last week, and all three forums have been helpful. I am in Chicago regionalWOA, and this forum as well as the K100 forum.
    If you get out to Chicago over the summer look me up.
    UJ

  4. #4
    What, me worry? GILLY's Avatar
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    Link for onecraigs is no good, never heard of a national Craiglist search engine
    87 K75S, bought new, now sold
    07 K1200GT Bought new, now traded in
    13 C650GT
    MOA 44606

  5. #5
    It's a way of life! oldnslow's Avatar
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    Quote Originally Posted by Gilly View Post
    Link for onecraigs is no good, never heard of a national Craiglist search engine
    Try "SearchTempest" (type it into Google search) for nationwide Craigslist
    Mike Davis
    "Old n Slow" It's a way of life!
    1985 K100RT

    1998 R1100RT

  6. #6
    Registered User Beemer01's Avatar
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    Thumbs up SS brake lines

    Bob's BMW can have them made up at the right price - makes a HUGE difference in brake feel. Great looking bike!!!!

    As normal prep I'd replace all fluids and also lube the final and input splines.

  7. #7
    Rally Rat
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    Quote Originally Posted by Beemer01 View Post
    Bob's BMW can have them made up at the right price - makes a HUGE difference in brake feel. Great looking bike!!!!

    As normal prep I'd replace all fluids and also lube the final and input splines.
    Before you replace the brake hoses, see whether the ABS is working. If not, you might want to consider a brake hose kit that deletes the ABS.

  8. #8
    Registered User E.L. Buff's Avatar
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    I was told that the ABS was working when the bike got parked
    I hope it does will get everything brake why,s working before i get new lines
    Ernie

  9. #9
    Mars needs women! 35634's Avatar
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    Nick bike. this is a great place to get injectors cleaned, $16 ea I think..... http://mrinjector-form.weebly.com/
    1987 K75S
    Original litter
    Original owner
    2012 Ural Gear Up

  10. #10
    Registered User E.L. Buff's Avatar
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    with some wd-40 I got the keys working on all three compartment boxes
    the small one in the front had a tool kit and touch up paint kit it also has
    a BMW tire repair plug kit with CO2 canisters does all this come with the bike new?
    the tool kit looks brand new.
    Ernie

  11. #11
    Dances With Sheep GREGFEELER's Avatar
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    Quote Originally Posted by E.L. Buff View Post
    Picked up my 1990 K1 Friday from the bone yard and got it home
    Before I put it in the garage to take it all apart I took some photos to post
    8000 miles been in a garage for over 10 years. came with new fuel pump
    brake pads , front and rear master cylinders , front brake calipers old ones frozen up.
    battery, and fuel filter.
    Things I see right away to do before I take it apart.

    1 clean out gas tank and replace all fuel lines
    2 send out injectors to get cleaned and tested , were do I send them anyone know?
    3 New brake lines stainless steel I hope , again were and who do I get them from?
    4 Rebuild front forks seal on one leaks other will some follow , and new oil
    5 replace all rubber parts from intake and around fuel rail
    6 tires look brand new but they have to be hard as a rock ,what and where is a date code on tires?
    7 wash off years and years of dirt, wheels and body parts and paint as a whole look good.

    So here it is any help or other pointers I would like to hear about them
    Thanks Ernie
    I would go with Spiegler for brake lines. They are the gold standard and are available here: http://www.spieglerusa.com/brakes/cy...line-kits.html

    I have a 1990 K1 that I bought about ten years ago with only 11,000 miles on it. It has 17,000 miles now, but all the rubber bits are in excellent condition so I've left them alone so far. As far as your injectors go, there is certainly nothing wrong with having them cleaned, but there is also the rest of the fuel system. What has worked extremely well for me is to run multiple tanks of fuel dosed with at least 1 oz. of Techron per gallon of gas. After five or six tanks it's been my experience that the bike runs so much sweeter, which I attribute to cleaning out of the combustion chamber.

    Once your forks are done with new seals, one way to keep the seals from getting eaten up with road grime are these neopream seal protectors. They attach with Velcro so can be removed quickly for "show": http://www.ascycles.com/detail.aspx?ID=43209

    Here's how to locate and read the tire production date code. Bear in mind that how the bike has been stored will affect the effective age of the tires. If the bike has been outside a lot or stored in an area with a lot of ozone they will age out faster. http://www.ehow.com/how_6904540_tell...cle-tires.html

    Good luck with your project. The K1 is a very cool bike in so many ways and was a platform for a number of innovations BMW later added to both the K series and the Oilheads when they were introduced. Every time I ride mine I get a lot of inquires and amazed looks when I explain it's 22 years old.
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    Greg Feeler
    BMW MOA Director & Ambassador
    1972 R75/5, 1990 K75, 1990 K1, 1992 K75S, 2003 K1200RS

  12. #12
    Registered User argent brick's Avatar
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    How about a write up in Owner's News about your efforts to make the bike road worthy?
    Lynn
    MOA #57883
    Current Ride: 1995 K75 Standard
    Past: 1978 Yamaha XS 750, 1976 BMW R60/6

  13. #13
    Registered User E.L. Buff's Avatar
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    Greg what a sweet ride now I know what it looks like without years of dust and dirt .
    Thanks for the info.
    It would be nice to kept a log and a lot of photos to do some kind of story or teck. thing
    about rebuilding an old K1
    Ernie

  14. #14
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    Rebuilding a K1 is not that unique of an undertaking as it is basically a K100RS. If all the special bodywork is O.K., most of the other items are pretty low effort. These early K bikes were built like tanks.
    I have had my 1990 K1 since 1994 and have done nothing to it other than regular maintenance.
    One critical spot on the bodywork is the front fender which cracks around the fork mounting area. Watch for it and release the stress by drilling small holes at the ends of the cracks.
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  15. #15
    Registered User argent brick's Avatar
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    Seeing all of these K1 pictures made me remember the first time my wife saw a K1. We were at a dealer picking up parts for my boxer. She was browsing the showroom floor and walked up to the K1 and looked at the price tag. I heard her exclaim with a gasp,"That cost more than my car."
    Lynn
    MOA #57883
    Current Ride: 1995 K75 Standard
    Past: 1978 Yamaha XS 750, 1976 BMW R60/6

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