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Thread: 1987 K75S (new to me) with a yellowed windscreen

  1. #1
    Registered User milwlandrover's Avatar
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    1987 K75S (new to me) with a yellowed windscreen

    Can anything be done about a "yellowed" wind screen.
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  2. #2
    RK Ryder
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    The only way that I was able to remove the yellow (and as I recall, I tried several suggestions given to me) was by replacing it with brand new one.

    I hope others can give you more encouraging and successful advice.
    Paul F. Ruffell
    Retired and riding my RTs, the '87 K100 & the '98 R1100 !
    Niagara Riders & Knights of the Roundel #333

  3. #3
    Registered User milwlandrover's Avatar
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    response

    thanks for the quick response Paul. I was afraid of that. Is it hard to replace the wind screen?

  4. #4
    3 Red Bricks
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    You can try some of the headlight restoration products. They are basically plastic poishing kits. I have had some success with them. But I prefer the tinted screens. They don't have that problem. And the smoked brown color would look awesome on your Columbia Silver S.

    I would strongly advise NOT going with a taller windscreen on an S not only because they are not as aesthetically pleasing, but most importantly because of how an S windscreen is mounted. There are only four mounting screws holding the screen on and ONLY the bottom two do anything to keep the screen from folding back on you at higher speed. That is why there is a sticker on your bike that states something like "Do not exceed 99mph with windscreen".
    Putting a taller screen on increases the leverage on those two bottom screws which are only held to two press in plastic expanding nuts, which after 32-33 years and do not have the original holding ability, is not a good idea unless ALL your riding is below the posted speed limits.

    As to how easy to change; one phillips screwdriver and:

    46 63 1 455 427 WINDSHIELD -Tinted $159.08
    or
    46 63 1 456 017 WINDSHIELD -Clear $152.73


    plus


    46 63 1 455 053 GASKET LEFT $11.28 one each

    Gasket for windscreen LHS, K75S. When installing these, the rough side should be out. Any adhesive on this part would stick to the windscreen. Giving you access to the fairing screws when the windscreen and gasket are removed together.

    46 63 1 455 054 GASKET RIGHT $11.28 one each

    Gasket for windscreen RHS, K75S. When installing these, the rough side should be out. Any adhesive on this part would stick to the windscreen. Giving you access to the fairing screws when the windscreen and gasket are removed together.


    52 53 1 451 393 EXPANDING NUT $2.23 you need four


    By the way, beautiful S. What are the last 4 numbers of the VIN. Ss were numbered consecuitively throughout their 10 years of production for the US starting with 150001. I have 0005 and 0081 plus 4 more. Yours is going to be within the first 900. Probably much lower. They only produced 4600 for the US over 10 years. There are most assuredly less than 3000 left. Probably closer to 2000 than 3000.

    What's the mileage? Sure looks low (or crazy well cared for).

    You also have the rare passenger handhold delete option which indicates that it probably came originally with the equally rare factory solo seat (which is currently not on the bike).

    LONG MAY YOUR BRICK FLY!

    Ride Safe, Ride Far, Ride Often

    Lee Fulton Forum Moderator
    3 Marakesh Red K75Ss
    Mine, Hers, Spare

  5. #5
    Registered User milwlandrover's Avatar
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    response

    You sir, have a very good eye.

    Thank you very much for the wind screen info as it was very helpful. I agree that the brown tinted wind screen would look pretty cool.
    I don't have the bike yet, I should be picking it up in the next 10 days or so.
    it is 50,863 miles on it and it looks like brand new.
    never dropped, never beat.
    He loves the bike but his brother in law died and left him a Harley (I am in Milwaukee) and his wife likes riding on the back of that better.
    Because I don't have the bike yet, I don't have the VIN number but I will surely be looking into that.
    Lastly he has the original solo seat with the bike (in great condition).
    He rode almost always with his wife so it makes sense that he would have taken it off.
    The condition and the color are the reasons I am buying the bike.
    can't wait for spring.

  6. #6
    3 Red Bricks
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    Adding the passenger grab handles would be easy if you wanted (other than having to have them paint matched). Just remove the bolt hole covers and attach.

    Prepainted parts are no longer available (only in primer) and finding the handles in good condition in the right color on the used market when you need them is next to impossible especially in the one year only Columbia Silver.

    More so than the grab handles, the thing that makes two up more secure feeling for the passenger is the small BMW 22L top box that is made for the bike. It mounts to the optional rear rack (that is not on your bike) and gives a secure "stop" to keep from worrying about sliding off the back. With that in place, passengers don't have to hold on to anything. Mostly just a little inward knee pressure is enough for keeping comfortable in everything except the most aggressive canyon riding. These parts can be added to your bike at any time. The black rear rack stays permanently mounted and the top box comes on and off in a couple of seconds. It is small enough that it doesn't destroy the lines of an S like the larger RT or Givi boxes. I stock many used and some new parts for Ss.

    https://www.cycletrader.com/listing/...5-S-5009540082 Also an '87 (not mine)


    Mounting the factory rack requires some special drilling techniques, so if you ever decide to do that please reach out to me and either I can do it for you or talk you through it.






    LONG MAY YOUR BRICK FLY!

    Ride Safe, Ride Far, Ride Often

    Lee Fulton Forum Moderator
    3 Marakesh Red K75Ss
    Mine, Hers, Spare

  7. #7
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by 98lee View Post
    the small BMW 22L top box that is made for the bike. It mounts to the optional rear rack (that is not on your bike) and gives a secure "stop" to keep from worrying about sliding off the back. With that in place, passengers don't have to hold on to anything. Mostly just a little inward knee pressure is enough for keeping comfortable in everything except the most aggressive canyon riding. These parts can be added to your bike at any time. The black rear rack stays permanently mounted and the top box comes on and off in a couple of seconds. It is small enough that it doesn't destroy the lines of an S like the larger RT or Givi boxes.

    I agree, we really liked the 22 liter top box we used on our K75Ts and K75Ss.
    Large enough to hold things we would need during the day, small enough to still look sporty.

    Oct 1992 SW Trip_0027.jpg
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  8. #8
    Quote Originally Posted by Lee View Post
    I agree, we really liked the 22 liter top box we used on our K75Ts and K75Ss.
    Large enough to hold things we would need during the day, small enough to still look sporty.

    Oct 1992 SW Trip_0027.jpg

    Very sharp K-75.

  9. #9
    Quote Originally Posted by vark View Post
    Very sharp K-75.
    Every bike Debbie has owned has been very sharp. (Lee too but this is about Debbie's bike). They keep them that way.
    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
    3 Red Bricks
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    Quote Originally Posted by PGlaves View Post
    Every bike Debbie has owned has been very sharp. (Lee too but this is about Debbie's bike). They keep them that way.
    I think there must be something with guys named Lee and K75Ss.

    P3210050.jpg


    P1010646.jpg






    LONG MAY YOUR BRICK FLY!

    Ride Safe, Ride Far, Ride Often

    Lee Fulton Forum Moderator
    3 Marakesh Red K75Ss
    Mine, Hers, Spare

  11. #11
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by 98lee View Post
    We'll take two in red plus the Shelby please
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  12. #12
    Registered User milwlandrover's Avatar
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    response

    Thanks for all your help and advise. I enjoy riding (1) up so I think I will leave the back box off for now.
    I will most likely get the brown tinted screen though.
    This is a great site.... I love the help and the encouragement.
    It is also a treat to see all the great Flying Brick and what you guys are doing to keep them in such excellent condition.
    It is kind of a drag to buy a bike so late in the riding season but I will get through it by dreaming about the end of a Wisconsin Winter and putting some miles on this beauty.
    Thanks once again.

    Cheers!

    markw

  13. #13
    Quote Originally Posted by 98lee View Post
    I think there must be something with guys named Lee and K75Ss.

    P3210050.jpg


    P1010646.jpg







    That is some serious K75 hoarding. How do you decide which one to ride? Eeny meeny miney moe?

    As long as itís the Sport model you hoard, Iím okay with that. I find the square headlight on the S and RT arenít complementary to the K75 ďlookĒ. I prefer the round headlamp on the Standard. So hoard away there.

  14. #14
    3 Red Bricks
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    Quote Originally Posted by vark View Post
    That is some serious K75 hoarding. How do you decide which one to ride? Eeny meeny miney moe?
    I ride the second one in (serial# 0081).

    The first one is #0005 and was a photo/press bike owned by BMW NA for the first two years of its life. It is awaiting restoration.

    The third bike is the bike I built for my wife. She's 5'4" and can easily flat foot it with both feet. It has a 28" saddle height (vs 32"). See top photo-front bike. She now has an F700GS low seat low suspension (first gray bike in the line).

    The blue C at the far end has been sold. The rest are Ss that are in non-op waiting for time and interest. I only have so much space so I can't buy any more





    LONG MAY YOUR BRICK FLY!

    Ride Safe, Ride Far, Ride Often

    Lee Fulton Forum Moderator
    3 Marakesh Red K75Ss
    Mine, Hers, Spare

  15. #15
    Registered User milwlandrover's Avatar
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    Production info

    Thanks for all the info. I found through the serial number that this is the 865th bike made in the K75 series!

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