BMW K bikes (Bricks)

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1Back to top Go down   alloy cleaning Empty alloy cleaning Fri Jun 13, 2014 1:05 pm

jlmk100

jlmk100
active member
active member
Hi ,with regard to cleaning all the engine etc what are my options?
Ive seen some are soda blasted ,I see wire cup brushes are also used .

what was the finish on the wheels and lower fork legs as standard?

I have a sand /soda blaster which im sure will come in handy on this one.

    

2Back to top Go down   alloy cleaning Empty Re: alloy cleaning Fri Jun 13, 2014 1:53 pm

Inge K.

Inge K.
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@jlmk100 wrote:
what was the finish on the wheels and lower fork legs as standard?

Depends on which model you got.

Wheels: silver painted, exept SE models.
Legs: 83-85 unpainted, 86 on, satin black.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

3Back to top Go down   alloy cleaning Empty Re: alloy cleaning Fri Jun 13, 2014 10:33 pm

JR_K100RS

JR_K100RS
Life time member
Life time member
G'day jlmk100 , another member MikeP has posted on this , take a look at his posts , apart from the techniques mentioned I've used the sunlight/velvet soap & steel wool with great results

JR


__________________________________________________
Diamond Grey ( 617 ) 1987 K100RS ( European Delivery ) Original owner
    

4Back to top Go down   alloy cleaning Empty Re: alloy cleaning Sat Jun 14, 2014 2:55 am

jlmk100

jlmk100
active member
active member
Thanks for the replys I have found halos thread on restore very good .
I cant seem to find mike p post on ally any chance of a link?.

going back to the fork legs bare ally with a  laquer finish then?

    

5Back to top Go down   alloy cleaning Empty Re: alloy cleaning Sat Jun 14, 2014 5:50 am

JR_K100RS

JR_K100RS
Life time member
Life time member
https://www.k100-forum.com/t6604-will-i-never-learn

this is one of Mike's reno's , take a look through

JR


__________________________________________________
Diamond Grey ( 617 ) 1987 K100RS ( European Delivery ) Original owner
    

6Back to top Go down   alloy cleaning Empty Re: alloy cleaning Sat Jun 14, 2014 12:05 pm

jlmk100

jlmk100
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active member
Many thanks JR.

    

7Back to top Go down   alloy cleaning Empty Re: alloy cleaning Sun Jun 15, 2014 10:18 am

AJ.Valente

AJ.Valente
Life time member
Life time member
Ya, every year I have to get in there and clean things up.  alloy cleaning 652573 

Note, my bike is for commuting bike (in summer), and so this is really minimum maintenance as far as most owners are concerned. The bike looks really good for most of the year, but it's a continuous process to keep it looking clean and well-maintained:

1) Start with natural de-greaser (green cleaner) to get the surface(s) clean. 

2) Next, white vinegar to reduce any corrosion build-up. (note, this step is not going to work on already badly corroded parts, but will keep corrosion from building-up over time)

3) Finally, some aluminum polish to bring out the luster. Note: I'm currently using mag cleaner for aluminum polish because it is designed for unpolished surfaces. Lots of aluminum polishes on the market, but most are for polished surfaces and are too gritty.

Word of caution; Unless you're a professional re-finisher, avoid doing anything more like mechanical polishing (wire brushes, steel wool, etc.) as it will never look as good. 

Hope this helps.

P.S. Late '85 models came with painted front forks. I painted mine this year in part because they were so dingy looking, but also because I put on some '93 3-spoke rims complete with painted brake disks (interior painted) and so it would have looked odd otherwise.


__________________________________________________
'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

8Back to top Go down   alloy cleaning Empty Re: alloy cleaning Sun Jun 15, 2014 10:35 am

Inge K.

Inge K.
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@AJ.Valente wrote:P.S. Late '85 models came with painted front forks.

And what do you consider as a late '85 model?


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

9Back to top Go down   alloy cleaning Empty some pictures Sun Jun 15, 2014 3:14 pm

jlmk100

jlmk100
active member
active member
A few pictures will get more on as we go.

    

10Back to top Go down   alloy cleaning Empty Re: alloy cleaning Tue Jun 17, 2014 1:46 pm

AJ.Valente

AJ.Valente
Life time member
Life time member
My parts bike, for one.


__________________________________________________
'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

11Back to top Go down   alloy cleaning Empty Re: alloy cleaning Tue Jun 17, 2014 8:33 pm

Inge K.

Inge K.
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The production year for the next years models starts after the industry have finished the summer holiday and the start date is 1st of September.

Your spare parts bike which is produced 11/85, is a -86 model year.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

12Back to top Go down   alloy cleaning Empty Re: alloy cleaning Thu Jun 19, 2014 12:12 pm

AJ.Valente

AJ.Valente
Life time member
Life time member
@Inge K. wrote:The production year for the next years models starts after the industry have finished the summer holiday and the start date is 1st of September.

Your spare parts bike which is produced 11/85, is a -86 model year.
OK. I didn't know.


__________________________________________________
'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

13Back to top Go down   alloy cleaning Empty Re: alloy cleaning Fri Jun 20, 2014 5:31 pm

billtr96sn

billtr96sn
Silver member
Silver member
Inge, my 91 LT ex police, has plain unpainted fork legs, also didn't have fuel or temp gauges and a fixed screen.


__________________________________________________
Something witty is supposed to go here... help!! alloy cleaning Uk-log10
http://www.billsbikechat.co.uk
    

14Back to top Go down   alloy cleaning Empty Re: alloy cleaning Fri Jun 20, 2014 6:17 pm

Inge K.

Inge K.
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I would guess that the fork have been changed sometime earlier, missing gauges to keep the costs down, adjustable screen was first time available on K1100LT's.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

15Back to top Go down   alloy cleaning Empty Re: alloy cleaning Mon Jun 23, 2014 2:33 am

jlmk100

jlmk100
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active member
Talking of forks where the forks polished alloy then laquer also what was the finish on the wheels silver paint?

    

16Back to top Go down   alloy cleaning Empty Re: alloy cleaning Mon Jun 23, 2014 4:18 am

RicK G

RicK G
admin
admin
The wheels were painted, usually silver some were black and some were white on special editions but all were painted as for the forks after 1985 I think they were all black and before were unpainted as they came from the foundry. The finish was raw but they may have been coated clear not sure on that.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

17Back to top Go down   alloy cleaning Empty Re: alloy cleaning Mon Jun 23, 2014 1:13 pm

jlmk100

jlmk100
active member
active member
Thanks Rick , my bike is an 83 sept build fork lowers are raw finish so i guess shine and laquer same with the fork clamps above .

Do we know what material the wheels are mag or alloy? paint is not an issue but the blast media would be if the wrong stuff used . What a Face

    

18Back to top Go down   alloy cleaning Empty Re: alloy cleaning Mon Jun 23, 2014 7:37 pm

RicK G

RicK G
admin
admin
AFAIK it's aluminium alloy but no magnesium content. I think magnesium is just too expensive nowdays to even consider it.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

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