BMW K bikes (Bricks)

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1Back to top Go down    Detailing my bike 91 K100RS on Sat Apr 23, 2011 8:24 pm

BigBob


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I'm new. I want to detail the bike completely. Is is safe to use a power washer on the engine and electrics? The type found at a self service car wash or a home one on low pressure? Thanks in advance...

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2Back to top Go down    Re: Detailing my bike 91 K100RS on Sat Apr 23, 2011 11:01 pm

robmack

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No, it is not advisable to use a power washer in and around the engine and electrics. The force of the spray will cause water to infiltrate the connectors, causing lots of problems later with electrical gremlins. It could also bugger up intake ports and other inlets in the engine. Better to take the machine apart as far as you dare and wash by hand. Use techniques practiced by auto detailers such as protecting the electrics by wrapping them in aluminum foil.

I suggest you read this treatise on automobile engine detailing techniques to get ideas.



Last edited by robmack on Sun Apr 24, 2011 4:01 pm; edited 2 times in total (Reason for editing : Fixed broken link due to improper cut and paste)


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3Back to top Go down    Re: Detailing my bike 91 K100RS on Sun Apr 24, 2011 12:02 am

club_c

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Agreed. It's a slow process to clean all the individual parts. I'm doing that right now on a project RT. I started at the back, pulled the rear wheel, polished the aluminum, and then cleaned and polished the final drive and transmission before reinstalling the rear wheel. I've been moving my way forward, but it takes hours to do it well. Just take your time...

    

4Back to top Go down    Re: Detailing my bike 91 K100RS on Sun Apr 24, 2011 4:54 am

charlie99

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keeping it clean is always best done by hand bob ...that way you still have some form of control on where water gets .....i have always used a soft car wash type brush for tricky bits and a good detergent ...."truck wash " is a good version .


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5Back to top Go down    Re: Detailing my bike 91 K100RS on Sun Apr 24, 2011 12:59 pm

BigBob


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Thanks very much, the link this treatise on auto engine detailing techniques is dead. Bob

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6Back to top Go down    Re: Detailing my bike 91 K100RS on Sun Apr 24, 2011 1:39 pm

japuentes

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7Back to top Go down    Re: Detailing my bike 91 K100RS on Sun Apr 24, 2011 7:24 pm

BigBob


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K-Bike - sorry. I was thinking how to detail.

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8Back to top Go down    Re: Detailing my bike 91 K100RS on Sun Apr 24, 2011 9:12 pm

Crazy Frog

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Thanks to K-Bike for pointing Bob's mistake (or confusion.
I moved the topic and everything is OK.


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9Back to top Go down    Re: Detailing my bike 91 K100RS on Mon Apr 25, 2011 3:38 am

Alex_GER

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Ajays didn't answer so far (he painted the whole thing with hemorrhoid, eeerm I mean Hamerite lol! ).

Last week I met a guy who used mechanics hand cleaner (you know, that grainy soap stuff to get rid of grease on your hands) to keep the aluminium parts clean after detailing them. The engine looked like brand new...


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10Back to top Go down    Re: Detailing my bike 91 K100RS on Mon Apr 25, 2011 8:11 am

ungaas

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Best method I know is to use Jeyes Fluid, but be careful not to leave it too long on engine or any painted parts.
same process, slightly warm engine, paint it on leave for 5 mins and then hose off.
you won't find better

    

11Back to top Go down    Re: Detailing my bike 91 K100RS on Mon Apr 25, 2011 8:53 am

Alex_GER

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@ungaas wrote:Best method I know is to use Jeyes Fluid...

I just looked that up, since we don't have that in Germany (http://en.wikipedia.org/wiki/Jeyes_Fluid).

Wow, I can mix that up in the lab... cheers


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12Back to top Go down    Re: Detailing my bike 91 K100RS on Mon Apr 25, 2011 2:13 pm

ungaas

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alex, making it yourself is better you understand the reactions if left too long, this is an old trick I learnt when I got my first bike in the 60's, Jeyes was always on the pantry shelf and still is off the shelf here in the UK

    

13Back to top Go down    Re: Detailing my bike 91 K100RS on Mon Apr 25, 2011 2:42 pm

Alex_GER

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I'm a M. Chem. Very Happy Cool


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14Back to top Go down    Re: Detailing my bike 91 K100RS on Mon Apr 25, 2011 8:33 pm

blaKey

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"I'm a M. Chem."

Mr Chemist?

Master of Chemistry?

Mad Chemist?

Mr Chemical?


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K100RS 1986 RED!
K100RT 1987 (now nekkid with red bits)

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15Back to top Go down    Re: Detailing my bike 91 K100RS on Mon Apr 25, 2011 8:45 pm

Crazy Frog

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@blakey wrote:"I'm a M. Chem."

Mr Chemist? Master of Chemistry? Mad Chemist? Mr Chemical?

Just click on Alex's signature (MPI) and you will see that he's not just a pretty face but can teach us too. Very Happy


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1986 k75, 1985 K100rt, 1985 K100rt/EML sidecar.
    

16Back to top Go down    Re: Detailing my bike 91 K100RS on Tue Apr 26, 2011 3:53 am

K-BIKE


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Hi Bob,
I researched this a bit when I got my bike and the info I gleaned back then was that the K has relatively small gaskets and under pressure washing they can get literaly blown through the gap, that may be due to the gasket materials used back then.

Now that of course depends upon what pressure one blasts away at but given most people (myself included) leave their pressure washer set at max which for mine is 1700 psi I can see that being agressive. My neighbour lent me his before I got mine and that was 2,600 PSI and that literally sliced through the toe cap of my rubber boot which fortunately was a safety boot with a steel toe cap underneath so my toes were unharmed. It could be argued that if the toecap were not there then the rubber would have bounced out the way but I'm not game to try that one.

If one uses a good degreaser compound and lets it soak in after applying it to a warm engine it seems relatively easy to shift most grime I have found just using a mains pressure hose with a good jet.

BMW specifically warn against washing through the radiator with water jets because of the risk of water entering the fan motor and causing it to fail.
Regards,
K-BIKE

    

17Back to top Go down    Re: Detailing my bike 91 K100RS on Tue Apr 26, 2011 5:07 am

BIG D

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Cool

When I overhauled mine I used good old fashioned Gunk and elbow grease, I also have a double sided light bristle brush for cleaning behind its gears Very Happy, and another for rinsing down [you can attach a hose to it if required]. I have seen what high pressure washers can do on motorcycles where a colleague uses one on his motorcross bike and later had problems with wheel bearings and electrical issues.

BIG D

    

18Back to top Go down    Re: Detailing my bike 91 K100RS on Wed Apr 27, 2011 4:56 pm

BigBob


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thanks everyone...

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19Back to top Go down    Re: Detailing my bike 91 K100RS on Thu Apr 28, 2011 1:13 pm

BigBob


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while mine will never look like this, I can try...

http://www.wmsbrg.com/ebay/history/91bmwk100rs/

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20Back to top Go down    Re: Detailing my bike 91 K100RS on Thu Apr 28, 2011 3:18 pm

Alex_GER

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@BigBob wrote:while mine will never look like this, I can try...

http://www.wmsbrg.com/ebay/history/91bmwk100rs/

5 min riding followed by 5 h cleaning... Evil or Very Mad

Guy, those bike are way to good to just stand there... Shocked


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21Back to top Go down    Re: Detailing my bike 91 K100RS on Thu Apr 28, 2011 6:47 pm

blaKey

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I couldn't have a bike like that.

What do you do? Leave it like it is and don't ride it? Or like Alex said, ride a bit and then clean for hours!


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K100RS 1986 RED!
K100RT 1987 (now nekkid with red bits)

Remember Rule No. 6
    

22Back to top Go down    Re: Detailing my bike 91 K100RS on Fri Apr 29, 2011 11:11 am

BigBob


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What I bought has been sitting for a number of years. I just want to start by giving it some respect which would give me a change to get to know it. Then it will be ridden. I'm not one to do a lot of detailing.

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