BMW K bikes (Bricks)


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Dai

Dai
Life time member
Life time member
I repaired a broken seat hump today (one side was smashed off by Royal Mail). When cleaning the paintwork with acetone prior to gluing the strengthening pieces in, I was surprised to find blue paint appearing on the cleaning cloth. A bit of experimentation later revealed that if the surface has been treated (all the polished shiny bits), there's no problem. If the surface has been left unfinished (e.g. under the seat hump) then acetone lifts the paint. Anything to save a penny, eh, BMW?


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1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

charlie99

charlie99
VIP
VIP
bugga of a way to find out Dai

good luck mate


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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

Dai

Dai
Life time member
Life time member
It didn't do any real damage Charlie - it was just a bit of an unwelcome surprise. It looks like BMW really went to town on the penny-pinching in the out-of-sight places. Especially the back end.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

prince

prince
Silver member
Silver member
Oh yes, acetone is a solvent. It is also used as a degreaser prior to repainting.


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Paul
1984 Honda V65 Magna
1985 BMW K100RT
2011 BMW K1600GTL (gone)
2018 BMW K1600GTL
    

Rick G

Rick G
admin
admin
Dai wrote:I repaired a broken seat hump today (one side was smashed off by Royal Mail). When cleaning the paintwork with acetone prior to gluing the strengthening pieces in, I was surprised to find blue paint appearing on the cleaning cloth. A bit of experimentation later revealed that if the surface has been treated (all the polished shiny bits), there's no problem. If the surface has been left unfinished (e.g. under the seat hump) then acetone lifts the paint. Anything to save a penny, eh, BMW?
Gees I wouldn't touch any paint with acetone regardless of what it had been treated with, that's asking for trouble.


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"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 1999 K1100 LT with a Big Block 1200
    

73MOH

73MOH
Silver member
Silver member
acetone is a very effective paint remover.... and is often sold as nail polish remover.
get yourself some wax and grease remover..... prepsol


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Paul 
1986 K100 RS
1997 K1100LT
2005 KTM990sd
    

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Rubbing alcohol (isopropyl) from the drug store works great and doesn't mess up paint.  It's cheap too.  Get 70% or stronger.


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Present: 1991 K100RS "Moby Brick Too"
 
Past:
1994 K75RT "Ilsa, She Wolf of the SS"
1988 K100RS SE "Special Ed"
1994 K75S "Cheetos"
1992 K100RS "Moby Brick" R.I.P.
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

Dai

Dai
Life time member
Life time member
I'm going back to the eight litres of brake cleaner that's stored next to the acetone. The acetone is now reserved for degreasing metals only. And cleaning sh!te off my workbench.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

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