BMW K bikes (Bricks)

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1Back to top Go down    Clear Coating the Engine on Tue Jul 15, 2014 4:41 am

ssj_Gill

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Hey Fellas,

so i've repainted my engine. some parts in a lovely high temp gloss black and others in high temp silver, except that the silver is matt not glossEvil or Very Mad

the thought occurred to me to put a clear coat on top of the silver to A.) give it back a little 'razzle dazzle' and B.) make it easier to clean.

so my question, is there such a thing as high temp clear coat? and is so, what brand do we think is the least crap?

cheers for the input as ever

    

2Back to top Go down    Re: Clear Coating the Engine on Tue Jul 15, 2014 4:54 am

charlie99

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@ssj_Gill wrote:so, what brand do we think is the least crap?


not sure ....maybe "robmack" or "bemade" will chime in

im trialling some conformal coating ...basically some almost plastic coating ...but only on the front timing cover and pump cover plate

good luck


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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
    

3Back to top Go down    Re: Clear Coating the Engine on Tue Jul 15, 2014 11:49 am

robmack

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I don't know of a high-temperature clear coat. I painted my engine block silver using high temp engine enamel in a spray bomb, and used no clear coat. I read that a clear coat will eventually yellow due to the very high temperatures (this claim comes from owners of bikes withair-cooled engines). I also had my valve, crankcase, water pump and timing chain covers done in spray chrome with 2K clear over that coating. The reasoning was that the water / air cooling and rubber gasket thermal barriers would reduce the temperatures on these parts enough that the clear could endure. It's not been long enough to make a claim one way or the other that this works. I do now regret using the spray-on chrome in this application and wouldn't recommend it.

My guess is that if you do clear coat your engine, you'll come to regret it later when the paint yellows or flakes.


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Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

4Back to top Go down    Re: Clear Coating the Engine on Tue Jul 15, 2014 5:54 pm

sidecar paul

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Personally, I don't think a K gets hot enough to need a'high temp' paint. The sump cover on my solo has been painted with Halford's metallic blue rattle can paint and finished with Halford's clear coat without any problems.

The outfit has gloss black Plastikote on the sump and cam box covers, also without problems.




This sump cover was painted in 2007.

Paul.


__________________________________________________
'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015)
....No CARS never ever!
    

5Back to top Go down    Re: Clear Coating the Engine on Wed Jul 16, 2014 4:47 am

ssj_Gill

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Cheers for the update chaps. I did a little snuffling around eBay and came up with some VHTstuff, will see how it goes. If it gets leprosy and flakes away i'll just redo it at a later date

    

6Back to top Go down    Re: Clear Coating the Engine on Wed Jul 16, 2014 6:58 pm

Wheeldigger

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07/1987 K569 K 75 S (0563,0572) USA
    

7Back to top Go down    Re: Clear Coating the Engine on Wed Jul 16, 2014 11:32 pm

Be made

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I polished and painted mine, very successful, now nearly 10000ks down the track and no chipping, flaking or discoulration. I got the cases polished by the shop and got hold of this new paint called Diamonshine on the market from Kbs coatings:

http://www.kbs-coatings.com/DiamondFinish-Clear.html

http://www.k100-forum.com/t5107p50-89-k100lt-k100-custom-conversion#65716

These aren't closeups but this is how bike is looking now:

http://www.k100-forum.com/t5107p250-89-k100lt-k100-custom-conversion#98388

    

8Back to top Go down    Re: Clear Coating the Engine on Thu Jul 17, 2014 10:03 am

88

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Thats a nice finish SidecarPaul! You must have had a very dust free environment!


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88....May contain nuts!

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

9Back to top Go down    Re: Clear Coating the Engine on Thu Jul 17, 2014 6:15 pm

sidecar paul

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Just outside in the garden,88.cheers

Paul.


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'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015)
....No CARS never ever!
    

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