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Old 12-02-2011, 07:24 AM   #1
Mike21 OP
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BMW R80G/S 1986 restoration

Hello, I have started with new project. If you want to see some photos please visit url!


http://michal21gs.rajce.idnes.cz/


I bought it on ebay. It is right piece of german IRON! It has 40l heinrich tank, oin pan extension et al.

The bmw was connected with car battery and the engine worked! :-)
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Old 12-02-2011, 07:58 AM   #2
Mike21 OP
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Old 12-02-2011, 08:40 AM   #3
blaine.hale
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Holy cow, you have your work cut out for you. I'd looove to have a project like that.
Sell the heinrich to fund a chunk of that clean up
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blaine.hale screwed with this post 12-02-2011 at 08:46 AM
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Old 12-02-2011, 09:41 AM   #4
Mike21 OP
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Could anybody help me with engine painting? I saw photos of bmw g/s and I think that the engine isnīt painted. thanx
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Old 12-02-2011, 09:44 AM   #5
Airhead Wrangler
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You get an A+ for ambition. No, the G/S engine is not painted. Good luck and enjoy.
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Old 12-02-2011, 10:01 AM   #6
R12Battletub
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I think parts of the engine are painted. Starter cover, for example. Not the block itself though. Yours looks correct. Keep the pictures coming!
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Old 12-02-2011, 10:47 AM   #7
timdog
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I can't wait to see how this turns out.

And I call the tank if he decides to sell it.
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Old 12-02-2011, 11:02 AM   #8
Mike21 OP
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thanx for your answers. The cover of starter, a big part in the front of engine(I donīt know how can i desribe it in english) and a part under air filter are of course black. This isnīt problem. I attached a picture where you can see the cylinder and block without painting. Someone of my BMW friends said that their gs paralever has painted block. Is it right that g/s monolever is without painting and gs paralever is with?
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Old 12-02-2011, 11:18 AM   #9
Mike21 OP
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About the heinrich tank: This part is very strange! It looks so awful that itīs nice! :-) If I bought it with motorbike I must leave it there!
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Old 12-02-2011, 11:20 AM   #10
Beemerguru
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Good score...that's what I typically start with for my builds. Yours is typical of a neglected but still capable machine...justy needs a lot of TLC and at the end,,you're a very happy camper

The engine block, cylinders, and tranny can all be soda blasted to get rid of the corrosion...the use some 3M pads (auto parts store) to scuff up the surface...then hit it with WD 40. Let it soak in, wipe clean and spray again.

Take the frame, subframe, starter cover, timing cover, center stand, swing arm (after drive shaft and swing arm bearings removed) handle bar. fork lowers, and other small hard metal pieces to a good powder coater. The front engine cover can be either black or cleaned aluminum...same with the valve covers.

Boil the carbs in Simple Green to see if the shine will come back..then rebuild.

Email or call me if you have questions.
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Old 12-02-2011, 11:38 AM   #11
Beemerguru
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Those almost look like the original Enduro 4 or Gripster tires!!
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Old 12-02-2011, 11:52 AM   #12
Tanami
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Quote:
Originally Posted by Beemerguru View Post
Those almost look like the original Enduro 4 or Gripster tires!!
Yes, and they look cool. Also I agree and say KEEP that tank..That bike has a character.....I think you have an awesome project there. Do you know of any of it's history?
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Old 12-02-2011, 12:47 PM   #13
Mike21 OP
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Quote:
Originally Posted by Tanami View Post
Yes, and they look cool. Also I agree and say KEEP that tank..That bike has a character.....I think you have an awesome project there. Do you know of any of it's history?
Tomorow I will write the concrete type of tires. About history: The last owner had this motorbike for 6 years and ride it in winter only. He said that he had been owner number 6! I want to write an email to the BMW for more information. We will see in the future...

Now it has 77thousand km on tachometer but if I saw the timing chain it looked like it has about 177 or 270. Nobody knows...
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Old 12-02-2011, 01:36 PM   #14
hardwaregrrl
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Holy crap!!!!

Did the 6th PO park that bike in the sea?! Looking forward to this one!!!
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Old 12-02-2011, 01:39 PM   #15
Beemerguru
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Just resign yourself that the bike is coming apart...bearings, seals, cables, wire harness, gaskets, etc just to get the mechanicals in good shape..The tank is the jewel since it's so unique are rare..

You'll know every nut and bolt when this is done..
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