BMW K bikes (Bricks)

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Blackthumb

Blackthumb
active member
active member
Hi everyone, I'm new to bike building and restoration. I have been reading a lot of posts on this forum that have helped me no end so I decided ide like to join in, learn some stuff from the all knowing members & share my follies/ triumphs and hopefully it may help others!

I am currently undergoing a cafe racer build on a 1986 k100
Rt. I have overcome several issues to get her purring, but unfortunately when waiting for bike to get up to temp while replacing the oil she overheated and cut out owing to a faulty radiator fan/temp switch (luckily after cooling started up again... Phew!). Now awaiting parts.

    

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Be aware that removing the rear frame loop disturbs the bike's karmic field.   Leaves the door open for much bad mojo.


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

Blackthumb

Blackthumb
active member
active member
O dear, please expand Point-Seven-five m.. I had been toying with the idea of a chop then welding new pre-fab seat loop back with lugs.

What type of bad juju might I accrue??

    

Laitch

Laitch
Life time member
Life time member
@Blackthumb wrote:I had been toying with the idea of a chop then welding new pre-fab seat loop back with lugs.

What type of bad juju might I accrue??
Often this action seems to result in a bike's stalling in front of a graffiti-filled wall at an abandoned industrial building then never being seen again.


__________________________________________________
1995 K75 73,000 miles
Another noob learning to build big boys toys Usa-lo10
    

Blackthumb

Blackthumb
active member
active member
Lol.. I see! 😂
I Shouldn't worry to much about that, I'm more of you're country lane jaunt kinda man 👍🏼

    

Ron Ashurst

Ron Ashurst
Silver member
Silver member
Welcome Blackthumb


__________________________________________________
1988 BMW K100LT ....minus the fairing.
    

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Seems that removing the rear loop results in threads here and on other K bike forums requesting help with electrical and running issues.

Bricks with rear frame loops just seem to keep chugging along munching miles in the thousands.  Those without loops seem to be beset by starting, running and illumination problems.  Just an observation.


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

Laitch

Laitch
Life time member
Life time member
@Point-seven-five wrote:Bricks with rear frame loops just seem to keep chugging along munching miles in the thousands.  Those without loops seem to be beset by starting, running and illumination problems.  Just an observation.
Spooky, but accurate.  There's a trail of tears following some of those chopped bikes; that is, if they get moving at all. Smile


__________________________________________________
1995 K75 73,000 miles
Another noob learning to build big boys toys Usa-lo10
    

Blackthumb

Blackthumb
active member
active member
Wow... That's weird! I'll have to research this further. Perhaps it's poor build quality or something? One does see a lot of "unfinished project bikes" on EBAY. I am quite meticulous when I immerse into a project. I am someone who likes to explore the outcomes of variables and have definitive answers before moving ahead... Things can take a while... Hopefully if I balster my skill set & knowledge base on these k's I will be successful.

https://media.giphy.com/media/ToMjGpnXBTw7vnokxhu/giphy.gif

    

Point-Seven-five

Point-Seven-five
Life time member
Life time member
@Blackthumb wrote: One does see a lot of "unfinished project bikes" on EBAY.

Do you need more proof?


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

MartinW

MartinW
Life time member
Life time member
Over the twenty one years of owning my Brick I've never ever seen a Brick coffee, scrambler, chopper on the road. I have observed them partially done in sheds and garages. And a few mates and I have bought stripped off parts. So where do they all go???

Regards Martin.


__________________________________________________
K75s Hybrid
    

Blackthumb

Blackthumb
active member
active member
I have a feeling it may be a cashflow/time issue. I have calculated roughly the cost of my build (however little things do pop up out of the blue) and just for parts, with myself doing all the labour, it is about £2200 on top of the cost of the actual bike itself. So i will never recover the money spent, but I don't intend to sell or try to ballance the books. I am doing this for the love of the machine, the experience & make memories as I am building with my daughter.

... Its sad there are so many abandoned projects, so often the journey is as important as the destination.

    

MartinW

MartinW
Life time member
Life time member
Good theory however I lot of owners restore their standard Bricks back to better than new. Which can be just as expensive, and you do see them back on the road. So the question remains where do they go???
Regards Martin.


__________________________________________________
K75s Hybrid
    

Blackthumb

Blackthumb
active member
active member
I've got it... They become the obligatory "rugged functional art" centerpiece in an over paid under, apriciating upper-middle class bad boy wanna-be's douchey mancave... 🙄

    

MartinW

MartinW
Life time member
Life time member
I used to use this at least once a week until they made it illegal. Now my man cave bike. Another noob learning to build big boys toys 177381
Regards Martin.
Another noob learning to build big boys toys Le_fau10



Last edited by MartinW on Wed Sep 19, 2018 7:30 pm; edited 1 time in total


__________________________________________________
K75s Hybrid
    

Blackthumb

Blackthumb
active member
active member
Thats a pretty awesome machine MartinW, shame she's layed up now!

    

MarcS

MarcS
Silver member
Silver member
@MartinW wrote:I used to use this at least once a week until the made it illegal. Now my man cave bike. Another noob learning to build big boys toys 177381
Regards Martin.
Another noob learning to build big boys toys Le_fau10


That pic looks quite funny with your signature "K75s Hydrid"underneath it

Welcome to the forum Blackthumb


__________________________________________________
K100rt ex plod bike 5/1990.



I have no problem with authority. Just some of the morons that are paid to enforce it.
    

MartinW

MartinW
Life time member
Life time member
Unfortunately no BM bits. But it does have rotary hoe, lawn mower, washing machine, air rifle, bicycle, motorcycle,
and compressor parts. Picture of the other side.
Regards Martin.
Another noob learning to build big boys toys Le_fau11


__________________________________________________
K75s Hybrid
    

Ron Ashurst

Ron Ashurst
Silver member
Silver member
That's Awesome Martin. Love it


__________________________________________________
1988 BMW K100LT ....minus the fairing.
    

boostd4

boostd4
Silver member
Silver member
@MartinW wrote:Over the twenty one years of owning my Brick I've never ever seen a Brick coffee, scrambler, chopper on the road. I have observed them partially done in sheds and garages. And a few mates and I have bought stripped off parts. So where do they all go???

Regards Martin.
Another noob learning to build big boys toys 39723

Running 100% Wink      Took a bit to iron out the kinks but considering how much support and info is out there, these bikes are not difficult to customize.


Another noob learning to build big boys toys LAccYY7

    

MartinW

MartinW
Life time member
Life time member
I've still never seen one on the road in OZ.
Regards Martin.


__________________________________________________
K75s Hybrid
    

Point-Seven-five

Point-Seven-five
Life time member
Life time member
I've traveled pretty extensively around the U.S. and must say I see the occasional brick, but have never seen a cafe/scrambler.  I must admit I spend all my time out on the road when traveling and almost never get near a dumpster by a brick or poured concrete wall in the gritty parts of large cities.

What do people do with them after they've taken all the photos?


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

boostd4

boostd4
Silver member
Silver member
I'll be honest, it's a sunny day bike.  Once you pull all the fenders and windscreen off it, it's pretty miserable to ride in the rain.  Then again, I'm not broke... it's much safer to drive my car in the rain than ride the bike, so why not.  I can't say I'd choose to ride it in the rain even it were stock - the driver's in the Chicago area are oblivious enough... add to that the reduced stopping distance in the wet and it begs the question.

    

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