BMW K bikes (Bricks)

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chrisrushlau

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Hello, I am introducing myself. This is me. I need more instructions. HaveI done it yet?
Is this a dating service? I think you've got the idea of me. My motto is "don't tread on me". I wanted to tell the people at the page about mirror pods popping off or not that mine had popped off, thanks to some stranger who bumped into my bike, parkedat the curb for once so I wouldn't have to try tomove out of my normal spot tomorrow morning to go to the club meeting after an expected 2 inches of rain: not dig ruts in a mud hole. So I had a panic, came to Google, found a Youtube of a guy replacing the mirror, he had the pod in his hand, didn't mention how it got there.
Then I found your page, got my courage up, as some people there were saying, greased up the mounting points, went out in the rain, and it sure enough did more or less go right back on, a lot easier than it would have come off, though I wasn't there to see that, for which I'm grateful.

    

JR_K100RS

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G'day chrisrushlau , welcome aboard , now go and make yourself a little strap that you attach onto the back of your pod , thread it through the wiring hole across to the other pod and attach again , you can use a bit of 2mm elastic cord , this way next time some flog bumps your mirror it will not detach completely and hit the ground , many here have done this little mod

Ciao

John Re

Melbourne Australia


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Diamond Grey ( 617 ) 1987 K100RS ( European Delivery ) Original owner
    

RicK G

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Hello Me welcome to our Knuthaus, an assistant shall be along soon to show you to your cell room.


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If everything seems under control then you aint goin fast enough:- Mario Andretti
Bikes 1986 K100RT, 1993 K1100 LT, 1994 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 & 1976 SR 500 Yamaha for now
    

chrisrushlau

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my K-75 stumbles badly on acceleration, some days worse than others. Mileage seem to track that inversely. Last Saturday I was on the expressway for 120 miles, pushing 80 if I could one way, settling for 70 the other, the engine sounded like it was gagging the whole way, mileage 31mpg.
Last Sunday I did a back-roads tour with six other bikes, lots of turns and hills and an aggressive pace, I kept right up, keenly aware that my power band on the day was 3500-4500, I was pleased to see it could zoom right up to 65mph when that was briefly called for. 138 miles @ 51mpg.
Today out on the expressway, seemed it never really stopped gagging, stumbling, gave up the trip after a total of twentyseven miles, used a gallon of gas to go that far.
Part of the bike's problems, as it seems, were cured after six or eight hours of labor at the closest BMW shop, found a rat's nest, quote, in the air cleaner and an unplugged ignition control unit, "plugged it in and she ran", albeit when I got the bike into the shop from seven miles away it was running on twocylinders. I chatted with the mechanic today and he said he hadn't noticed any power fade problems on test drives.
He spent those hours swapping out fuel components because that was my suggested ailment.
So this is to set up the question you dealt with in another post here, about cracks in the air flow rubber channels. Episodic? Possibly related to ambient temperature? It was really hot on Sunday, 90F as opposed to today's and perhaps last Saturday's circa 60F. Let's see, does rubber expand when heated, blocking off cracks?
I'm starting to think about correlations. This bike, the year and three months I've had it, now at 63K miles, has always stumbled when cold, so to get out on the expressway with the temp gauge still below norm, I had to crank the throttle to get over the rough spot so it would catch its breath, like. Now it just can't do that.Except on Sunday when I was leaping up and down hills on twisty roads with the packlike a champion.
Thanks for reading. I've dug the grave for this bike but haven't interred it yet.

    

duck

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You only run it up to 4500? You can run it all day long a 6000 and it won't skip a beat.

What BMW shop did you take your bike to? A dealer or an independent shop? JMHO but you should never take an older K to a BMW dealer. Why? Because the techs there probably have spent minimal time working on the old bikes and their training is on newer models. So when they get an old K bike in they are essentially just manual readers with no real experience on older Ks.

Independent shops? Find one that has experience working on older Ks. There's some really good ones around if you look hard enough.

Since you have mirror pods on a K75, I assume you have a K75RT, right?


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

Point-Seven-five

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Chris Harris of YouTube F-bomb fame is a specialist on older BMW's He's located in southern New Hampshire. Company is Affordable Beemer Services.


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Present:
1994 K75RT
1994 K75S
1992 K100RS

Past:
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

RicK G

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There is obviously a big air leak somewhere. Try the propane trick or use carb cleaner but I would say that you will be removing all the inlet gear so may as well do it and check and renew anything at all in doubt. The thread by Mystic Red has it well covered there is not much more I can add except check the Z shaped hose from the crankcase to the plenum chamber, they rot to bits in a matter of 3 years or so, I always have a spare on hand.


__________________________________________________
If everything seems under control then you aint goin fast enough:- Mario Andretti
Bikes 1986 K100RT, 1993 K1100 LT, 1994 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 & 1976 SR 500 Yamaha for now
    

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