BMW K bikes (Bricks)

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1Back to top Go down    Fitting intake rubbers on Wed Jul 24, 2013 12:16 pm

brickrider

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I've ordered new rubber connectors to fit the throttle bodies to the head. Should the connectors be fitted dry or with a sealer? If with a sealer, which should I use? I'd used Dirko in the past on the old rubber connectors, but they began to leak within a few months. Crying or Very sad
Man, I hate the thought of working on those things again. Space is so tight there.... Rolling Eyes

    

2Back to top Go down    Fitting intake rubbers on Wed Jul 24, 2013 1:14 pm

ironbutt

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I'll be interested in the replies for this as I have to do this when I return from my trip. I would think no sealant but maybe a lite coat of wd-40 won't

harm the rubbers. Just my two cents. Where did you get yours from and what was the cost?


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85 K100rs WB 1051307F0040102
2010 Camaro SS
    

3Back to top Go down    Re: Fitting intake rubbers on Wed Jul 24, 2013 1:25 pm

brickrider

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Those rubber bits are depressingly expensive at the local BMW dealer, so I ordered them from Motobins. I figure I saved around $50 US in so doing. I just hope they are promptly shipped, as I plan to ride to Yellowstone in early August. Surprised-o:
Fingers crossed....

    

4Back to top Go down    Re: Fitting intake rubbers on Wed Jul 24, 2013 5:31 pm

Johnser

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@ironbutt wrote:I'll be interested in the replies for this as I have to do this when I return from my trip. I would think no sealant but maybe a lite coat of wd-40 won't

harm the rubbers. Just my two cents. Where did you get yours from and what was the cost?

woah there! stay away from rubber bits with any kind of oil based lubricants. there's a good chance they'll shorten the life of it. assemble with silicone grease if you need something to help them slip on or something like hylomar blue if you need something to help seal.

WD40 is for displacing water.

    

5Back to top Go down    Fitting intake rubbers on Wed Jul 24, 2013 6:10 pm

ironbutt

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Woa K good point!


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85 K100rs WB 1051307F0040102
2010 Camaro SS
    

6Back to top Go down    Re: Fitting intake rubbers on Wed Jul 24, 2013 6:24 pm

Johnser

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@ironbutt wrote:Woa K good point!

heh - there is another branded lubricant which wont perish rubber.... or latex.Smile

    

7Back to top Go down    intake rubber on Wed Jul 24, 2013 7:54 pm

tezk100rs

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I'll be doing the same job soon and I would be looking at water inlet/outlet pipe of same diameter from mining machinery eg Catepillar...these machines work in 40 degree centigrade heat all day everyday ..I used a Cat pipe on my pool pump and its still there 25 years later been in the sun and dosn't even look like perishing
Regards Terry

    

8Back to top Go down    Fitting intake rubbers on Wed Jul 24, 2013 8:15 pm

ironbutt

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85 K100rs WB 1051307F0040102
2010 Camaro SS
    

9Back to top Go down    Re: Fitting intake rubbers on Wed Jul 24, 2013 8:29 pm

RicK G

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Hylomar Blue or Permatex Blue will do the job.


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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
    

10Back to top Go down    Re: Fitting intake rubbers on Wed Jul 24, 2013 11:35 pm

charlie99

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anything that is fuel resistant ...there is a fair bit of it around those places


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11Back to top Go down    intake rubbers on Thu Jul 25, 2013 8:15 am

tezk100rs

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Catepillar rubber resists anything...but there is a problem..the top of the carburetor is 40mm and the bottom of the plastic plenum chamber is 43mm...the original BMW part may be the only answer. I will try the cat hose first
Regards Terry

    

12Back to top Go down    Re: Fitting intake rubbers on Mon Jul 29, 2013 11:41 am

zonenfeile

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@tezk100rs wrote:Catepillar rubber resists anything... I will try the cat hose first
Regards Terry

lol!

Best regards from CAT Dealer in Ger.
why do we sell rubber parts for CAT all the time

btw.
the lower side of the new intake rubbers has a little sealinglip .This is supposed to do its job.

if the Rubbers are ok:
you can mount them with 3-bond from BMW (usefull stuff anyway)
prt no: 07589062376

compl. part list : Partlist K75-K1100


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Regards from Hamburg

Olaf
    

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