BMW K bikes (Bricks)

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1Back to top Go down    Vacuum hose??? on Fri Sep 25, 2015 7:17 pm

gabriel


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Hi

I want to replace the vacuum hose which attaches from the throttle bodies to the for...size quoted is 3.3*1.75 approx 25 cm length.

I contacted Bmw Southbank in Melbourne and they confirmed that size is no longer available. I think the current version is 3.4*1.8..
I asked the inevitable question...how much?
I was quoted $65.00:silent:
Must have been gold plated!!!! After a quick recovery from heart palpitations I left..Can anyone recommend a business where I can purchase vacuum hose at a reasonable price?
Thanks
Gabriel

    

2Back to top Go down    Re: Vacuum hose??? on Fri Sep 25, 2015 7:22 pm

charlie99

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almost any where Gabriel

cheap as chips

there is no really critical factors involved with this line as it only connects between the barb of the throttle body and the regulator

hope fully you still have the stainless spring which covers the line still , which can be reused with the new rubber bit .

good luck


__________________________________________________
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: Vacuum hose??? on Fri Sep 25, 2015 7:30 pm

gabriel


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Thanks. I purchased a spring.
Can you recommend a business?
Cheers

    

4Back to top Go down    Re: Vacuum hose??? on Fri Sep 25, 2015 9:52 pm

Two Wheels Better

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The OE vacuum hose is 3.5 x 1.8 (OD x ID), part number 11 72 7 545 323 and is US$16.03 per metre.

I rang BMW Melbourne once ages ago asking after an Airhead rear caliper repair kit, was told $65 with a two to three week wait. Instead I bought it from a US dealership, $32 all up, delivered to OZ.

Reckon $65 is their favourite number!?

Super Cheap and their ilk will have basic vacuum hose as Chazza says, cheap as chips.


__________________________________________________


'77 R75/7-1000cc, '87 K100RS, '93 K11/K12 Big Block, '94 R100R Mystic, '03 K1200GT, '04 R1150RT, '06 K1200R, '07 K1200R & 2009 K1300GT
    

5Back to top Go down    Re: Vacuum hose??? on Fri Sep 25, 2015 11:14 pm

gabriel


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Silver member
Thanks for the replies.
I've often been tempted to purchase parts from the U.S. Postage seems to be the killer..
Can you recommend a business?
That would be helpful.
I purchased four gasket rings and the hex nuts for the exhaust from Bmw Southbank.
$40 later I'm Thinking..mm.there has to be a better way to buy parts!!!!
I usually order from Motobins.
Some of the prices quoted in the U.S. Are appealing!

Cheers

    

6Back to top Go down    Re: Vacuum hose??? on Fri Sep 25, 2015 11:24 pm

Two Wheels Better

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Super Cheap auto parts, etc.,will have vacuum hose.


__________________________________________________


'77 R75/7-1000cc, '87 K100RS, '93 K11/K12 Big Block, '94 R100R Mystic, '03 K1200GT, '04 R1150RT, '06 K1200R, '07 K1200R & 2009 K1300GT
    

7Back to top Go down    Re: Vacuum hose??? on Sat Sep 26, 2015 2:17 am

Holister

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I think you'll be lucky to find generic 3.5mm vacuum hose. Smallest seems to be 3mm then 4mm and 6mm... etc. 4mm will probably be your best bet. The only reference I can quickly find relating to vacuum hose ID and nipple size isHERE where it says 4mm ID hose for a 5mm nipple. The K100 vacuum nipple measures a smidge under 5mm. I was in Repco a few weeks ago inquiring about hoses... they don't stock anything under 6mm. You could try SupaCheap Auto but I think you'll be lucky if they stock anything that small also.
There's plenty available cheap on Ebay and even coloured.

I think the BMW spec 3.5 x 1.8 refers to ID x wall thickness which will make it about 7mm OD

Re exhaust gaskets. I bought a set last year fromShow'n'Go Motorcycles in adelaide for AU$24.


__________________________________________________
1988 K100RT VIN No. 0094680
1989 K100RT VIN No. 0097367 (naked)
1996 K1100RS VIN No. 0451808
Fuel: 95 Octane
Engine Oil:Nulon Full Synthetic 15W50
Gear Box Oil: Nulon Synthetic 75W90
    

8Back to top Go down    Re: Vacuum hose??? on Sat Sep 26, 2015 4:54 am

gabriel


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Silver member
Hi
You are correct. I've been to repo and stupa cheap.. No luck.
There is a company which stocks this size even mentions Bmw but I
Don't think they sell retail. I think the are called forsche.
the $40 also included the hex nuts..
Cheers

    

9Back to top Go down    Re: Vacuum hose??? on Sat Sep 26, 2015 5:13 am

charlie99

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the 1/8 inch internal ( one of the imperial preferred sizes (3.2mm )fits ok gabiel the barb is about 4mm on both ends and most will stretch to this size barb


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
    

10Back to top Go down    Re: Vacuum hose??? on Sun Oct 04, 2015 1:56 pm

ReneZ

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Can't you ask your local BMW (car) dealer? All BMW dealers can order from the same system. Shouldn't be that expensive. Same system was used on some older UK cars, so look at cars where they used the same FPR (with the vacuum take-off).


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Greetings from Florida! Having a 'new' K :cyclops: Surprised-o:

Rene


BMW K100 - 1985 (0030029)
BMW K1200GT - 2003 (ZK01223)
    

11Back to top Go down    Vacuum hose replacement sources on Thu Dec 24, 2015 2:15 am

redrockmania

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I have used from SuperCheapAuto in Australia a Mackay brand (Australian company) hose. SCA have a hose section near cooling system parts. The hose is in a rectangular pack with a clear plastic outer. Very good quality - ID (Inside Diameter) is correct but OD (outside diameter) is slightly thicker meaning that you can't fit the protective spring over the outside of the tube, but the extra thickness seems to help the inside of the tube remain open at tight bends. If you are of a concours mind forget it because the hose colour is not pure black - it's got a slight olive green tone. But hey it works. The price is reasonable also.

    

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