BMW K bikes (Bricks)

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1Back to top Go down    Air filter change made easy? on Mon Apr 17, 2017 2:09 pm

SniperX

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Air filter change made easy? How do you change the air filter on an 80s k100rt without wanting to throw stuff long distances?

    

2Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 2:32 pm

Laitch

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Is it the removal of fairing sections that's disturbing you or is it compulsion control in general that's the challenge? Smile The replacement itself is straightforward.



Last edited by Laitch on Mon Apr 17, 2017 11:42 pm; edited 1 time in total


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1995 K75T 68,000 miles
    

3Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 2:51 pm

SniperX

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@Laitch wrote:Is it the removal of fairing sections that's disturbing you or is it compulsion control in general that's the challenge. Smile The replacement itself is straightforward.


Bloody hell mate! I almost had it! I was thinking the top of the airbox had to come off but almost had the filter out when I gave up and asked! THANKS!


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1972 BMW 3.0CSL, 1985 BMW Dinan 535i, 2001 Honda XR400R (plated), 1985 K100RT, 2004 ZX3 Focus, 1991 Dodge Power Wagon 4x4. 1977 Plymouth Trailduster 35K original miles!
    

4Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 2:52 pm

KJustin

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Sniper, the video above is good. But it doesn't show the incredibly frustrating thing I experienced when I did this. It's been a few years now, but my recollection is that there's a lip or recess on the side of the filter that is towards the throttle bodies that hangs up when you try to pull the filter out. But you can' t see it, so it seems to just get stuck there. So you have to move the top half of the air box up a bit (that is shown on the video, but they don't say why), then pull the filter up on all 4 sides before pulling it out. Hope that helps. Good luck!



Last edited by KJustin on Mon Apr 17, 2017 6:08 pm; edited 1 time in total (Reason for editing : fixed typos)


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1985 K100 Cafe Racer (formerly an RT), VIN 0051736
    

5Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 3:43 pm

Crazy Frog

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This is what I am thinking about the poor design of the BMW K-bike air filter. If the canister was a 1/4" lower, it wouldn't be any problem.
(Try to replace the Mass Airflow Sensor and be ready for even more frustration.)


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1986 k75, 1985 K100rt, 1985 K100rt/EML sidecar.
    

6Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 4:01 pm

Laitch

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@Crazy Frog wrote: If the canister was a 1/4" lower, it wouldn't be any problem.
If it were that much lower it would been only two minutes of my life instead of three minutes that I'd have lost every time I replaced that filter. O, the things I could have done with that extra time; the regrets I would not have.


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1995 K75T 68,000 miles
    

7Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 4:14 pm

SniperX

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Thanks all! I almost got in the Guinness book of world records for spanner throw due to a bit of frustration.


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1972 BMW 3.0CSL, 1985 BMW Dinan 535i, 2001 Honda XR400R (plated), 1985 K100RT, 2004 ZX3 Focus, 1991 Dodge Power Wagon 4x4. 1977 Plymouth Trailduster 35K original miles!
    

8Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 5:23 pm

Dai

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A pair of long-nose (snipe-nose) pliers is a must to replace that bloody inner clip.


CF: replacing the MAF is easy-peasy. You just need to hack through the cable on the left-hand side just in front of the airbox and fit a four-pin connector in there. mech


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'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

9Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 6:18 pm

indian036

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Or in my case, Air filter change made hard! The previous owner had somehow put it in backwards, with the higher lip that should have been on the right instead being on the left.

Even more worthy of throwing spanners.

Bill

(Not on BOB the Blue Old Bike, so RT was not the culprit)


__________________________________________________
1985 K100RT Red. VIN 0028991K100RT ENG 104EA248523386
1985 K100RT Blue. VIN 0029036K100RT ENG 104EA25852071
1990 K100LT Black. VIN WB105060310190452
1984 K100RT White. VIN. 0023022K100RT ENG 104EA32848523
    

10Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 6:49 pm

Point-Seven-five

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I am so very grateful that the designers chose a damn filter that only needs to be changed every 50,000 miles.


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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
    

11Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 6:54 pm

KJustin

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@indian036 wrote:Or in my case, Air filter change made hard! The previous owner had somehow put it in backwards, with the higher lip that should have been on the right instead being on the left.
I think that's what happened with mine! Tremendous PITA!


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1985 K100 Cafe Racer (formerly an RT), VIN 0051736
    

12Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 7:04 pm

Crazy Frog

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@Dai wrote:
CF: replacing the MAF is easy-peasy. You just need to hack through the cable on the left-hand side just in front of the airbox and fit a four-pin connector in there. mech

Adding another point of potential failure due to corroded extra connections? affraid


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1986 k75, 1985 K100rt, 1985 K100rt/EML sidecar.
    

13Back to top Go down    Re: Air filter change made easy? on Mon Apr 17, 2017 9:47 pm

blaKey

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Throw spanners?

I just yell at it.

Quite satisfying really. Upsets the neighbours no end. And the wife. And the kids.

Don't have to go looking for spanners either.


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Neil
K100RS 1986 RED!
K100RT 1987 (now nekkid with red bits)

Remember Rule No. 6
    

14Back to top Go down    Re: Air filter change made easy? on Sun Apr 23, 2017 1:39 am

WoodyAUK75

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@KJustin wrote:
@indian036 wrote:Or in my case, Air filter change made hard! The previous owner had somehow put it in backwards, with the higher lip that should have been on the right instead being on the left.
I think that's what happened with mine! Tremendous PITA!
Mine too, took me ages the first time!

    

15Back to top Go down    Re: Air filter change made easy? on Sun Apr 23, 2017 7:36 am

Dai

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Notwithstanding the word 'front' molded into one lip...


__________________________________________________
'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

16Back to top Go down    Re: Air filter change made easy? on Sun Apr 23, 2017 1:07 pm

SniperX

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@Dai wrote:Notwithstanding the word 'front' molded into one lip...
I'm sure most see that after the new K bike Olympic sport known as "Spanner Throw".....


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1972 BMW 3.0CSL, 1985 BMW Dinan 535i, 2001 Honda XR400R (plated), 1985 K100RT, 2004 ZX3 Focus, 1991 Dodge Power Wagon 4x4. 1977 Plymouth Trailduster 35K original miles!
    

17Back to top Go down    Re: Air filter change made easy? on Sun Apr 23, 2017 8:36 pm

Inge K.

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@Dai wrote:Notwithstanding the word 'front' molded into one lip...

Nah, but close...............





But on the other hand it would have helped some, with "front" on the other end....


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

18Back to top Go down    Re: Air filter change made easy? on Mon Apr 24, 2017 1:25 am

Rockman


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When I changed the airfilter on my K100 not long after I got it I noticed a PO had marked it April 1998, so it had only been there 17 years at that time. Maybe a bit more often would be a good thing. Very Happy

    

19Back to top Go down    Re: Air filter change made easy? on Mon Apr 24, 2017 5:32 am

92KK 84WW Olaf

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I took my last one out a few weeks ago at about 18,000 miles. It was in a bad way. I have diligently ensured the air duct out to the front of the radiator panel is correctly connected up and figure a lot of crap comes in that way too.


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1992 K100LT 0193214 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 58,645 now 60,500miles
    

20Back to top Go down    Re: Air filter change made easy? on Mon Apr 24, 2017 7:19 am

Dai

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@Inge K. wrote:
@Dai wrote:Notwithstanding the word 'front' molded into one lip...

Nah, but close...............





But on the other hand it would have helped some, with "front" on the other end....
Razz


__________________________________________________
'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

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