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K100-forum.com » Technical, repair and troubleshooting » Engine and transmission » Air filter change made easy?

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1Back to top Go down   Air filter change made easy? Empty Air filter change made easy? Tue Apr 18, 2017 3:09 am

SniperX

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   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 3:32 am

Laitch

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 Tue Apr 18, 2017 12:42 pm; edited 1 time in total


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1995 K75 90,000 miles
    

3Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 3:51 am

SniperX

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! 


__________________________________________________
1985 BMW K100RT, 2006 Ducati ST3, 1996 Honda CBR1000f, 2001 Honda XR400r
    

4Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 3:52 am

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 Tue Apr 18, 2017 7:08 am; edited 1 time in total (Reason for editing : fixed typos)


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

5Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 4:43 am

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.)
Air filter change made easy? Frustr10


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Air filter change made easy? Frog15Air filter change made easy? Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML GT2 sidecar, 1999 K1200lt/Hannigan Astro Sport sidecar.
    

6Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 5:01 am

Laitch

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. Air filter change made easy? 177381


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1995 K75 90,000 miles
    

7Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 5:14 am

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.


__________________________________________________
1985 BMW K100RT, 2006 Ducati ST3, 1996 Honda CBR1000f, 2001 Honda XR400r
    

8Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 6:23 am

Dai

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 Air filter change made easy? 212902


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

9Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 7:18 am

indian036

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  VIN 0028991  My original Very Happy ROB the Red Old Bike   (Historic rego)
1985 K100RT  VIN 0029036  BOB the Blue Old Bike  (Historic rego)
1990 K100LT  VIN 0190452  Work in progress
1984 K100RT  VIN 0023022  Work needing lots of progress
1986 K100RT  VIN 0090542  Work needing lots and lots of progress
1993 K1100LT  VIN 0183046  Work in progress
1993 K75S  VIN 0213045  Tom the Triple (now on Historic rego too.)
    

10Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 7:49 am

Point-Seven-five

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.


__________________________________________________
Present: 1991 K100RS "Moby Brick Too"
 
Past:
1994 K75RT "Ilsa, She Wolf of the SS"
1988 K100RS SE "Special Ed"
1994 K75S "Cheetos"
1992 K100RS "Moby Brick" R.I.P.
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

11Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 7:54 am

KJustin

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!


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

12Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 8:04 am

Crazy Frog

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 Air filter change made easy? 212902

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


__________________________________________________
Air filter change made easy? Frog15Air filter change made easy? Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML GT2 sidecar, 1999 K1200lt/Hannigan Astro Sport sidecar.
    

13Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Tue Apr 18, 2017 10:47 am

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.


__________________________________________________
Neil
K100RS 1986 RED!

Dress for the ride and the potential slide.
    

14Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Sun Apr 23, 2017 2:39 pm

WoodyAUK75

WoodyAUK75
Silver member
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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   Air filter change made easy? Empty Re: Air filter change made easy? Sun Apr 23, 2017 8:36 pm

Dai

Dai
Life time member
Life time member
Notwithstanding the word 'front' molded into one lip...


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

16Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Mon Apr 24, 2017 2:07 am

SniperX

SniperX
Silver member
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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".....


__________________________________________________
1985 BMW K100RT, 2006 Ducati ST3, 1996 Honda CBR1000f, 2001 Honda XR400r
    

17Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Mon Apr 24, 2017 9:36 am

Inge K.

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

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


Air filter change made easy? Filter10


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


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

18Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Mon Apr 24, 2017 2:25 pm

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   Air filter change made easy? Empty Re: Air filter change made easy? Mon Apr 24, 2017 6:32 pm

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.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

20Back to top Go down   Air filter change made easy? Empty Re: Air filter change made easy? Mon Apr 24, 2017 8:19 pm

Dai

Dai
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Life time member
Inge K. wrote:
Dai wrote:Notwithstanding the word 'front' molded into one lip...

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


Air filter change made easy? Filter10


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


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

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