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Author Topic: Ktm 690 airfilter  (Read 3584 times)

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Offline LDV

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Ktm 690 airfilter
« on: May 15, 2015, 09:47:01 am »
Just opened my airbox.
Found  dust inside the airbox.
3000km on stock filter.
Looks like the filter does not seal properly.
What filter does the amageza boys use?




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Offline Bill the Bong

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Re: Ktm 690 airfilter
« Reply #1 on: May 15, 2015, 12:33:31 pm »
I put Belray waterproof grease of the lip first.  That's where the dust comes in.  I use a mixture of filters for Amageza, even OEM ones.  Most of mine are Uni filters (foam).  I buy whatever is on special.
 

Offline Dirt Junkie

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Re: Ktm 690 airfilter
« Reply #2 on: May 15, 2015, 01:47:09 pm »
I always use K&N air filter grease on that lip, get yourself a KTM powerparts foam filter
« Last Edit: May 15, 2015, 01:48:34 pm by Dirt Junkie »
Something to think about...
When you complain, you make yourself a victim. Leave the situation, change the situation, or accept your it. All else is madness.

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Offline Hooli

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Re: Ktm 690 airfilter
« Reply #3 on: May 15, 2015, 04:13:30 pm »
I also use aftermarket filter and also grease the lipp.
I also spray DWF on inside of airbox, to catch the excess dust that might pass the filter, and prevent it from going into the system.
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Offline Buff

Re: Ktm 690 airfilter
« Reply #4 on: May 15, 2015, 04:35:40 pm »
That 690's airbox design is the single most shittiest part on that entire bike. I cannot believe that a bike costing over R100K comes with a set of lungs built & assembled by a blind Chinese double amputee. I had mine replaced with a stage 2 foam filter before I rolled it off the workshop floor and low and behold, the first time I opened it up to clean it there was dust in the airbox  :eek7: Why the f&^% don't they just contract Tupperware to make their airboxes, even they manage waterproof and airtight.

Needless to say, after losing my 660Z's motor to dust, I packed that airbox so full of grease that Land Rover service centre would have been proud of me. It's due for another clean this weekend so I'll see how successful I was at sealing it  ::)
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Offline wolf skaap

Re: Ktm 690 airfilter
« Reply #5 on: May 16, 2015, 08:32:25 pm »

Bloody hell man, thats bad.
I would have the top end compression tested.

This has me nervous, seeing as I'm in the market for a 2nd hand 690  :-\
« Last Edit: May 16, 2015, 09:25:17 pm by wolf skaap »
Let the good times roll!
 

Offline Bill the Bong

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Re: Ktm 690 airfilter
« Reply #6 on: May 17, 2015, 09:37:07 am »
Two things:

- Either the airbox or the dust could be electrostatically charged, causing the dust to stick on the airbox
- There is a velocity stack in the airbox that forms the intake.  It protrudes into the box by about 2 inches

It is therefor not a given that the dust was actually ingested.  Pull the airbox and have a look inside the throttle body.
 

Offline LDV

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Ktm 690 airfilter
« Reply #7 on: May 17, 2015, 09:49:42 am »
Pulled and cleaned everything. The box was quite sticky on the inside so dust sticked to the sides.
Throttle body also had dust inside.
Struggled to see without wiping  with  my finger.
Talked to ktm mech he said small amount of dust is normal. Wtf?
Will take the bike for compression test.



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Offline 2StrokeDan

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Re: Ktm 690 airfilter
« Reply #8 on: May 17, 2015, 10:06:17 am »
I just replaced my airfilter, again with the paper element type, and I used Wurth oil resistant silicone sealant to seal that filter in. I do not trust the grease to form a barrier for
long enough. If there is a gap between element and housing, would grease keep on effectively blocking that gap?
 

Offline wolf skaap

Re: Ktm 690 airfilter
« Reply #9 on: May 17, 2015, 10:07:41 am »
Normal to have the workshop ticking over,  yes
Let the good times roll!
 

Offline boland

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Re: Ktm 690 airfilter
« Reply #10 on: May 17, 2015, 11:09:48 am »
I also use "gasket maker" silicone instead of grease. Haven't had any problemz
 

Offline Bill the Bong

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Re: Ktm 690 airfilter
« Reply #11 on: May 18, 2015, 09:13:44 am »
I just replaced my airfilter, again with the paper element type, and I used Wurth oil resistant silicone sealant to seal that filter in. I do not trust the grease to form a barrier for
long enough. If there is a gap between element and housing, would grease keep on effectively blocking that gap?


During Amageza I change the filter either daily or every 2nd day, so silicone will not work or will be a pain in the butt.  However, I've not ever had dust inside mine.  The Belray Waterproof grease is extremely sticky.

I only use mine for Amageza and training runs in support, so I don't really know how long is "long enough".
 

Offline Bill the Bong

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Re: Ktm 690 airfilter
« Reply #12 on: May 18, 2015, 09:14:23 am »
Pulled and cleaned everything. The box was quite sticky on the inside so dust sticked to the sides.
Throttle body also had dust inside.
Struggled to see without wiping  with  my finger.
Talked to ktm mech he said small amount of dust is normal. Wtf?
Will take the bike for compression test.



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Ai tog
 

Offline RiverRunner

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Re: Ktm 690 airfilter
« Reply #13 on: August 20, 2015, 04:10:44 am »
I had dust in the airbox when I first checked it at about 400 miles.  Stock paper filter - no grease around seal.

I changed to the Australian Uni with a nice seam of waterproof wheel bearing grease around the rim seal.

No dust since.
 

Offline wolf skaap

Re: Ktm 690 airfilter
« Reply #14 on: August 20, 2015, 10:21:29 am »
I had dust in the airbox when I first checked it at about 400 miles.  Stock paper filter - no grease around seal.

I changed to the Australian Uni with a nice seam of waterproof wheel bearing grease around the rim seal.

No dust since.
Are you speaking about this one?


I must admit that had it not been for these incidents, I would have been on a 690 today.  :-\
Would any of you feel comfortable buying a 690 2nd hand?

I wasn't.
Let the good times roll!
 

Offline Buff

Re: Ktm 690 airfilter
« Reply #15 on: August 20, 2015, 11:07:49 am »
I took my bike back to KTM and had them do a leak and compression test under warrantee to ensure there was no damage to the motor. Fortunately it got the all clear and hasnít used a drop of oil yet. I also got it in writing that if I have any issue going into the future regarding the dust episode it will be sorted under warrantee.

They apparently fixed the issue, it was due to pieces of plastic that were supposed to be cut off during installation of the foam filter. I wasn't falling for that shit excuse and I now silicon my filter in every time I clean it. I'll upgrade to the Rally filter asa my bank account allows it.
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Offline wolf skaap

Re: Ktm 690 airfilter
« Reply #16 on: August 20, 2015, 11:22:30 am »
I took my bike back to KTM and had them do a leak and compression test under warrantee to ensure there was no damage to the motor. Fortunately it got the all clear and hasnít used a drop of oil yet. I also got it in writing that if I have any issue going into the future regarding the dust episode it will be sorted under warrantee.

They apparently fixed the issue, it was due to pieces of plastic that were supposed to be cut off during installation of the foam filter. I wasn't falling for that shit excuse and I now silicon my filter in every time I clean it. I'll upgrade to the Rally filter asa my bank account allows it.
Hmm that's interesting.
Dwerg, our resident 690 guru, advised that it's due to "over tightening the airbox cover bolts"
Let the good times roll!
 

Offline Dwerg

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Re: Ktm 690 airfilter
« Reply #17 on: August 20, 2015, 11:53:34 am »
I took my bike back to KTM and had them do a leak and compression test under warrantee to ensure there was no damage to the motor. Fortunately it got the all clear and hasnít used a drop of oil yet. I also got it in writing that if I have any issue going into the future regarding the dust episode it will be sorted under warrantee.

They apparently fixed the issue, it was due to pieces of plastic that were supposed to be cut off during installation of the foam filter. I wasn't falling for that shit excuse and I now silicon my filter in every time I clean it. I'll upgrade to the Rally filter asa my bank account allows it.
Hmm that's interesting.
Dwerg, our resident 690 guru, advised that it's due to "over tightening the airbox cover bolts"

Same thing Louis at Trax told me when I picked up my bike yesterday. Mine had dust in the throttle bodies and valves were out of spec. Bike is also using a bit of oil. Mine is fitted with a unifilter and I am super slack with maintenance. ~13000 hard kms on the clock. I was advised to replace the airbox
« Last Edit: August 20, 2015, 11:54:03 am by Dwerg »
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Offline wolf skaap

Re: Ktm 690 airfilter
« Reply #18 on: August 20, 2015, 11:57:33 am »
Same thing Louis at Trax told me when I picked up my bike yesterday. Mine had dust in the throttle bodies and valves were out of spec. Bike is also using a bit of oil. Mine is fitted with a unifilter and I am super slack with maintenance. ~13000 hard kms on the clock. I was advised to replace the airbox
:o
You don't seem too fazed by it?
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Offline Dwerg

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Re: Ktm 690 airfilter
« Reply #19 on: August 20, 2015, 12:03:32 pm »
Same thing Louis at Trax told me when I picked up my bike yesterday. Mine had dust in the throttle bodies and valves were out of spec. Bike is also using a bit of oil. Mine is fitted with a unifilter and I am super slack with maintenance. ~13000 hard kms on the clock. I was advised to replace the airbox
:o
You don't seem too fazed by it?

I'm not. Partly my fault. Keep in mind that about 10 000kms of the mileage was racing and race training. For the type of riding you do, would you be upset if you had to do a top end on a 450 at 400 hours?
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