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Offline Ian

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K & N air filters
« on: January 25, 2014, 11:10:16 AM »
Has any one looked at using an after market air filter such as the K & N?  Given I'm told it is a relatively lengthy job to replace the standard filter every 16000 kilometres a K & N seems to make sense.  I'm a little reluctant to go away from standard items but if any one has any experience with after market filters I'm interested to hear of your experience with them.

Offline DonTom

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Re: K & N air filters
« Reply #1 on: January 25, 2014, 12:45:39 PM »
*Originally Posted by Ian [+]
Has any one looked at using an after market air filter such as the K & N?  Given I'm told it is a relatively lengthy job to replace the standard filter every 16000 kilometres a K & N seems to make sense.  I'm a little reluctant to go away from standard items but if any one has any experience with after market filters I'm interested to hear of your experience with them.
While the K & N might last forever, you still have to remove it to oil it and clean it.

Besides, I don't think it's a good idea on a high tech machine such as the TTSE to change much of anything that can affect the engine performance. There's just too much going on in there to be sure of what any little change could do.

BTW, I have a K & N air filter in my 84 Venture. But it is easy to get to. When I changed it, I did some other minor work such as change the spark plugs, but my MPG when from an average of 35 to 45 MPG after I was done and I think the K & N had a lot to do with it.

However, I wouldn't change anything on the TTSE other than what Triumph recommends.

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Offline Desertaire

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Re: K & N air filters
« Reply #2 on: January 25, 2014, 06:00:25 PM »
I was just wondering, would a K&N go 20,000 miles between cleanings? That way the tank would only have to be removed half as often, with the valve check.

Offline w8d4it

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Re: K & N air filters
« Reply #3 on: January 25, 2014, 06:04:07 PM »
the issue has been discussed before and you may find this thread helpful
https://www.triumph-trophy.com/index.php/topic,1020.msg11395.html#msg11395
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Offline Old Hand

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Re: K & N air filters
« Reply #4 on: January 25, 2014, 06:46:02 PM »
I don't have a Trophy (as yet), but have been using K&N filters on my Concours 14 since 2009. I have done 140,000 Kms. with the K&n filters with no adverse effects. Because the filter has to be washed when cleaning and takes a day or two to dry before oiling and re-installing it, I have two K&N air filters so that I install a clean one and then clean and oil the one that I removed and swap it at the next service interval. This way the bike is not out of service while the filter is being cleaned and dried.
I have also been using K&N filters in my car with no problems.
I find that I can extend the air filter replacement / swap by about 50% of the recommended interval with the K&Ns.
There is also a small, but noticeable, improvement in performance and fuel consumption with the K&Ns.

I'm planning to get a Trophy this spring, and will tell the dealer to install a K&N air filter when they are prepping the bike for delivery so that I don't have to go back after a couple of months to get the filter changed with the amount of riding that I do.

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Offline Desertaire

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Re: K & N air filters
« Reply #5 on: January 25, 2014, 07:05:21 PM »
Two filters, that might be the ticket. The K&N I had in my ST1300 always looked clean. Certainly went longer than 10,000 miles per cleaning. I'm just trying to figure out a way of not having the dealer pull the plastic of the bike as often.

Offline w8d4it

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Re: K & N air filters
« Reply #6 on: January 25, 2014, 07:10:04 PM »
*Originally Posted by Desertaire [+]
Certainly went longer than 10,000 miles per cleaning. I'm just trying to figure out a way of not having the dealer pull the plastic of the bike as often.
I admit I've never run a K&N in any of my bikes.  But for years I've run them in cars and they did not go 10,000 miles between cleanings.  I suppose they could have but that kind of defeated the purpose of having a cleanable filter.  At least for me.  I used a cleanable filter so that it can be cleaned frequently and kept darn near immaculate. 
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Offline Queensland Ken

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Re: K & N air filters
« Reply #7 on: January 25, 2014, 08:35:46 PM »
It's a bit of a bugger to remove all the plastics to gain access to the filter.
Just been through that process gaining access to the throttle bodies.

It was surprising that there were a few bugs and stuff in the air box but the filter itself was reasonably clean after 6K kms.
Had to pull off the air box as well.

I've been running K&N filters on my bikes without any problems, so long as you read the instructions AND don't over oil them.
I'll most likely buy one for the bike when the time comes and a set of iridium plugs.

I do like K&N's, clean them when changing out the oils, but it will be a pain with the Trophy.
« Last Edit: January 25, 2014, 08:48:34 PM by Queensland Ken »
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