2018 updates to 17 AER 48?

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7/26/2017 3:35 PM

Hello,
I remember reading an article in one of the magazines that there was a small company that was updating the 17 forks to the 18 specs. It was very affordable.... I think around $300 for the magazine test. Does anyone remember seeing this article? I am in need of a service on my suspension and want them to update as well. Not necessarily a revalve, just freshen up. I am in Ocala Florida if there is someone close to here?

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7/28/2017 10:34 AM

FC has the parts now and will do it. I imagine it's pretty close to the same price.

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7/28/2017 10:45 PM

I think it was Dicks Racing in Utah.

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The older I get, the faster I was.

7/29/2017 3:02 AM

Ahhh.... That does sound familiar. I couldn't remember that at all. Thank you to both of you!

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7/29/2017 5:18 PM

N2dirtsuspension

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7/30/2017 4:56 PM

The pro circuit mod $280 with rebuild
They increased the dampening and less bleed off inside..,,what I read is the direction of the 2018s now

http://www.mxa-digital.com/motocrossaction/january_2017?folio=68&pg=NaN#pgNaN

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7/31/2017 10:41 AM
Edited Date/Time: 7/31/2017 12:53 PM

had my 2017 fork collapse this weekend. Im going spring conversion asap.

Even with the update to the 18 fork, I'm out on air.

Happened on a jump and thankfully it was first lap of practice so I wasn't hitting the jumps but it was enough to scare me from sticking with air.

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7/31/2017 12:08 PM

IceMan446 wrote:

had my 2017 fork collapse this weekend. Im going spring conversion asap.

Even with the update to the 18 fork, I'm out on air.

Happened on a jump and thankfully it was first lap of practice so I wasn't hitting the jumps but it was enough to scare me from sticking with air.

How many hours?

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7/31/2017 12:53 PM

CSAR FE wrote:

How many hours?

12 hours

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7/31/2017 6:46 PM

IceMan446 wrote:

had my 2017 fork collapse this weekend. Im going spring conversion asap.

Even with the update to the 18 fork, I'm out on air.

Happened on a jump and thankfully it was first lap of practice so I wasn't hitting the jumps but it was enough to scare me from sticking with air.

When you had your fork revalved, did they do anything to the air side? I'm hearing the collapse primarily happens on modified forks, and that the stock air spring has remained reliable.

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7/31/2017 10:19 PM

No work done on the air side. Was going to update to the 18 setup but didn't have the part in time.

I heard it could have been from running too low of a PSI in the beginning causing some sort of damage to the quad ring. Not sure if thats the case or not.

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8/1/2017 12:27 AM

I'm getting an 18 TC250 some time this month, how common is this air fork failure? friend of mine has a 14 KXF450R and he's never checked the air pressures except from when I put new seals in them (nearly two years ago) but its never collapsed? I've never heard of any air forks collapsing, wouldn't a seal have to have a major failure for it to do that?

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8/1/2017 12:59 AM

IceMan446 wrote:

No work done on the air side. Was going to update to the 18 setup but didn't have the part in time.

I heard it could have been from running too low of a PSI in the beginning causing some sort of damage to the quad ring. Not sure if thats the case or not.

I am keen to hear more about this as I have been running 105psi in mine for flat track.

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8/1/2017 11:49 AM
Edited Date/Time: 8/1/2017 11:55 AM

Slosh 112 wrote:

I'm getting an 18 TC250 some time this month, how common is this air fork failure? friend of mine has a 14 KXF450R and he's never checked the air pressures except from when I put new seals in them (nearly two years ago) but its never collapsed? I've never heard of any air forks collapsing, wouldn't a seal have to have a major failure for it to do that?

So I shouldn't say collapse, It didn't go all the way down in the stroke being that there is a spring in one side to still hold the forks up.There are two chambers in the fork so the air gets around the seal and goes into another chamber, its not leaking out of the fork at all.

It went down about 5-6 inches in the travel, so roughly half way down. I know of two people besides myself who have had it happen. Don't think its common but it is happening.

The internal seal some how allows air by the seal and then it won't allow it to fully extend and get the air side back to where they bypass ports are so the fork essentially is stuck due to the pressure on each side of the seal and I couldn't get it to extend fully at all which made it difficult to get the wheel off.

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9/7/2017 12:16 PM

I flat landed a jump a month ago the 17 aer blew right through the stroke and blew my tricep Out . I am done with air forks . This never happened on any yamaha stuff or any other spring forks for that matter.

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9/7/2017 7:58 PM

My 17 forks were pretty good stock, had my set up revalved by Merge and it made them even better. No harshness at all, and Jim told me they mostly played with the shock.

I dont buy into the "air forks suck" atleast the AER. Jim mentioned he does a conversion for about 600 bucks.

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9/7/2017 9:59 PM

Race Tech puts in their own valve or gizmo or whatever with their revalve to head off the failure. $400 or so if you don't need bushings or seals.

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The older I get, the faster I was.

9/8/2017 9:36 AM

MX558 wrote:

I flat landed a jump a month ago the 17 aer blew right through the stroke and blew my tricep Out . I am done with air forks . This never happened on any yamaha stuff or any other spring forks for that matter.

Weird, My AER's have some of the best bottoming resistance of any fork I have ever tried. I am not overly happy with them in small chop though..

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Tomac and/or Anderson for 2020.....

9/8/2017 12:50 PM

MX558 wrote:

I flat landed a jump a month ago the 17 aer blew right through the stroke and blew my tricep Out . I am done with air forks . This never happened on any yamaha stuff or any other spring forks for that matter.

I have to agree with BobPA, weird.


I found that the bottoming resistance is class leading for stock forks, i felt like that was one of the best things with those forks.

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9/10/2017 8:15 AM

MX558 wrote:

I flat landed a jump a month ago the 17 aer blew right through the stroke and blew my tricep Out . I am done with air forks . This never happened on any yamaha stuff or any other spring forks for that matter.

Motofinne wrote:

I have to agree with BobPA, weird.


I found that the bottoming resistance is class leading for stock forks, i felt like that was one of the best things with those forks.

I thought so too until it happened . I just heard of another rider doing the same thing and breaking her back , she didn't crash either . I thought these forks were great until this happened. I've been ON yamaha stuff for years before the ktm .

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9/11/2017 7:39 PM

Talked to a suspension guy and he says the mid valve shims seem to wear out pretty quick and the aer s have no hydrolic bottoming system like the others so when the shims weaken too much your sol .

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9/11/2017 7:50 PM

MX558 wrote:

Talked to a suspension guy and he says the mid valve shims seem to wear out pretty quick and the aer s have no hydrolic bottoming system like the others so when the shims weaken too much your sol .

Does the suspension guy fit huck valves and new mid valve pistons?

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9/12/2017 9:06 AM

I didn't really ask about that as I'm laid up for 3 months because of this issue . If I buy another KTM I will have something in there for better bottoming resistance for sure .

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9/18/2017 10:41 AM

Huck Valve from Mx-Tech and be done. Basically it dramatically slows the rate of hydraulic flow in the last part of the stroke. It's amazing. What's the other great aspect about it is you can set your suspension up to handle the rough chop but still have great bottoming resistance.

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9/19/2017 8:45 PM

If I buy another KTM I'll be putting those in for sure but probably leaning 18 yammie 450

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