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Author Topic: Need fork seal replacement instructions / vids  (Read 3872 times)

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Offline eprovenzano

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Need fork seal replacement instructions / vids
« on: July 31, 2012, 07:04:46 PM »
The fork seals on my Katoom need replaced.  I noticed some fluid on the floor, and traced it back to the forks.  Does anyone have good concise instructions or instructional vids on changing fork seals.

Thanks
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
Eric Provenzano
2019 KTM 300 XCW TPI
2000 KTM 300 EXC (Son's)
2001 KTM 380 EXC
Sold 1991 KDX 200... fun play bike
Sold 1999 KX250
Sold 1999 YZ125 (son's)
Sold 2001 Yamaha TTL 125 (son's 1st bike)
Sold but never forgotten 1974 Honda Elsinore CR250M
Sold 1974 Honda Elsinore CR125

Offline beaner

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Need fork seal replacement instructions / vids
« Reply #1 on: July 31, 2012, 08:05:15 PM »
There are lot's of good how to vids on youtube.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline SachsGS

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Need fork seal replacement instructions / vids
« Reply #2 on: August 01, 2012, 12:26:01 AM »
KTM has always had good service manuals.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline Coop

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Need fork seal replacement instructions / vids
« Reply #3 on: August 01, 2012, 08:11:02 PM »
Some of the tools he lists can be "manufactured" on your own to save money. I pretty much always use PVC for make shift drivers. I use a zip lock or saran wrap over the forks to protect the new seals, stuff like that.

Part 1:

Part2:

Part3:
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline cnrcpla

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Need fork seal replacement instructions / vids
« Reply #4 on: August 01, 2012, 08:29:22 PM »
My fork seals started leaking, but I cleaned the dust seal on both sides and it stopped. Should I be looking to replace the fork seals or...? Also, is there any way to check the fork oil level or at all?

Sorry, I didn't mean to rob your thread, I just didn't want to start a whole new one for the same thing  ;D
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline TotalNZ

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Need fork seal replacement instructions / vids
« Reply #5 on: August 02, 2012, 06:32:19 AM »
Get yourself a forkseal driver before you even try it, you can do it with a punch but it's difficult time consuming and risky.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline eprovenzano

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Need fork seal replacement instructions / vids
« Reply #6 on: August 02, 2012, 01:52:02 PM »
I'm with Coop on this one, I was looking at making a seal driver from some PVC pipe.  No I would never use a punch to drive the seals.  If I tried, I can guarantee I would nick / ding the fork leg.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
Eric Provenzano
2019 KTM 300 XCW TPI
2000 KTM 300 EXC (Son's)
2001 KTM 380 EXC
Sold 1991 KDX 200... fun play bike
Sold 1999 KX250
Sold 1999 YZ125 (son's)
Sold 2001 Yamaha TTL 125 (son's 1st bike)
Sold but never forgotten 1974 Honda Elsinore CR250M
Sold 1974 Honda Elsinore CR125

Offline arnego2

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Need fork seal replacement instructions / vids
« Reply #7 on: August 02, 2012, 02:42:55 PM »
IMO most of all times the forkseal is dirty and with a business card you can clean the seal quite easily.
Take the dust seal down, and push the business card between the seal and the  fork leg, go around there once or twice till clean oil drops out.

You could refill the forks but preferible is a complete oil change. I prefer atf, I change fork oil every 40 hours.

Get some seal safers mount those and forget about dirty seals.  ;)
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline eprovenzano

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Need fork seal replacement instructions / vids
« Reply #8 on: August 06, 2012, 01:43:09 PM »
IMO most of all times the forkseal is dirty and with a business card you can clean the seal quite easily.
Take the dust seal down, and push the business card between the seal and the  fork leg, go around there once or twice till clean oil drops out.

You could refill the forks but preferible is a complete oil change. I prefer atf, I change fork oil every 40 hours.

Get some seal safers mount those and forget about dirty seals.  ;)

I've had the bike for 4 years, and have never changed the fork oil, or serviced the forks.  So with that in mind, I know I'm past due for maint.  After watching mand vids, I'm comfortable with everything I need to do except making sure I have the proper oil level in the forks.  I just need to do some more research before I pull the forks.

cnrcpla please don't worry about "robbing" this thread, you have a good question...  one I am trying to wrap my mind around as well.  I just need to do a little more research. 
 
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
Eric Provenzano
2019 KTM 300 XCW TPI
2000 KTM 300 EXC (Son's)
2001 KTM 380 EXC
Sold 1991 KDX 200... fun play bike
Sold 1999 KX250
Sold 1999 YZ125 (son's)
Sold 2001 Yamaha TTL 125 (son's 1st bike)
Sold but never forgotten 1974 Honda Elsinore CR250M
Sold 1974 Honda Elsinore CR125

Offline SachsGS

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Need fork seal replacement instructions / vids
« Reply #9 on: August 06, 2012, 03:27:24 PM »
You might want to check the fork itself for wear.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline cnrcpla

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Need fork seal replacement instructions / vids
« Reply #10 on: August 07, 2012, 02:31:57 AM »
Quote
cnrcpla please don't worry about "robbing" this thread, you have a good question...  one I am trying to wrap my mind around as well.  I just need to do a little more research
Thanks man   ;D I re-searched it a little, and for my fork (not sure if its different for yours or not) I have to take the fork off the bike and stand it up level, put a piece of something like a dipstick down into the oil and see where it measures. Apparently from what I got, my fork oil is supposed to be 5-6 inches from the top. I am considering doing an oil change after watching those videos, can't hurt at all to set it up with new oil at proper levels. Good luck with your fork seals  :)
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline TotalNZ

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Need fork seal replacement instructions / vids
« Reply #11 on: August 07, 2012, 06:41:32 AM »
Quote
cnrcpla please don't worry about "robbing" this thread, you have a good question...  one I am trying to wrap my mind around as well.  I just need to do a little more research
Thanks man   ;D I re-searched it a little, and for my fork (not sure if its different for yours or not) I have to take the fork off the bike and stand it up level, put a piece of something like a dipstick down into the oil and see where it measures. Apparently from what I got, my fork oil is supposed to be 5-6 inches from the top. I am considering doing an oil change after watching those videos, can't hurt at all to set it up with new oil at proper levels. Good luck with your fork seals  :)
A workshop manual is so handy in these situations, on my CR you need to remove the spring first before you set the level.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline arnego2

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Need fork seal replacement instructions / vids
« Reply #12 on: August 07, 2012, 03:24:30 PM »
I've had the bike for 4 years, and have never changed the fork oil, or serviced the forks.

Wow 4 years, that is overdue I do mine once every 2 or 3 months. 40 to 50 hours of riding actually.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »

Offline eprovenzano

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Need fork seal replacement instructions / vids
« Reply #13 on: August 08, 2012, 01:39:10 PM »
I've had the bike for 4 years, and have never changed the fork oil, or serviced the forks.

Wow 4 years, that is overdue I do mine once every 2 or 3 months. 40 to 50 hours of riding actually.
You have to take into consideration with my work schedule, (I'm a consultant, so I'm on the road usually 5 days a week), and then trying to maintain the house, cars, bikes etc, plus keep momma happy, riding time is limited...  but no matter what, I'm way over due   :( 
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
Eric Provenzano
2019 KTM 300 XCW TPI
2000 KTM 300 EXC (Son's)
2001 KTM 380 EXC
Sold 1991 KDX 200... fun play bike
Sold 1999 KX250
Sold 1999 YZ125 (son's)
Sold 2001 Yamaha TTL 125 (son's 1st bike)
Sold but never forgotten 1974 Honda Elsinore CR250M
Sold 1974 Honda Elsinore CR125