Question about 2006 KTM 125 SX

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How much fork oil do i put in ? at the moment the seals are grand but the forks are slapping badly

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Posted on Jan 02, 2017

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SOURCE: how to fill the front suspension on a ktm exc 2001

If you get the sevice manual or contact a dealer to get the correct oil amount for your bike, they need to know the model and year, you have to have the forks off the bike. take the fork caps off, take the springs out compress the upper fork tube all the way and add the specified oil. if they also give you the measured amount from the top that's the best way to get both fork oil levels exact. there is a special tool that you set the oil level in millimeters and it sucks out the oil to the right level, but before you do that step after adding the oil always pull and push on the cartage rod several times to remove air from the cartage tube. you will hear the air coming out and you will feel the changes in the cartage rod as the cartage tube fills up with oil and the air is removed.
something i'm confussed on though is if you replaced a seal you would have had to brake down the fork to replace it. you would have poored the oil into a container, cleaned all the internal parts,and used a fork seal driver to install the new seal. part of your question asks where do i put the oil in? thats in the open end of the fork after you have taken off the fork cap. It sounds to me like you only replaced the dust seal on one fork. that is not going to fix your leaking fork. you need to replace the oil seal thats pressed inside of the top fork tube.

Posted on Dec 26, 2008

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  • 101 Answers

SOURCE: fork oil

This is 1994 specific:

Oil = SS-8 10W
Amount = 15 ounces per fork leg (135mm down)
15 ounces or 460cc.

Posted on Dec 28, 2008

  • 6 Answers

SOURCE: front fork leaking oil from bottom of the seal.

This is one of the few things that I recommend you take to a shop - you need some very special tools and techniques to fix this problem. Sorry,
Kevin

Posted on Dec 30, 2008

  • 74 Answers

SOURCE: Fork oil level: 2006 KDX 200

This all depends on what size forks you have, but a good rule of thumb is 120ml. After that then what you want to do is to ride the bike and make adjustments to your front end until your liking.

Posted on Jan 16, 2009

  • 3567 Answers

SOURCE: 99 CBR 900 Front fork seals

If the seal has been cracked by the cold weather it should be replaced. For someone mechanicly inclined and with the proper tools this is not a hard job. For the novice it can be one of those times you could have sent it to the shop and spent less time and money, and gotten better results....
As to a seal conditioner, the seals today are generally made of synthetic material. No "conditioner" will work. If the seal is made of rubber you have a 90% chance that a product called 'MARVEL MYSTERY OIL' will solve the problem. This prouduct was created in 1917 and marketed in 1923. Google the product name for more hystory and uses today. Basicly, the oil causes rubber to swell. This tightens seals and thus fixes the problem. Most any good auto parts store has this stuff on the shelf. By the way, if the bike was purchased new, wouldn't this be a warranty repair?

Posted on Mar 11, 2009

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1 Answer

I have a 2003 Honda CR250r and recently replaced my fork seals and fork oil. I checked the manual and the oil level says 325-405 depending on stiffeness wanted. I went for 375 and now my forks are pretty...


Hi, Robinpereira my gut tells me you either your fork oil is too heavy or you put too much in. Drain the forks and measure what comes out if it;s way over specs adjust as necessary if it's exactly what you put in then replace 350cc and see how that works.
For more information about your question and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
2004 cr250r fork oil capacity
SHOWA FORK seal replacement CR 250 pt 1
SHOWA FORK seal replacement CR 250 PT 2
CR250 2002 2003 pdf
http://www.partsfish.com/page/oem-parts-for-honda
Honda CR250R Owner Manual Competition Handbook

Jun 03, 2017 | 2003 Honda CR 250 R

1 Answer

Front shock oil running all over


Unless you've had your front fork assembly serviced recently, I'd guess you've got blown oil seals in the top of the sliders on your forks. If someone serviced your forks lately, they may have put in too much oil and blown the seals. You'll have to drain the forks, disassemble the fork tube from the lower slider and replace the seal in each leaking tube. Refill the fork tube with the designated about of oil for a "dry" refill. Use this figure because the fork tube was disassembled. When you simply drain the forks without a disassembly, you cannot get all the oil out and the refill quantity is less.

Good Luck
Steve

Aug 06, 2011 | Harley Davidson FLSTC Heritage Softail...

1 Answer

Keep having leaking fork seals.have replaced seals and oil after every ride lately.(4)have tried two brands of seals last time disasembled whole of forks cleaned every part,shims everything and had...


G'day. A couple of suggestions-
Damage to the fork slider-chips or dings.
Too much oil in the fork on re-assembly can cause the seal to go.
Worn or loose fork bushes will flog the seal prematurely.
When you transport the bike-if you don't use a seal saver can pop the seals.

So let me help with these.

Be sure that the fork slider is not scored,dinged or damaged on th surface.

A good double check of the oil quantity is to ensure that when you have re-filled the tube with oil & primed it(worked the air out of it), the oil level should be 100 to 110 mm from the top of the leg to the oil with the fork fully compressed. If the level is less than this-drop it to 100mm.

To check the fork bushes-try pull on the front forks front to back(wobble) & feel for looseness in the bushes.

And finally-When you transport the bike-put a chock(I use an empty 5ltr oil container-but you can buy propper chocks from the bike shop) in-between the forks at top of the front wheel .
Now when you pull the front end down it will stop on the chock & stop the front forks being under excessive compression for extended periods-so it saves the fork springs from sacking out too.
I hope this proves helpfull.
Kind regards Andrew Porrelli

May 20, 2011 | Sherco 5.1i Motorcycles

1 Answer

I have had the same fork leak after being replaced two times,on my o1 rd king,whats the deal was that a bad year fork seals,leaking again.


First off, make sure you or whoever is doing the work is installing the correct seal in the proper direction. A seal put in backwards will leak like crazy. Also, make sure you're putting the correct amount of fork oil in once you get finished. There are usually two different quantities of oil listed. One is a "WET" quantity that you add when you simply drain the tubes and refill them. The other is a "DRY" quantity that you put in whenever you disassemble the tubes. I usually use 30 wt. fork oil. You shouldn't be having a problem unless you have something really bad wrong. The fork tube must be sized to fit the bushings inside the lower fork tube (slider) so the seals should work.

Good Luck
Steve

Apr 19, 2011 | 2001 Harley Davidson FLHR - FLHRCI Road...

1 Answer

If feels like a pogo stick sometimes and also wants the front end to wash out too and on the front forks i have a oil leak


Your front fork seal are bad and need to be replaced.
When you loose fork oil, your loosing suspension dampening and only riding on the springs.(POGO)

Replace both front fork seals and dust caps, and put same amount of fork fluid in both forks.

I bought my seals and caps for $30 on ebay, and then took my forks off my bike and took them to a shop and they charged me $75 to do the job.

You can take them the whole bike and they will charge $100 - $150 including parts to do the job.

Dec 12, 2010 | Yamaha YZ 250 Motorcycles

1 Answer

Volume of fork oil needed per fork for a 1986 VF 400 nc 13


Well, when you take off the fork make sure you empty it first before anything else then make sure that the fork pressure spring is released before changing the seals. The fork oil amount should be no more than 200 cc or no less than 190 cc

Jun 24, 2010 | 1986 Honda VF 400 F

1 Answer

Can you tell me how much oil to put in an en500 forks please, Andy


If you never have put for oil into a set of forks, yes you have to check both forks. I would suggest treading lightly. If you have time and a place to block the bike as well as a manual you can do it.
Are you adding oil because the seals are leaking or do you have excessive stiction in the fork? If the seals are leaking, you will have to pull the forks and add new seal and put in exactly the right amount oil.
Do you have air seat or is it a closed fork?
For you en500 you should have a volume of oil in your service manual.

Aug 17, 2009 | 2005 kawasaki EN 500 Vulcan

1 Answer

How do i dismantle front forks to replace the oil seals


You just needed to.... remove front wheel, support bike on something, undo retaining bolts on forks, tap out fork legs from the top, using a soft mallet. Take out fork seals with a seal pick, (halfords) Replace old seal with new seals, in reverse order) sliding over the fork leg, tapping into place. Then put replace forks etc in reverse order (from dissassembly). Hope this helps

Feb 21, 2009 | 1992 Honda CB 750F2 Seven Fifty

1 Answer

How to fix a leaking fork


hi there ,, if u have taken the forks out ready ,,then u already have an idea wots wot ,, wen u put the new seals on ,, be sure to well oil the seals be putting on to the fork leg,, oil up the fork leg aswell ,, with any oil to hand,, or the seal will pinch or stick as u work your way down the fork tube ,, wot i do to seat the seal in to the bottom part of the leg is use a piece of drainage plastic pipe the same diameter,,,ie, like u see on sinks and washin machines,, the white pipe, use this to push the seal down,, to be able to put on the circlip to hold them in, ,,ive known people to use a hammer and screw driver, to push seal in to its seated postion and marked the fork leg,,and put pits in the leg,, so the seal pops straight away,, avoid the hammer,, cheers,,

Jan 15, 2009 | 2005 kawasaki EN 500 Vulcan

2 Answers

How to fill the front suspension on a ktm exc 2001


If you get the sevice manual or contact a dealer to get the correct oil amount for your bike, they need to know the model and year, you have to have the forks off the bike. take the fork caps off, take the springs out compress the upper fork tube all the way and add the specified oil. if they also give you the measured amount from the top that's the best way to get both fork oil levels exact. there is a special tool that you set the oil level in millimeters and it sucks out the oil to the right level, but before you do that step after adding the oil always pull and push on the cartage rod several times to remove air from the cartage tube. you will hear the air coming out and you will feel the changes in the cartage rod as the cartage tube fills up with oil and the air is removed.
something i'm confussed on though is if you replaced a seal you would have had to brake down the fork to replace it. you would have poored the oil into a container, cleaned all the internal parts,and used a fork seal driver to install the new seal. part of your question asks where do i put the oil in? thats in the open end of the fork after you have taken off the fork cap. It sounds to me like you only replaced the dust seal on one fork. that is not going to fix your leaking fork. you need to replace the oil seal thats pressed inside of the top fork tube.

Dec 01, 2008 | 2008 KTM 200 EXC

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