Question about 2004 Yamaha XT 660 X

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I Want to replace front fork seals on my 2004 Yam XT660X and need to know Fluid and Quantity used. Are there any manuals available for this model. I have replaced seals on some of my previous bikes.

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If you want to replace them for maintainence ok.If its for a leak ,try this.Get some camera film negative.Usually in the pack of photos.Cut the notches off the side and cut one end at 45%.Slide it up into the fork seal.Now,with a sawing motion ,move it up and down and at the same time,work it around the seal.Any grit that is causing the leak will be felt.When grit is felt,pull it out,clean it and start again.It may take a few times but it works.A lot cheaper than seals all the time.Hope this helps

Posted on Feb 02, 2010

Testimonial: " Sorry for delay getting back only realised my error when submiting Honda problem Your suggestion re Negative worked fine.Thanks"

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Just about any manual you need can be found at Haynes.com. Even older bikes.

Posted on Feb 02, 2010

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1 Answer

HOW MUCH OIL IN THE FRONT FORKS OF XT660X


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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May 12, 2012 | 2004 Yamaha XT 660 R

1 Answer

2004 Yamaha xt660x fork oil capacity


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
https://www.louis.eu/rund-ums-motorrad/bike-datenbank/yamaha-xt-660-x/dm011/1176
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Jan 31, 2012 | 2004 Yamaha XT 660 X

1 Answer

I have a 2002 flstc , just replaced the " fork seals ", still leaking on left side. i was told to replace " oil seals " under the " slide tube cap " and spacer. will this...


Well, yes. The fork seals are located at the top of the fork slider un the "slide tube cap". This makes me wonder exactly what did you replace when you say that you just replaced the "fork seals". To get to these oil seals, you have to disassemble the forks tubes. Remove the front wheel and fenders. Down where you took the axle out, look up into the end of the slider and you'll see a socket head bolt, 6mm. Loosen this bolt before you take the tube out of the triple tree. Remove and repair one tube at the time. When you get the slider off the top tube, you will see a retainer ring in the top of the slider. The seal is under this ring. The new oil seals must be replace squarely in the tube. When you reassemble the tube and put it back in the triple tree, there is a specific amount of fork oil that must be added to each tube to properly refill it. You must use the "dry" quantity when refilling the fork tube because you disassembled and completely drained the tube. I'm sorry but I don't have this quantity of fork oil for this late of a model bike. I work on the earlier model bikes only.

good luck
steve

Jul 19, 2011 | 2000 Harley Davidson FLSTC Heritage...

1 Answer

My 2002 fxd front forks are soft and come close to bottoming out. Does the fluid need to be changed? if so how and how much?


Yes your fluid may need to be changed if you want a more firm front end. I don't know what type of fluid you have in the forks now but what you need to do is to go with a thicker oil. In my '94 FXDWG, I went to PJ1 30 weight oil. Since I don't have a book on your late model bike, I can't tell you how much oil to put into each tube. There is a "wet" and a "dry" quantity to add when you've drained them. If you simply drain the oil and refill the fork tubes, use the "wet" quantity of oil. If you disassemble and clean the tubes out, use the "dry" quantity when you refill.

To drain the oil, look on the trailing side of the fork sliders. You'll see a screw or a set screw in the slider. Take this plug out and some of the oil will simply flow out. To get all of it out, hold the front brake and push down on the handlebars. Now, oil will spray everywhere so don't do this job in your living room. Once you get the oil out of both tubes, reinstall the plugs and refill the tubes one at the time by removing the top cap out of the tube and pouring the prescribed amount of oil into each fork tube. Ride the bike and see if the front suspension is too soft, too firm, or just right. Remember, the heavier the viscosity of the oil, the more firm the front suspension is. If you can't get it right, you might want to consider changing the springs in the fork tubes.

Good Luck
Steve

May 04, 2011 | 2002 Harley Davidson FXD Dyna Super Glide

1 Answer

My front fork o-ring seal is leaking, how do I


There is a seal in the "slider" of the front fork, the part that moves up and down. I haven't had a chance to work on the later forks but the earlier 41mm forks are quite simple.

Start by taking the drain plug out of the bottom of the slider and work the slider up and down to blow out all the oil. Then, remove the front wheel. Remove the top cap from the upper tube and loosen the top plug. Now, with the top plug loose, loosen the pinch bolts and slide the fork out of the triple trees. Remove the top plug carefully, There is a BIG spring in there. Once you have the plug out lift the spring out and set it asside. Notice the tapered end of the spring. It goes back in first. Turn fork tube upside down and allow as much oil to drain out as possible.

Now, look at the bottom of the slider where the axle goes. Up in a hole there is an allen head bolt. it is designed to use a special wrench but a regular 8mm allen key in GOOD shape will take the bolt out. It's best to use an air wrench to do this with. With the bolt out, the slider should slide right off.

Down inside the top part of the slider is where the seal is. Theres a snap ring, a spacer, and a seal. Replace the seal and put a little oil on it to assist reassembly. Put everything thing back together and add the appropiate about of oil. Since your forks are much larger than mine, I have no specs as to the quantity. The owners manual should tell you or a call to a local Harley dealer. Sorry but thats a good as I can do. There is a "wet" measurement and a "dry" measurement. Since you disassembled your fork, use the "dry" quantity of oil

Apr 19, 2010 | 2005 Harley Davidson FXDWG - FXDWGI Dyna...

2 Answers

I am replacing my OEM lower fork sliders with Chrome ones. How much fork oil is required and do I need to replace the seals or anything else? My bike is a 2005 Softail Deluxe.


The best way to do this is to get a clean containe and carefully drain the fork oil into it and measure how much came out nad replace the same amount.
I use a measuring cup from an automotive paint store.
Your old seals should be good but give them a good visual check first.

Nov 06, 2009 | 2005 Harley Davidson FLSTN- FLSTNI Softail...

1 Answer

Front forks will not seal


dissassemble forks and replace fork seals.(and oil) becareful forks are under a lot of spring pressue. use a workbench vise to hold fork tubes. you will need the manual for this. plus you will need to know the "proper" amount of fluid to put back into the forks.

Oct 05, 2009 | 2001 Yamaha WR 426 F

1 Answer

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I have a 1982 CB750C the manual says the quantity is the same for all bike before 1982 it says 6 ounces for the air assist fork models. this is from a clymer manual i recently bought. Highly recommend getting one

Jun 27, 2009 | 1983 Honda GL 1100 Aspencade Gold Wing

1 Answer

Front fork leaking oil from bottom of the seal.


change the oil seals and oil in the fork,and avoid wheelies on the bike and off road biking 

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4 Answers

Need front fork oil capacity 1996 triumph trdent 900


You need at least .5 liter of oil on each fork.

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