Question about 2004 Harley Davidson FLSTC - FLSTCI Heritage Softail Classic

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Repairing flstc fork seals

Disassembling and assembling

Posted by Anonymous on

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  • Harley Davidson Master
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Hi Anonymous, for more information about your question please visit the website below. Good luck and have nice day.
Delboy Garage How To replace regular type fork seals

Posted on Jun 09, 2015

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Posted on Jan 02, 2017

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SOURCE: harley davidson flstc heritage softail 1997

The fork oil is a very specific job needing a manual and a special tool, I don't want to insult anyones mechanical knowledge but if you have never done it before, best to take somewhere else. Engine oil on the other hand is easy, the drain tube to any softail is on the right side by where the frame meets the swing arm, has somekind of plug in it. Start and run bike for a little while, long enough to get it warm but not hot. Remove fill plug and then remove plug in drain line. Using a peice of cardboard or something put in between filter and frame , directing the oil to your drain pan instead of where ever it goes. Put 1 qt oil back in (after everything is reinstalled) start the bike and make sure the oil light goes out, when it does shut bike off and fill to the point that when it is standing upright you get a little oil on the tip of your finger, over filling may result in loss of oil cap from pressure (been there)

Posted on Feb 16, 2010

wd4ity
  • 4565 Answers

SOURCE: 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

Posted on Apr 19, 2010

wd4ity
  • 4565 Answers

SOURCE: i have a 2002 flstc

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

Posted on Jul 19, 2011

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How to replace fork seals 2007 fatboy


To replace the front fork oil first support the motorcycle so the front end is off the floor and the forks are fully extended. Remember that the FLSTC and FLSTF models have a preloaded fork spring and that the fork tube plug is under spring pressure.Then you remove the fork tube caps. And then you drain the fork oil. ON FXSTD models, your remove the drain screws and washers from each fork and drain the fork oil this way. ON ALL MODELS EXCEPT the FXSTD, remove and discard the drain screws and washers from each fork and drain the fork oil and then you install new drain screws and washers. ON FXSTD models, apply LOCTITE THREADLOCKER 243 (blue) to the drain screws and tighten them to 12-18 inlbs (1.4-2.0 Nm). ON ALL MODELS EXCEPT FXSTD, tighten the drain screws to 52-78 in-lbs (5.9-8.9 Nm).THEN fill the fork with Harley-Davidson TYPE E FORK OIL (Part No. HD-99884-80).Either by installing oz or cc's of fluid if the forks were left in the frame or by measuring the amount of oil in the tubes in inches or mm if the forks were removed from the frame and disassembled. In the latter case the oil level is measured from the top of the fork tube with the spring removed and the fork fully compressed.

MODELs FLSTC, FLSTN use 13.4 OZ 395 cc4.41 inches 112.0 mm
MODEL FLSTF uses 13.4 OZ 397 cc5.04 inches128.0 mm
MODELs FXST, FXSTB, FXSTC use 12.5 OZ370 cc 6.69 inches170.0 mm
MODEL FXSTD uses 11.6 OZ343 cc 7.48 inches190.0 mm

FINALLY tighten the fork tube caps to 40-60 ft-lbs (54.2-81.3 Nm).

Jul 10, 2014 | 1993 Harley Davidson FLSTF Fat boy

1 Answer

Change fork oil street bob 2007


To change the oil or to rebuild a 2007 DYNA front fork FIRST raise and support the motorcycle so that the front end is off the floor and the forks are fully extended, remove the brake caliper and the front wheel, remove the front fender, loosen the pinch bolt screws, do not remove the tube caps, slide the fork sides downward clear of the fork brackets, repeat the procedure for the opposite fork tube and slider assembly.

To disassemble a 2007 DYNA front fork clamp the fork tube and slider assembly in a fork tube holder tool mounted horizontally in a vise, use a 12mm Allen wrench is needed to loosen but do not remove the seat pipe screw, while the internal components are still under tension and less prone to rotate, on the right fork tube and slider assembly, remove the axle holder to access the seat pipe screw, remove the fork tube cap and its o-ring, remove the long spring collar, remove the fork assembly from the fork tube holder tool and invert it over a suitable container to catch the fork oil and allowing thefork to drain, extend and retract the slider several times to push oil out of the internal fork components, the washer, and the spring will fall out of fork tube. THEN clamp the fork tube in the fork tube holder tool, remove the slider cover from the slider by inserting a brass drift into the notch in the slider and lightly tapping the cover loose, compress the stopper ring and remove the stopper ring from the groove in the top of the slider bore, Do not remove slider tube caps without relieving the spring preload or the caps and springs may fly out. THEN remove the seat pipe screw and its washer from the bottom of the slider and retain them for reuse, withdraw the slider from the fork tube until the bushing guide contacts the bushing on the fork tube (the bushing guide is a slight interference fit in the slider), then using the slider as a slide hammer, hit the bushing with the bushing guide with a quick continuous stroke until the slider is pulled free from the fork tube, drain the slider and allow the stop oil lock piece to fall free. (If you are only changing the oil or replacing the slider the remaining parts can be left assembled and the fork re-assembled) If it is still attached to the seat pipe remove the stop oil lock piece from the lower end of the seat pipe, remove the seat pipe piston and the ring assembly, remove the rebound spring, remove the oil seal, remove the seal spacer, and remove the bushing guide. Repeat the foregoing procedure for the opposite fork tube and slider assembly.

Thoroughly clean and inspect each part and if and as necessary replace any corroded, worn, bent, broken or otherwise damaged parts, inspect the fork tube bushing and the slider guide bushing and replace if and as required, always replace all oil seals and all o-rings, check the dust cover where it rubs on the fork tube (it should have a good and continuous seal and not show excessive wear, check the fork tube where it rubs on dust the cover and the tube should show a bright, shiny surface, free of scoring or abrasions, if any spring(s) is/are broken they must be replaced, if a fork tube or slider is bent or damaged it must also be replaced now, replace all other worn or damaged components if and as necessary.

To assemble a 2007 DYNA fork FIRST insert the seat pipe assembly with the spring into the slider tube, slide the bushing guide down to the bushing on the fork tube, follow it with the spacer, the oil seal, the stopper ring, the dust shield and the slider cover, install the fork tube into the fork tube holder tool, fit the lower stop onto the seat pipe, slide the seat pipe back into the fork tube until the seat pipe is centered in the tube, gently install the slider assembly onto the slider tube and the bushing, thread the seat pipe screw and washer into the seat pipe through the bottom of the slider assembly, draw the fastener into the seat pipe but do not tighten it at this time, verify the proper action of the fork by moving the slider up and down the fork tube, locate the appropriate fork seal driver over the fork tube in front of the oil seal with the fork seal chamfered lips facing the oil in the fork, in the following order assemble thetop oil seal, the spacer and the bushing guide into the slider bore, install the stopper ring into its groove above the oil seal, push the dust seal against the oil seal and stopper ring, rotate the slider cover to match any removal burrs to the notch in the slider and snap the slider cover into place. THEN operate the slider through its full range of travel several times to verify alignment and proper smooth operation, then pulling down on the slide to apply downward force on the rebound spring, tighten the seat pipe screw to 106-159 in-lbs (12-18 Nm), vertically re-position the fork tube into the fork tube holder tool and with the slider tube compressed, fill the fork with Harley-Davidson TYPE E FORK OIL until it is approximately the amount specified below for the type or motorcycle and fork that it is.

a. FXDWG- approximately 29.6 oz (875 cc) and distance from the top of the fork tube = 4.4 in (112 mm); and
b. All other Dyna models- approximately 26.6 oz (787 cc) and distance from the top of the fork tube = 4.3 in (110 mm)
THEN slowly pump the slider 8 to 10 times to remove air from the fork assembly and fully compress the slider to properly measure the oil level which is measured from the top of the fork tube, with the spacer and the spring removed and the fork fully compressed, then using an appropriate oil level gauge tool adjust the oil level to appropriate level for the fork type and model, pull out the slider and install the spring in the fork tube with the tightly wound end at the bottom, install the washer and the spring collar, carefully to avoid cross threading, install the fork tube cap with a new o-ring and tighten it to 16-43 ft-lbs (22-58 Nm). Repeat the process for the other fork tube and slider assembly.

To install the fork in a 2007 DYNA FIRST insert the fork tube and the slider assemblies up through the lower triple clamp and the upper triple clamp so that the fork tubes will protrude above the upper triple clamp 0.450-0.500 in. (11.4-12.7 mm) with the measurement taken at the midpoint of the fork tube between the top surface of the triple clamp and the top of the fork cap and when properly positioned tighten the pinch bolts to 30-35 ft-lbs (41- 48 Nm), install the front fender and bracket, install the front brake caliper(s), install the front wheel and align the wheel to the forks.

May 11, 2014 | 2006 Harley Davidson FXDBI Street Bob

1 Answer

Front end fork seal disassembly


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 $10 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.
YZF600R Forums View topic Fork Seal Replacement How Tough
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Yamaha YZF600 YZF600R 1994 2007 Service Repair Manual PDF Download Manuals...
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Feb 16, 2014 | Yamaha YZF 600 R thunder cat Motorcycles

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

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

Oil spot when bike is parked for a while around front forkes


this isnt to big of a problem, theres an old saying about harleys, they always mark their territory. now as for the oil spot around your forks, its more than likely a bad seal on one or both of the forks allowing a bit of fork fluid to leak out.

while you can purchase the seals for less than $20 i would recomend taking it to a qualified motorcycle repair technician, do to the specialized tools involved, hope i was able to help!

Apr 19, 2011 | Harley Davidson FLSTC Heritage Softail...

1 Answer

WHY DOES ALL THE FORKOIL LEAK OUT THE UPPER SECTION AND CAUSING THE FRONT END TO BOTTOM OUT


what you have here is a bad seal. the only thing that holds all that oil back is a rubber double lip seal. If the" slider " or fork tube has dried bugs rock chips, rust, on it in the travel of that rubber seal it can cut it and cause it to leak. you'll need to rebuild your forks with new seals.
Good luck
Mark

Apr 18, 2010 | 2000 Harley Davidson FLSTC Heritage...

1 Answer

Change fork oil


How do i change fork oil (or) service the fork ? That means disassemble and assemble after service.

Jan 08, 2010 | 2006 Bajaj Pulsar 180

1 Answer

Replaceing frt fork seal 95 H D softtail


Specs for a FXSTC is 10.2 oz

for FLSTC its 11.5 oz

For your year bike use heavy duty fork oil

Jan 18, 2009 | Harley Davidson Harley-Davidson Motorcycle...

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