Question about 2006 Harley Davidson FXDBI Street Bob

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Change fork oil street bob 2007 - 2006 Harley Davidson FXDBI Street Bob

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  • Harley Davidson Master
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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.

Posted on Oct 14, 2014

5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

OneRide
  • 379 Answers

SOURCE: 07 harley street bob. front fork seal leaking

Not very common, but I don't see how the seal could scratch the tube. There are a few millimeters of clearance between the tube and metal part of the seal. The rubber seal rubs the tube and is bonded to the metal ring. Either the tube was scratched during assembly or the seal was BADLY dented somehow. Further, the tube is hard chromed and the seal metal is soft steel. Go figure!

Posted on Oct 10, 2009

  • 109 Answers

SOURCE: Forks rebuilt, oil leaks.

Just a thought.Aren't late model sportster forks,on the 1200"s,49mm?Check that manual to see if the procedure is the same.If not then guess which one is right.Don't know bout late models but the early mm lower sliders had a fiber washer that could get damaged if the last assembly bolt,allen head,wasn't put in just right.Good luck.

Posted on Mar 28, 2010

wd4ity
  • 4565 Answers

SOURCE: 2007 Harley Davidson FXSTB. Changing fork

I'm sorry but I don't have that information on the newer bikes. I specialize in the older bikes that the dealers will no long work on. You can call the service department of any local dealer and they should tell you how much oil goes in it. Ask for the "wet" quantity. This is the amount of oil you add when you simply drain and refill the fork tubes. If you disassemble the fork tubes, you need to add the "dry" quantity of oil.

Good Luck
Steve

Posted on Aug 28, 2011

bazzz7071
  • 338 Answers

SOURCE: where can i find a free online repair manual for my 2007 dyna lowrider

I don't know if this will help but give it a try here is the link.

http://www.carlsalter.com/harley-service-manuals.asp

Posted on Nov 03, 2012

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Just a thought.Aren't late model sportster forks,on the 1200"s,49mm?Check that manual to see if the procedure is the same.If not then guess which one is right.Don't know bout late models but the early mm lower sliders had a fiber washer that could get damaged if the last assembly bolt,allen head,wasn't put in just right.Good luck.

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