Fork Seals (EZ Install) | Honda CB450 / CB500 / CB550
Fork Seals (EZ Install) | Honda CB450 / CB500 / CB550

Fork Seals (EZ Install) | Honda CB450 / CB500 / CB550

Your Price: $30.00
Select Size
CMC Part Number:U8450
  • Qty:Sold in Pairs
  • Replaces OEM Part:91255-KBH-003, 91255-MA6-013, 91255-300-025, 91255-300-033, 91255-KBH-003, 1255-KBH-003, 91255-KBH-003, 91255-292-003, 91255-300-013

Select Size:
35 mm x 46 mm | CB450 K1-K3* / CL450 K1-K4 / CB750K0 (#8015)
35 mm x 48 mm | CB450 K3*-K7 / CL450 K5&K6 (#8009)
35 mm x 48 mm | CB500T / CB500K / CB550 / CB750 / SL350K2 (#8009)

Part: Honda CB450 / CB500T / CB500K / CB550K / CB550F / CB750K / CB750F / CB750A Fork Seals: EZ Install - Sold in Pairs

Why You Need This Part: Fork seals replacement is the key to a proper fork rebuild; however, standard style fork seals can be tough to install on your Honda CB450 / CB500 / CB550. Do not worry though we are here to help! Our EZ install fork seals make this daunting task much simpler. No special tools or drivers are necessary and fork seals can even be installed with the fork tubes still in the triple tree. This is particularly beneficial in case you are working on your Honda CB450 / CL350 / CB500 / CB550 in a place without workbench access (like in the driveway or on the streets - yes, we have done it ourselves). The EZ install fork seals are made in the USA and carry a lifetime warranty. One kit per bike. Finish your fork rebuild with some dust boots, or fork gaiters and our tapered roller steering bearing your front suspension and steering will be better than new.

Note: CB450 and CL450 models used various fork designs during their production run. Make sure to pick the proper seal size for your model. If in doubt contact us for help.

  • CB450 K1-K3* / CL450 K1-K4 use 35mm x 46mm seals
  • CB750K0 use 35mm x 46mm seals
  • CB450 K3*-K7 / CL450 K5-K6 / CB500T use 35mm x 48mm seals
  • CB500 A-K2 / CB550K / CB550F use 35mm x 48mm seals
  • SL350 K2 use 35mm x 48mm seals
  • Remaining CB750K / CB750F / CB750A use 35mm x 48mm seals

*CB450K3 models had a fork change mid production, the outer diameter of the seal must be measured to ensure the correct size is ordered.

CB/CL450 K0: You can find your seals here.

Installation Tip: Lubricate the seals with fork oil during installation. Factory spec on the fork oil varies on model, see list below. ATF (Automatic Transmission Fluid) is the factory specification for fork oil which is approximately 5W. We recommend a motorcycle specific fork oil: 10W (under 200 lbs rider) to 15W (200+ lbs rider) motorcycle. By using a heavier weight fork oil the front end of your bike well be will firmed up for better handling.

Fork Oil Capacity:

  • CB450 / CL450 K1-K2: 290CC / 9.8 Oz. per leg
  • CB450 / CL450 K3-K4: 225CC / 7.6 Oz. per leg
  • CB450 K5 / CL450 K5-K6: 160cc / 5.4 Oz. per leg
  • CB450 K6-K7: 140cc / 4.7 Oz. per leg
  • CB500T: 140cc / 4.7 Oz. per leg
  • CB500K: 170cc / 5.75 Oz. per leg
  • CB550K& F: 190cc / 6.4 Oz. per leg

Installation Guides: Honda used two different fork architectures between the various families of CB450 / CB500T / CB500K / CB550 motorcycles. Refer to our full installation guides below for step-by-step instructions to rebuild the forks on your specific motorcycle.

This Fork Seal Fits These Honda Motorcycles
5 Stars
The parts arrived in record time in spite of the hurricane Harvey that hit the Houston area. Brandon was very helpful in helping me determine the correct parts for my1972 Honda 350SL K2 restoration. My project bike is totally disassembled at this juncture so I haven't yet installed the fork seals I purchased yet but I can tell they are high quality and will match perfectly to the forks. -Gary
Did you find this helpful?  2 of 3 Found Helpful
Reviewed by: (Verified Buyer)  from Las Vegas. on 9/28/2017
5 Stars
Easy job
Just installed EZ seals. Simple job and they seem to work well.
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by: (Verified Buyer)  from Warren. on 9/15/2018
5 Stars
Like others have said before - very easy to install and work great. Simple design works the best!
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by: (Verified Buyer)  from Los Angeles. on 8/9/2021
5 Stars
Owner Stender Cycle Service
I ordered these on a Thursday late afternoon and they arrived the next Monday-very fast service. I installed them on a 1974 CL450, super easy to install. Save your factory circlips because theses seals only include the rubber seal and aluminum flat washer, you will re-use the factory circlips or get new one somewhere else. So, fast service, easy installation. But don’t know how they’ll perform over the long haul.
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Reviewed by: (Verified Buyer)  from Wisconsin. on 9/26/2018
5 Stars
Motorcycle enthusiast
Easy install, easier than OEM seals. Uick shipper, too!
Did you find this helpful? 
Reviewed by: (Verified Buyer)  from Florida. on 1/14/2018

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