135mm (80-150)
To change the front fork seals on a Harley FXR, first, remove the front wheel and brake calipers, then detach the fork tubes from the triple tree. Next, drain the old fork oil and remove the top caps to access the fork assemblies. Carefully pull out the old seals using a seal puller or a similar tool, then install the new seals and reassemble the forks by reversing the disassembly steps, ensuring to fill with the appropriate fork oil. Finally, reattach the forks to the bike, ensuring everything is properly torqued to specifications.
To change the fork seals on a Suzuki Bandit 1200, start by removing the front wheel and brake calipers, then detach the forks from the bike. Use a fork seal driver tool to carefully remove the old seals and clean the fork tubes. Install the new seals, ensuring they are seated correctly, then reassemble the forks with fresh oil. Finally, reinstall the forks onto the bike, reattach the wheel, and ensure everything is tightened to the manufacturer’s specifications.
see http://onmyhonor.com/wing/fork.htm
To change the fork seals on a 650 V-Star, start by removing the front wheel, brake calipers, and fender. Next, loosen the top fork caps and remove the forks from the triple trees. Drain the old oil, then disassemble the forks to access the seals; replace the old seals with new ones, reassemble the forks, refill with fresh fork oil, and re-install everything in the reverse order. Ensure to properly torque all bolts and check for leaks before riding.
Remove wheel, fender. Remove Allen bolt at bottom of fork with impact wrench, it usually will not come loose, if you are trying it by hand unless you stick the special tool down into the top of fork tubes. (I use a broom handle), remove dust seals on fork legs, remove circlip, carefully remove oil seals, replace them, and reverse procedure for reassembly, add oil to fork tubes. Bubba
For a 2001 Yamaha YZ125, it's recommended to use 10-weight fork oil. The capacity for each fork leg is approximately 400cc, but it's essential to check the owner's manual for specific measurements and settings, as they can vary slightly. Ensure to replace the oil regularly to maintain optimal suspension performance.
To change a motorbike fork seal, start by removing the front wheel and fender, then loosen the top and bottom triple clamp bolts to detach the fork tubes. Carefully slide the fork tubes out and use a seal driver or a similar tool to remove the old seals. Clean the fork tubes, install the new seals, and reassemble the forks by reversing the disassembly process, ensuring everything is tightened to the manufacturer’s specifications. Finally, refill the forks with the appropriate oil before reattaching them to the bike.
The 1984 Yamaha YZ125 typically requires about 10.6 ounces (or 315 milliliters) of fork oil per leg. It's important to use the correct viscosity, usually 10W or 15W, depending on your riding style and conditions. Always check the owner's manual for specifics, as fork oil levels can vary slightly based on modifications or individual preferences.
Great video showing how.
588ml dry or ca 500ml oil change
15.1 - 15.3oz. I just changed out a set of fork seals on mine this weekend.