Page 176 of Kawasaki Motorcycles by Kawasaki USA

Kayaba AOS (Air-Oil Separate) sealed cartridge inverted fork separates oil and air by using an internal damping cartridge within the fork similar to a shock absorber bladder. The sealed cartridge prevents the mixing of air and oil and provides consistent damping and improved adjustability. The AOS cartridge resides in the upper portion of the fork with the fork spring underneath. As the fork compresses, a free-floating piston takes up the additional volume within the cartridge as fluid is displaced by the piston rod. A large hydraulic bottoming stop is located at the bottom of the cartridge and engages as the fork nears the end of its travel. Compression damping adjustment is located on top of the fork while rebound damping adjustment on the bottom. Low friction seals contribute to smooth fork action. Fork is adjustable with 22 click compression damping screw at the fork cap and 20 click rebound damping screw at the fork bottom. Front fork has long 315 mm travel. Air/oil Separation Chamber Free Piston Compression Piston Main Spring Rebound Piston Travel Control Valve Compression Stroke Rebound Stroke

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