Horstman HDC-3 single disc dry clutch.  Fits Yamaha KT-100 crank taper.

  • The center assembly appears to have moderate use since overhaul, with the friction disc showing moderate to heavy wear.

  • The drum is rated in Fair condition, with heavy grooving in the disc-engagement slots.

  • The removable sprocket 11T #219 sprocket shows ~90% worn / ~10% life remaining.
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