Ducati 851 Fork Seals

The Ducati 851 runs a 41 mm front fork, oil seal 41x54x11.Every kit here is verified by the manufacturer to fit this exact bike. Fork seals can share a size and still not seat in a different fork, so we only list what is confirmed for your bike.

  • Fork tube41 mm
  • Oil seal size41x54x11
KitYearsSeal sizeReplaces OEM
55-119 1990–1993 41x54x11 BMW 31422312838, BMW 31428358444

Verified fork kits we stock for your Ducati 851

Fork oil for your Ducati 851

A fork-oil change on the Ducati 851 uses 7.5wt fork oil, about 480 ml per leg (oil level 85 mm). Factory fill: Shell Advance Fork 7.5 (7.5wt) — Ducati-spec for Showa/Marzocchi street forks.