Triumph 900 Trophy Fork Seals

The Triumph 900 Trophy runs a 43 mm front fork, oil seal 43x55x10.5.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 tube43 mm
  • Oil seal size43x55x10.5
KitYearsSeal sizeReplaces OEM
55-122 1991–1995 43x55x10.5 Yamaha 5VX-23145-00-00
57-102 1991–1995 n/a n/a
56-169 1996–2000 n/a n/a
55-150 1996–2000 n/a n/a
57-155 1996–2000 n/a n/a
56-135 1991–1995 n/a n/a
38-6086 (bushings) 1991–1995 n/a n/a

Verified fork kits we stock for your Triumph 900 Trophy

Fork oil for your Triumph 900 Trophy

A fork-oil change on the Triumph 900 Trophy uses 10wt fork oil. Factory fill: Showa SS-8 / Kayaba (SAE 10).