Yamaha WR250 Fork Seals

The Yamaha WR250 runs a 46 mm upside-down front fork (WP USD 48mm (KTM EXC/SX 1996-2007 era) + Sachs USD 48mm (Beta RR 2013-2023)).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 tube46 mm
  • Fork typeUpside-down
  • ForkWP USD 48mm (KTM EXC/SX 1996-2007 era) + Sachs USD 48mm (Beta RR 2013-2023)
KitYearsSeal sizeReplaces OEM
55-122 1991–1997 43x55x10.5 Yamaha 5VX-23145-00-00
55-126 2001–2004 46x58x9.5 n/a
57-102 1991–1997 n/a n/a
57-103 2001–2004 n/a n/a
56-135 1991–1997 n/a n/a
56-141 2001–2004 n/a n/a
38-6010 (bushings) 2001–2003 n/a n/a
38-6014 (bushings) 1994–1997 n/a n/a

Verified fork kits we stock for your Yamaha WR250

Fork oil for your Yamaha WR250

A fork-oil change on the Yamaha WR250 uses 5wt fork oil. Factory fill: KYB 01M / Showa SS-05 (~5wt).