Beta 250 EVO 4T Fork Seals

The Beta 250 EVO 4T runs a 38 mm conventional front fork, oil seal 38x50x8.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 tube38 mm
  • Oil seal size38x50x8
  • Fork typeConventional
KitYearsSeal sizeReplaces OEM
55-137 2009–2018 38x50x8 n/a
56-166 2009–2018 n/a n/a
57-153 2009–2018 n/a n/a

Verified fork kits we stock for your Beta 250 EVO 4T

Fork oil for your Beta 250 EVO 4T

A fork-oil change on the Beta 250 EVO 4T uses 5wt fork oil. Factory fill: 5wt damping leg / 7.5wt spring leg (Paioli/Sachs).