Beta X-TRAINER Fork Seals

The Beta X-TRAINER runs a 43 mm front fork, oil seal 43x55x9.5.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 size43x55x9.5
KitYearsSeal sizeReplaces OEM
55-123 2015–2025 43x55x9.5 Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00
57-102 2015–2025 n/a n/a
56-137 2015–2025 n/a n/a

Verified fork kits we stock for your Beta X-TRAINER

Fork oil for your Beta X-TRAINER

A fork-oil change on the Beta X-TRAINER uses 5wt fork oil. Factory fill: 5wt (ZF Sachs OC).