KTM 450 XC-W Fork Seals

The KTM 450 XC-W runs a 48 mm upside-down front fork.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 tube48 mm
  • Fork typeUpside-down
KitYearsSeal sizeReplaces OEM
55-131 2007–2015 48x58x9.5 Yamaha 1C3-23145-L0-00
55-132 2016 48x58x8.5 Honda 51490-MEN-A31, Honda 51490-MEN-003, Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00
57-105 2007–2016 n/a n/a
56-146 2007–2015 n/a n/a
56-147 2016 n/a n/a
38-6054 (bushings) 2007–2011 n/a n/a
38-6074 (bushings) 2008–2015 n/a n/a
38-6128 (bushings) 2016 n/a n/a

Verified fork kits we stock for your KTM 450 XC-W

Fork oil for your KTM 450 XC-W

A fork-oil change on the KTM 450 XC-W uses 4wt fork oil, about 625 ml per leg. Factory fill: WP/KTM Fork Oil SAE 4 (48601166S1). We don't stock 4wt yet, so the closest weight we carry (5wt) is shown below.