KTM 125 EXC SIX DAYS Fork Seals

The KTM 125 EXC SIX DAYS runs a 48 mm upside-down front fork, oil seal 48x58x9.5 (WP USD 48mm open cartridge (KTM EXC/SX 2001-2016, Husaberg, Husqvarna, Gas-Gas, Triumph)).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
  • Oil seal size48x58x9.5
  • Fork typeUpside-down
  • ForkWP USD 48mm open cartridge (KTM EXC/SX 2001-2016, Husaberg, Husqvarna, Gas-Gas, Triumph)
KitYearsSeal sizeReplaces OEM
55-131 2014–2016 48x58x9.5 Yamaha 1C3-23145-L0-00
57-105 2014–2016 n/a n/a
56-146 2014–2016 n/a n/a
38-6082 (bushings) 2014–2016 n/a n/a

Verified fork kits we stock for your KTM 125 EXC SIX DAYS

Fork oil for your KTM 125 EXC SIX DAYS

A fork-oil change on the KTM 125 EXC SIX DAYS 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.