KTM 250 EXC Fork Seals
The KTM 250 EXC runs a 48 mm 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
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-114 | 2000–2001 | 43x53x9.5 | KTM 43570623, KTM R14049 |
| 55-130 | 1997 | 50x63x11 | n/a |
| 55-131 | 2003–2016 | 48x58x9.5 | Yamaha 1C3-23145-L0-00 |
| 55-132 | 2017–2021 | 48x58x8.5 | Honda 51490-MEN-A31, Honda 51490-MEN-003, Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00 |
| 55-134 | 1998–1999 | 50x60x10.5 | n/a |
| 55-135 | 1995–1996 | 45x58x11 | n/a |
| 57-105 | 2003–2021 | n/a | n/a |
| 57-106 | 1998–1999 | n/a | n/a |
Verified fork kits we stock for your KTM 250 EXC

Fork Seal Kit
Fork Oil Seal Kit — Aprilia EVT Caponord
$19.12

Fork Seal Kit
Fork Oil Seal Kit — Gas-Gas EC250 (2012) + 174
$19.12

Fork Seal Kit
Fork Oil Seal Kit — Beta RR 2T 125 (2019-2023) +
$18.24

Fork Seal Kit
Fork Oil Seal Kit — KTM Adventure 640
$19.12

Fork Seal Kit
Fork Oil Seal Kit — Beta RR 4T 250 (2005-2007) +
$19.12

Fork Seal Kit
Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023)
$19.50
Fork oil for your KTM 250 EXC
A fork-oil change on the KTM 250 EXC 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.














