What fork seal fits a KTM 690 Duke R?

The KTM 690 Duke R uses a 48 mm upside-down fork with 48x58x9.5 oil seals. We stock the manufacturer-verified seal and bushing kits for it; matching is done off the verified application list, not just the seal size.

What size is the KTM 690 Duke R fork?

The KTM 690 Duke R has a 48 mm upside-down fork with 48x58x9.5 oil seals.

Can I use any seal with the same dimensions?

No. Fork seals can share a size and still not seat correctly in a different fork design, so use the seal verified for your bike. The kits listed here are confirmed by the manufacturer to fit the KTM 690 Duke R.

KTM 690 Duke R Fork Seals

Q: What fork oil does the KTM 690 Duke R use?

The KTM 690 Duke R uses 4wt fork oil, about 534 ml per leg (factory fill WP/KTM Fork Oil SAE 4 (48601166S1)).

The KTM 690 Duke R 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)

Kit	Years	Seal size	Replaces OEM
55-131	2010–2012	48x58x9.5	Yamaha 1C3-23145-L0-00
57-105	2010–2012	n/a	n/a
56-146	2010–2012	n/a	n/a

Verified fork kits we stock for your KTM 690 Duke R

Fork Seal Kit

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

$19.12

Fork Seal Kit

Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023)

$19.50

Fork Seal Kit

Fork Oil & Dust Seal Kit — Gas-Gas EC125 — 5 Make...

$39.78

Fork oil for your KTM 690 Duke R

A fork-oil change on the KTM 690 Duke R uses 4wt fork oil, about 534 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.