KTM 690 Duke Fork Seals
Fork specs for the KTM 690 Duke vary by year (see the table below).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.
| Years | Fork tube |
|---|---|
| 2009–2012 | 48 mm |
| 2014–2019 | 43 mm |
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-114 | 2014–2019 | 43x53x9.5 | KTM 43570623, KTM R14049 |
| 55-131 | 2009–2012 | 48x58x9.5 | Yamaha 1C3-23145-L0-00 |
| 57-105 | 2009–2012 | n/a | n/a |
| 57-137 | 2014–2019 | n/a | n/a |
| 56-126 | 2014–2019 | n/a | n/a |
| 56-146 | 2009–2012 | n/a | n/a |
Verified fork kits we stock for your KTM 690 Duke
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 Dust Seal Kit — BMW F800GS (2013-2017) +
$21.01
Fork Seal Kit
Fork Oil & Dust Seal Kit — Gas-Gas EC125 (2003)
$39.78
Fork Seal Kit
Fork Oil & Dust Seal Kit — Gas-Gas EC125 — 5 Make...
$39.78
Fork oil for your KTM 690 Duke
A fork-oil change on the KTM 690 Duke uses 4wt fork oil, about 480 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.
