What fork seal fits a KTM 65 SX?

The KTM 65 SX uses a 35 mm conventional fork. 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 65 SX fork?

The KTM 65 SX has a 35 mm conventional fork.

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 65 SX.

KTM 65 SX Fork Seals

Q: What fork oil does the KTM 65 SX use?

The KTM 65 SX uses 4wt fork oil, about 240 ml per leg (factory fill WP/KTM Fork Oil SAE 4 (48601166S1)).

The KTM 65 SX runs a 35 mm conventional front fork (Marzocchi 32mm conventional (KTM 50 SX 2001-2012)).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 tube35 mm
Fork typeConventional
ForkMarzocchi 32mm conventional (KTM 50 SX 2001-2012)

Kit	Years	Seal size	Replaces OEM
55-115	1998–2001	32x42x9	n/a
55-128	2002–2011	35x47x10	n/a
57-135	1998–2001	n/a	n/a
57-139	2002–2011	n/a	n/a
55-141	2012–2016	n/a	n/a
57-146	2012–2026	n/a	n/a
56-159	2012–2016	n/a	n/a
56-197	2017–2026	n/a	n/a

Verified fork kits we stock for your KTM 65 SX

Fork Seal Kit

Fork Oil Seal Kit — Aprilia Climber 280 (1994) +

$19.12

Fork Seal Kit

Fork Dust Seal Kit — KTM JR ADV 50 (2001) + 8

$22.16

Fork Seal Kit

Fork Dust Seal Kit — KTM SX 65 (2002-2011), KTM

$21.01

Fork Seal Kit

Fork Dust Seal Kit — Gas-Gas MC 50 (2021-2026) +

$22.20

Fork oil for your KTM 65 SX

A fork-oil change on the KTM 65 SX uses 4wt fork oil, about 240 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.