Green SKF fork seal kit (oil seal and dust wiper)
02 · Data & docs

The facts.

Technical data
ProductSKF fork seal kit, green version
Supplied byWilbers Products GmbH, Nordhorn
FitmentKTM 50SX (2012–2016)
ForkWP, 35 mm
Contents1 oil seal + 1 dust ring (one fork leg)
Quantity noteTwo kits needed for both fork legs
Part number585-1697-00
DescriptionThe whole story▼

The KTM 50SX (2012–2016) takes this green SKF seal kit, listed by Wilbers for its WP, 35 mm fork. A kit covers one leg, so a full fork service needs two.

Key Features

  • Fork: WP, 35 mm
  • Tested by Wilbers for five years in the IDM Superbike series
  • Kit for one fork leg: oil seal and dust wiper
  • SKF green-series fork seal
  • Low friction for a sensitive fork

Tested in Racing

Before offering it, Wilbers ran these seals for five years in the German IDM Superbike series on BMW machines. On the road, the 50SX asks far less of the seal than a superbike on track.

Why Green

On the 50SX's WP, 35 mm fork, the green seal brings SKF's patented material. It combines lasting sealing with very little friction. The stanchions of the 50SX are spared rather than worn.

Related Wilbers Parts

Wilbers also offers fully synthetic fork oil for the refill. Seals, oil and springs together give the 50SX a fresh front end.

Workshop Notes

Refill the 50SX's fork with fresh oil to the factory level.

SKF Seals on the 50SX

The WP, 35 mm fork of the 50SX relies on two seals per leg to keep oil in and dirt out. Wilbers says the fine response can be felt from the first few metres. If the 50SX's fork is due for a service, this is the moment to fit SKF seals.

One Kit, One Leg

In the box: one oil seal and one dust wiper. Both legs of the 50SX usually wear at the same rate, so order two. Some kits include a snap ring that replaces the original one.

When to Replace Fork Seals

If oil runs down the fork leg, the seal has had its day. Oil on the brake disc or pads is a safety risk; replace leaking seals promptly.

Fitment and Compatibility

Listed for the KTM 50SX (2012–2016). Wilbers lists the fork as WP, 35 mm. At Wilbers it is listed as 585-1697-00. If in doubt, send us your vehicle details.

Specifications

  • Product: SKF fork seal kit, green version
  • Supplied by: Wilbers Products GmbH, Nordhorn
  • Fitment: KTM 50SX (2012–2016)
  • Fork: WP, 35 mm
  • Contents: 1 oil seal + 1 dust ring (one fork leg)
  • Quantity note: Two kits needed for both fork legs
  • Part number: 585-1697-00
FitmentWhich bikes this fits▼
  • KTM 50SX (2012–2016)
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