Öhlins RXF 48 S Front Fork KTM 250 SX (2016–2026)⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberFFX 2201
FitmentKTM 250 SX (2016–2026)
Road ApprovalNot documented by Öhlins
Length950 mm
Stroke297 mm
Spring Rate4,7 N/
Spring Part Number02428-47
Recommended Öhlins Oil1330
Product LineRXF 48 S
DescriptionThe whole story▼

Öhlins lists part number FFX 2201 for one machine: the KTM 250 SX built 2016–2026. Front-end feel is a damping problem before it is a geometry problem.

Key Features

  • Ships with spring 02428-47
  • Fitted spring rate 4,7 N/mm, chosen by Öhlins for the 250 SX
  • Built for the KTM 250 SX (2016–2026); fits without modification
  • Damper stroke 297 mm

How the Fork Works

The 950 mm length is dictated by the 250 SX's own geometry. The recommended oil is 1330; using something else changes the damping the shim stack was set for. Rate as supplied is 4,7 N/mm, matched by Öhlins to this machine rather than to the platform. Spring part number 02428-47 is a separate catalogue item, so a rate change is inexpensive. Preload is adjusted separately from damping, and the two should not be confused. Öhlins supplies a baseline setting sheet with the fork.

About the RXF 48 S Range

Öhlins built the RXF 48 for off-road racing: 48 mm tubes, separate compression and rebound adjustment, and in the S specification a coil spring rather than an air chamber. Öhlins supplies the RXF 48 S with springs matched to the machine, and alternative rates are catalogue items. A coil spring holds its rate as the fork heats; an air spring does not, and that is the central argument for the conversion.

Construction and Material Quality

Shafts are hardened and surface-treated so the seal has a consistent surface to run against. Fork springs are separate catalogue items and can be changed without dismantling the cartridge. The unit is rebuildable: seals, shims and oil are catalogue items, not a reason to buy a new one.

The 250 SX in Particular

At 250 cc the 250 SX makes enough torque to load the rear hard on corner exit, and the damper has to keep the wheel in contact while that happens. Öhlins covers the 11-year production run of this generation with a single part number, which means the mounting and the linkage stayed unchanged across it. A motocross track punishes suspension in a way nothing else does: repeated identical hits at the same speed, lap after lap.

Fitment and Compatibility

The fitment stated here is the KTM 250 SX in its 2016–2026 form, under Öhlins part number FFX 2201. Öhlins releases the same number for 33 closely related machines; this listing is the KTM 250 SX version of that fitment. Öhlins notes for this application: 08765- spring series *Replaces FFX 1201*

Road Approval

Road approval: not documented by Öhlins for the KTM 250 SX. We do not state an approval we cannot evidence — please confirm the current status with us before ordering if you intend to use the motorcycle on public roads.

Fitting and Setup Service

Öhlins components deliver what they promise once they are fitted and set up properly. As an authorised Öhlins service centre we do exactly that in house — installation, service and setup. Simply ask if you would like us to take care of it.

Specifications

  • Brand: Öhlins
  • Part Number: FFX 2201
  • Fitment: KTM 250 SX (2016–2026)
  • Road Approval: Not documented by Öhlins
  • Length: 950 mm
  • Stroke: 297 mm
  • Spring Rate: 4,7 N/mm
  • Spring Part Number: 02428-47
  • Recommended Öhlins Oil: 1330
  • Product Line: RXF 48 S
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
  • KTM 250 SX (2016–2026)
07 · Support

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08 · Paddock

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