Öhlins RXF 48 S Front Fork KTM 300 SX (2023–2026)⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberFFX 2201
FitmentKTM 300 SX (2023–2026)
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▼

The Öhlins FFX 2201 exists because the KTM 300 SX (2023–2026) needed its own settings, not a shared set. The front end is where a rider's confidence is won or lost on the 300 SX.

Key Features

  • Ships with spring 02428-47
  • Spring rate 4,7 N/mm, set against this machine's weight
  • 297 mm working stroke
  • Listed by Öhlins for the KTM 300 SX (2023–2026) and no other machine

Damping and Adjustment

Eye-to-eye length is 950 mm, fixed for this application. 297 mm is the stroke Öhlins specifies against the 300 SX's ratio. Fill specification is 1330, which is part of the setting rather than a detail. Öhlins fits a 4,7 N/mm spring to this number; riders far from average weight should expect to change it. Compression and rebound adjusters sit at the fork tops and work independently. The range is wide enough that both ends of it are usable rather than theoretical.

Construction and Material Quality

Fork springs are separate catalogue items and can be changed without dismantling the cartridge. Every Öhlins dealer can re-valve the unit, because the shim stack is a documented, serviceable assembly. Two units carrying the same part number behave the same way out of the box, which is the whole point of testing each one.

The RXF 48 S in Detail

The fork is built for racing use and expects racing service intervals — oil and seals at regular hour counts. The assembly drops into the standard triple clamps on the models it is listed for. Air forks need a pressure check before every ride, and the RXF 48 S removes that step entirely.

Why This Machine Needs It

Öhlins covers the 4-year production run of this generation with a single part number, which means the mounting and the linkage stayed unchanged across it. At 300 cc the 300 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. Braking bumps and jump landings load the suspension at the two extremes of its range within the same corner.

Fitment and Compatibility

Öhlins releases FFX 2201 against the KTM 300 SX (2023–2026). 33 machines in the range take this number, the KTM 300 SX among them. Öhlins notes for this application: 08765- spring series *Replaces FFX 1201*

Road Approval

Road approval: not documented by Öhlins for the KTM 300 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

Fitting matters as much as the part. We are an authorised Öhlins service centre and carry out installation, servicing and setup ourselves — get in touch and we will arrange it alongside your order.

Specifications

  • Brand: Öhlins
  • Part Number: FFX 2201
  • Fitment: KTM 300 SX (2023–2026)
  • 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 300 SX (2023–2026)
07 · Support

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