Öhlins Cylinder head 0ø pb 46/26
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number00890-51
CategoryCylinder Heads
Diameter46 mm
Length26 mm
Country of OriginSweden
DescriptionThe whole story▼

Cylinder head 0ø pb 46/26, Öhlins part number 00890-51. A tube that has been bottomed hard often shows a ring mark; that is a reason to replace it.

Key Features

  • Diameter 46 mm
  • Öhlins part number 00890-51
  • Original Öhlins service part
  • Length 26 mm

Where It Sits

Öhlins publishes 46 mm, 26 mm for 00890-51 — the dimensions are the identity of the part. Surface finish is specified in microns, because it decides how quickly the piston band wears. The cylinder head closes the working bore and carries the shaft seal and its bushing. Tubes are replaced when the bore is marked; polishing them out changes the clearance and makes it worse.

Why the Original

A damper that can be rebuilt is a damper that stays on the bike; that is the whole argument for original service parts. Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. Where a number has been superseded, Öhlins states the replacement — we pass that on. The exploded drawing for your unit names the number; if you do not have it, we do.

Identifying the Right Part

The reliable route is the exploded drawing: find the position, read the number, order it — 00890-51 in this case. Check diameter 46 mm, length 26 mm against what you have removed; a close size is not the same part. Öhlins turns and hones each tube to a defined roundness, because an out-of-round bore leaks past the piston. The tube carries the end cap threads, so damaged threads mean a new tube rather than a repair.

Fitting and Setup Service

Fitting service parts means opening a pressurised unit. As an authorised Öhlins service centre we do that here, with the right tools and a dyno check afterwards — just ask.

Specifications

  • Brand: Öhlins
  • Part Number: 00890-51
  • Category: Cylinder Heads
  • Diameter: 46 mm
  • Length: 26 mm
  • Country of Origin: Sweden
07 · Support

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08 · Paddock

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