Öhlins Cylinder head 90ø pb 46/26
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number00890-56
CategoryCylinder Heads
Diameter46 mm
Length26 mm
Country of OriginSweden
DescriptionThe whole story▼

Cylinder head 90ø pb 46/26, Öhlins part number 00890-56. Aluminium tubes are hard-anodised in the bore so the piston band has a hard surface to run against.

Key Features

  • Diameter 46 mm
  • Original Öhlins service part
  • Length 26 mm
  • Öhlins part number 00890-56

What It Is

00890-56 is the 46 mm, 26 mm version — Öhlins lists each size separately. A head that has been over-tightened distorts and stops sealing. Öhlins matches tube and piston as a pair during assembly, which is why the part numbers are specific. Tubes are replaced when the bore is marked; polishing them out changes the clearance and makes it worse.

Original Öhlins Part

Parts remain available years after a unit leaves the current price list, which is unusual in this trade. Öhlins publishes dimensions for its service parts so a workshop can verify before it fits. We can supply the whole position from the drawing rather than the single piece if that is easier. If the unit is already apart, compare the published dimensions with the part in your hand.

How to Be Sure It Fits

If the unit is already open, compare the dimensions below with the part in your hand before ordering 00890-56. Check diameter 46 mm, length 26 mm against what you have removed; a close size is not the same part. The cylinder head closes the working bore and carries the shaft seal and its bushing. Most seal kits are built around a specific head design.

Fitting and Setup Service

Öhlins recommends that its units are serviced by an authorised centre. We are one: rebuild, revalve and setup all happen in our own workshop.

Specifications

  • Brand: Öhlins
  • Part Number: 00890-56
  • Category: Cylinder Heads
  • Diameter: 46 mm
  • Length: 26 mm
  • Country of Origin: Sweden
07 · Support

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