Öhlins Piston 8/25The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 02061-05 |
| Category | Pistons |
| Dimension A | 8 mm |
| Dimension B | 25 mm |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Piston 8/25, Öhlins part number 02061-05. Rebuilding a piston means keeping the shim order, because the stack is the tuning.
Key Features
- Dimension A 8 mm
- Original Öhlins service part
- Öhlins part number 02061-05
- Dimension B 25 mm
Where It Sits
Dimensionally this is 8 mm, 25 mm, which is how it is told apart from the rest of the range. The piston carries the shim stacks and meters the oil through its ports. Öhlins machines the ports rather than casting them, so the edges stay sharp and the flow predictable. Port area and shim seat geometry decide the damping curve before any adjuster is touched.
Why the Original
Öhlins manufactures service parts on the same lines as production parts — there is no second quality. Parts remain available years after a unit leaves the current price list, which is unusual in this trade. Öhlins numbers do not follow a logic you can guess — always read them from the documentation. If the unit is already apart, compare the published dimensions with the part in your hand.
How to Be Sure It Fits
Öhlins identifies this position by the number 02061-05 in the exploded view for the unit it belongs to. dimension a 8 mm, dimension b 25 mm is what distinguishes this number from its neighbours in the range. Needle geometry sets the shape of the adjustable range, not just its size. Öhlins machines its pistons rather than sintering them, which is why the port edges stay sharp.
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: 02061-05
- Category: Pistons
- Dimension A: 8 mm
- Dimension B: 25 mm
- Country of Origin: Sweden
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