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This Polini piston, variant A, has a bore of 43,5 mm and a pin diameter of 12 mm. The part was specifically developed as a replacement for the piston in the Polini tuning cylinder with article number 144.0150, suitable for the Puch Maxi moped.
The designation 'A' indicates the specific dimensional tolerance of the piston. Check your cylinder measurement to determine the correct variant. The official Polini part number is 204.0377/A.
Install this piston exclusively in combination with the Polini cylinder 144.0150 — the part is not universally interchangeable with other cylinder blocks. When installing, also replace the piston pin and piston rings for a proper seal and maximum service life. Lubricate the piston thoroughly with two-stroke oil before the first start.
The expected delivery time is indicated above with the item. Shipped with tracking; free shipping from €75 (NL, BE, DE). Not satisfied? Return within 28 days via our return form.
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