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The Malossi Karbonit diaphragm plate kit replaces the original diaphragm plate in engines with a Minarelli horizontal block or a Piaggio 2-stroke block. Karbonit is the Malossi designation for carbon fiber-reinforced diaphragm plates — a material that weighs less than standard plastic diaphragms and is simultaneously stiffer, resulting in more precise gas flow and smoother throttle response.
Membranes are open/close valves in the intake manifold of a 2-stroke engine: they allow the air-fuel mixture to flow from the carburetor to the crankcase and close as soon as the pressure reverses. A damaged or worn diaphragm plate results in looser throttle control, power loss, or poor idling. Replacement with a Karbonit kit restores the original function and can also provide a small power advantage during sporty riding.
Malossi reference 277054.K0 ensures a correct fit. If in doubt, check this number against your current diaphragm plate set or via your parts catalogue before ordering.
| Product type | Membrane |
|---|---|
| Brand | Malossi |
| Suitable for brand | Aprilia, Derbi, Gilera, Piaggio, Wasp |
| Suitable for model | Aprilia SR, Vespa LXV 50, Aprilia Mojito, Aprilia SportCity One, Derbi Senda, Gilera DNA, Gilera Runner, Gilera Runner 50, Gilera Stalker, Piaggio Fly, Piaggio NRG, Piaggio Sfera, Piaggio Skipper, Piaggio Typhoon, Piaggio Zip, Piaggio Zip 2000, Piaggio Zip SP, Vespa LXV |
| Vehicle type | Moped, Scooter |
| Type | 2-stroke |
| OEM | No |
| Material | Carbon fiber |
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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