41mm Engine Cylinder Barrel Piston Gasket Big Bore Kit 60cc For Simson S51, SR50, KR51, KR51/2 Schwalbe. Verdrängung: 60ccm. suitable for Simson types: S51, SR50, KR51/2. KR51 - KR51/1 Schwalbe [M53, M53/1].
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