930536 B‑Type Gearbox Gasket – Genuine Rotax (Gearbox B Seal) Ensure leak-free operation of your Rotax gearbox with the 930536 B‑Type Gearbox Gasket. This OEM gasket is designed specifically for B‑type reduction gearboxes used on Rotax 2‑stroke engines (e.g., 503UL, … Read More