BETA OIL SEAL 5,28.1,78 NBR

Fitted from the factory, the BETA OIL SEAL 5,28.1,78 NBR (OEM 10.67051.000) is Beta’s original Cylinder/Cylinder Head/Valvetrain component for the EVO 250 4T, EVO 300 4T, EVO 300 4T FACTORY, REV 250 4T (2008–2026). It keeps your Beta performing exactly as the factory intended.

Replace it as part of normal maintenance or after wear. Genuine OEM means exact fit, correct materials and no guesswork — and it protects your warranty.

Browse more parts for your model: EVO 250 4T · EVO 300 4T FACTORY · EVO 300 4T · REV 250 4T.