BETA LEFT COVER, CYLINDER HEAD R-125

Fitted from the factory, the BETA LEFT COVER, CYLINDER HEAD R-125 (OEM 34.30398.000) is Beta’s original cylinder head. It seals the combustion chamber and houses the valvetrain/squish.

Inspect and replace if warped, cracked or worn. Genuine OEM means exact fit, correct materials and no guesswork — and it protects your warranty.