BETA CYLINDER - KIT D73 -B

Fitted from the factory, the BETA CYLINDER - KIT D73 -B (OEM 026.11.077.82.0B) is Beta’s original cylinder for the RR 300 2T RACING (2025). It houses the piston and sets bore condition and compression.

Re-bore or replace once the bore is scored or out of tolerance. Genuine OEM means exact fit, correct materials and no guesswork — and it protects your warranty.

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