- CNC-machined billet cylinder for maximum strength and durability
- Designed for high-compression and high-performance engines
- Improved cooling capacity compared to conventional big bore cylinders
- Compatible with heavy-duty connecting rods and performance crankshaft setups
- Ideal for Adventure, Enduro, Rally and Racing applications
Important Note
⚠️ Crankcase machining is required (Open Crankcase Required) for installation of the 91mm cylinder.
Professional installation is strongly recommended.
