+2mm Big Bore Complete Cylinder Kit (21005-K01) for Yamaha YZ450F (2010-2013) increases the displacement to 468cc with a 12.5:1 compression ratio. This direct bolt-on kit eliminates the need for replating, ensuring a quick and easy installation. Designed to match OEM appearance and functionality, the kit comes complete with all necessary components for a seamless upgrade.
Features:
- Increases displacement to 468cc with a +2mm bore.
- Direct bolt-on design requires no machining or replating.
- Nickel Silicon Carbide plated for enhanced durability and long service life.
- Honed to precise dimensions for effortless piston installation.
- Includes all components for a complete installation.
Specifications:
- Displacement: 468cc
- Bore size: +2mm
- Compression ratio: 12.5:1
- Piston assembly: Vertex #23655
Included Items:
- Cylinder
- Top-end gasket set
- Piston assembly (piston, rings, pin, and clips)
Cross-Reference OEM Part Numbers:
- Yamaha: 33D-11311-00-00
Vehicle Fitment:
- Yamaha YZ450F (2010-2013)
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