CYLINDER KIT 68mm 12-21 CRF150R, WORKS 11004-K02 BIG BORE

The Cylinder Works +2mm Big Bore Cylinder Kit increases the displacement of Honda CRF150R and CRF150RB models to 159cc. This ready-to-install kit delivers OEM-like fitment and performance, featuring durable materials and precision engineering.

Features:

• Increases displacement to 159cc with a +2mm big bore cylinder.
• Nickel Silicon Carbide plated for enhanced durability and long service life.
• Direct bolt-on replacement; no replating required.
• Matched Vertex pistons ensure optimal performance and reduced engine noise.
• Includes all components needed for a complete top-end rebuild.
• Made in the U.S.A.

Included Components:

• Cylinder
• Piston kit
• Top-end gasket kit
• Rings
• Pin
• Clips

Specifications:

• Displacement: 159cc
• Compression ratio: 11.7:1
• Piston type: Vertex #23868

Vehicle Fitments:

• Honda CRF150R: 2012–2021
• Honda CRF150RB (Expert): 2012–2021