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: 2012ā2021
- Honda CRF150RB (Expert): 2012ā2021
Product Information
Product Information
Shipping & Returns
Shipping & Returns


CYLINDER KIT 68mm 12-21 CRF150R, WORKS 11004-K02 BIG BORE
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: 2012ā2021
- Honda CRF150RB (Expert): 2012ā2021
Original: $1,168.29
-65%$1,168.29
$408.90Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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: 2012ā2021
- Honda CRF150RB (Expert): 2012ā2021





















