The Cylinder Works +3mm Big Bore Complete Cylinder Kit increases the displacement of Suzuki RM-Z250 models to 269cc. This direct bolt-on kit is engineered for seamless installation and provides OEM-like performance with enhanced power output.

Features:

• Increases displacement to 269cc with a +3mm big bore cylinder.


• Nickel Silicon Carbide plating ensures durability and long service life.


• Direct bolt-on installation; no replating or additional machining required.


• Precisely honed for easy piston installation.


• Includes all necessary components for a complete top-end rebuild.

Included Components:

1. Cylinder


2. Top-end gasket set


3. Piston assembly (piston, rings, pin, clips)

Specifications:

• Bore size: 80mm


• Displacement: 269cc


• Compression ratio: 13.4:1


• Piston type: Vertex #23678

Cross-Reference Part Numbers:

• P400510100010


• 0931-0350


• 733851


• HR41003K01


• 77002-13


• 11211-10H00-0F0

Vehicle Fitments:

• Suzuki RM-Z250: 2007–2009