CYLINDER WORKS CYLINDER KIT YAMAHA YZ250F 01-13, WR250F 2001-2012, 80mm 270cc

The +3mm Big Bore Cylinder Kit (Part Number: 21002-K01) is a high-performance upgrade designed for Yamaha WR250F and YZ250F models from 2001 to 2013. This kit increases engine displacement to 269cc with a 12.5:1 compression ratio, delivering improved power and performance without requiring any additional machine work. It is a direct bolt-on solution, featuring a Nickel Silicon Carbide plated bore for durability and precise honing for easy piston installation.

Features:

• (+3mm Big Bore Kit) increases displacement to 269cc with a 12.5:1 compression ratio.
• Direct bolt-on installation with no replating required.
• Nickel Silicon Carbide plated bore ensures long-lasting performance.
• Honed to exact specifications for seamless piston installation.
• Includes all components necessary for installation.

Package Includes:

• Cylinder
• Piston
• Rings
• Pin
• Clips
• Gaskets

Vehicle Compatibility:

• Yamaha WR250F: 2001–2013
• Yamaha YZ250F: 2001–2013
• Yamaha YZ250FSP 50th Anniversary Edition: 2006

Cross-Reference Part Numbers:

• YAMAHA: 5NL-11311-00-00
• YAMAHA: 5UL-11311-00-00
• YAMAHA: 5XC-11311-00-00
• YAMAHA: 5XC-11311-01-00
• YAMAHA: 5XC-11311-10-00

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.