CYLINDER WORKS CYLINDER KIT + GASKET YAMAHA YZ85 2002-2018, 52.5mm BIG BORE

Cylinder Works +5mm Big Bore Complete Cylinder Kit for the 2002-2018 Yamaha YZ85 increases displacement to 103.5cc. This direct bolt-on upgrade requires no re-plating and includes all necessary components for installation. The cylinder is Nickel Silicon Carbide plated for durability and honed to exact size for easy piston installation. Note: The cylinder head must be modified for proper fitment.

Features

• Direct bolt-on installation with no additional machining required
• Nickel Silicon Carbide plated for extended lifespan
• Honed to exact size for easy piston installation
• Big bore design increases displacement to 103.5cc
• Includes all necessary components for installation
• Note: Cylinder head modification is required

Included Items

• Cylinder
• Piston
• Piston pin
• Two circlips
• Piston ring
• Gasket set

Specifications

• Bore: +5mm
• Displacement: 103.5cc
• Compression: Standard
• Uses Vertex Piston #23628

Cross-Reference OEM Part Numbers

• YAMAHA: 5PA-11311-00-00
• YAMAHA: 5PA-11311-01-00
• YAMAHA: 5PA-11311-10-00

Vehicle Fitments

• 2002-2018 Yamaha YZ85

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.