CYLINDER WORKS CYLINDER KIT YAMAHA YZ-F450 14-17, WR450F 16-18, 99mm BIG BORE

Cylinder Works +2mm Big Bore 99mm Cylinder Kit for the 2014-2017 Yamaha YZ450F, 2016-2018 Yamaha WR450F, and 2016-2018 Yamaha YZ450FX increases displacement to 468cc. This direct bolt-on upgrade requires no re-plating and includes a matched Vertex piston for durability, performance, and reduced engine noise.

Features

• Direct bolt-on installation with no additional machining required
• Nickel Silicon Carbide plated for extended lifespan
• Three options available: Standard Bore, Standard Bore High Compression, and Big Bore
• Includes cylinder, piston, rings, pin, clips, and top-end gasket kit
• Big bore cylinder kits do not require additional machine work (unless specified)
• Replacement Vertex piston, rings, clips, and pins available separately
• Manufactured in the U.S.A.

Specifications

• Bore: 99mm (+2mm)
• Displacement: 468cc
• Compression Ratio: 12.5:1
• Uses Vertex Piston #23655

Cross-Reference OEM Part Numbers

• Not specified

Vehicle Fitments

• 2014 Yamaha YZ450F
• 2015 Yamaha YZ450F
• 2016 Yamaha YZ450F
• 2017 Yamaha YZ450F
• 2016 Yamaha WR450F
• 2017 Yamaha WR450F
• 2018 Yamaha WR450F
• 2016 Yamaha YZ450FX
• 2017 Yamaha YZ450FX
• 2018 Yamaha YZ450FX

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.