Skip to product information
CYLINDER KIT YZF450 14-17 99mm, WORKS CYLINDER 21005-K02 BIG BORE

CYLINDER KIT YZF450 14-17 99mm, WORKS CYLINDER 21005-K02 BIG BORE

£697.38 GBP
Taxes included.

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