Restore the top-end performance of your Yamaha with the Cylinder Works Standard Bore Cylinder Only, manufacturer part number 20005. Designed as a direct replacement cylinder for standard-bore applications, this cylinder is engineered to match the stock appearance while providing dependable service life and consistent performance. Its 97.00 mm standard-bore configuration is suited for select Yamaha YZ450F and YZ450FX models.
Manufactured with a nickel silicon carbide-plated bore, the Cylinder Works cylinder offers improved durability and extended wear resistance compared with conventional cylinder surfaces. The precision-plated design supports reliable piston operation, helps reduce engine noise when paired with a matched piston, and is intended for installation without machine work in applicable standard-bore setups. This listing is for the cylinder only; piston, rings, and gaskets are not included.
Fitment includes 2010–2017 Yamaha YZ450F models and 2016–2017 Yamaha YZ450FX models. Verify the motorcycle year, engine configuration, and existing bore specification before ordering. Cylinder Works also offers replacement piston, gasket, and ring sets for service or rebuild requirements. Manufacturer part number 20005 and vendor part number 20005 identify this standard-bore replacement cylinder.
Features:
- Standard bore cylinder with a 97.00 mm bore specification
- Cylinder Works manufacturer and vendor part number 20005
- Nickel silicon carbide-plated bore for extended service life
- Stock-style appearance for an original-equipment look
- Designed for applicable installations without machine work
- Matched with Vertex pistons in complete kits to support longevity, performance, and reduced engine noise
- Cylinder-only replacement; piston kit, rings, and gaskets are not included
- Fits 2010–2017 Yamaha YZ450F models
- Fits 2016–2017 Yamaha YZ450FX models
- Replacement pistons, gaskets, and ring sets are available separately
Fitment:
2010 Yamaha YZ450F
2011 Yamaha YZ450F
2012 Yamaha YZ450F
2013 Yamaha YZ450F
2014 Yamaha YZ450F
2015 Yamaha YZ450F
2016 Yamaha WR450F
2016 Yamaha YZ450F
2016 Yamaha YZ450FX
2017 Yamaha WR450F
2017 Yamaha YZ450F
2017 Yamaha YZ450FX
2018 Yamaha WR450F
2018 Yamaha YZ450FX