Cylinder Works

Discover Cylinder Works motorcycle cylinder kits and top-end engine repair components.

145 products

  • Gasket Top Kit KTM 16-18 SXF350 90mm, Works Big Bore 51007-G01, 860VG810037 Gasket Top Kit KTM 16-18 SXF350 90mm, Works Big Bore 51007-G01, 860VG810037

    Cylinder Works Gasket Top Kit KTM 16-18 SXF350 90mm, Works Big Bore 51007-G01, 860VG810037

    1 in stock 1-2 business days

    Big bore gasket kit designed for +2mm big bore applications on KTM 350 SX-F, KTM 350 XC-F, and Husqvarna FC 350 models. This kit includes all necessary gaskets to ensure a proper seal when installing a big bore cylinder. Features Designed for +2mm big bore applications Ensures a secure seal for top-end components Direct replacement for OEM gaskets Specifications Part Numbers: 51007-G01 / 860VG810037 Includes head, base, exhaust, and cam chain tensioner gaskets Vehicle Fitments 2016-2018 KTM 350 SX-F 2016-2017 KTM 350 XC-F 2016-2017 Husqvarna FC 350 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM XC F 350 2016-2018 KTM SX F 350 2016-2018 HUSQVARNA FC 350 2016-2018

    1 in stock 1-2 business days

    £122.23

  • Cylinder Kit 90mm 2016-2018 KTM SXF350 Works Big Bore 51007-K01

    Cylinder Works Cylinder Kit 90mm 2016-2018 KTM SXF350 Works Big Bore 51007-K01

    1 in stock 1-2 business days

    Big bore cylinder kit designed for KTM 350 SX-F, KTM 350 XC-F, and Husqvarna FC 350 models. This kit increases engine displacement with a 90mm bore size, providing a direct bolt-on replacement for enhanced performance. Features Direct bolt-on replacement requiring no additional machining Increases engine displacement for improved power output Precision-machined for durability and reliability Specifications Part Number: 51007-K01 Bore Size: 90mm Cross-Reference OEM Part Numbers [Include OEM part numbers if available] Vehicle Fitments 2016-2018 KTM 350 SX-F 2016-2017 KTM 350 XC-F 2016-2017 Husqvarna FC 350 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM XC F 350 2016-2018 KTM SX F 350 2016-2018 HUSQVARNA FC 350 2016-2018

    1 in stock 1-2 business days

    £832.44

  • Gasket Top Kit KTM 13-15 SXF250 81mm, Works Big Bore 51004-G01, 8-51004-G01 Gasket Top Kit KTM 13-15 SXF250 81mm, Works Big Bore 51004-G01, 8-51004-G01

    Cylinder Works Gasket Top Kit KTM 13-15 SXF250 81mm, Works Big Bore 51004-G01, 8-51004-G01

    2 in stock 1-2 business days

    Big bore gasket kit designed for +3mm top-end applications on KTM 250 and Husaberg FE 250 models. This kit includes all necessary gaskets for a proper seal when installing a big bore cylinder. Features Designed for +3mm big bore applications Ensures a secure seal for top-end components Direct replacement for OEM gaskets Specifications Part Numbers: 51004-G01, 8-51004-G01 Includes head, base, exhaust, and cam chain tensioner gaskets Vehicle Fitments 2014-2015 Husaberg FE 250 2014 KTM 250 EXC-F 2013-2015 KTM 250 SX-F 2013-2015 KTM 250 XC-F 2014 KTM 250 XCF-W Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM SX F 250 2013-2015 HUSQVARNA FE 250 2014-2016 HUSQVARNA FC 250 2014-2015 KTM XC F 250 2013-2015 KTM EXC F 250 2014-2016 KTM XCF W 250 2014

    2 in stock 1-2 business days

    £160.45

  • Cylinder Kit KTM 13-15 SXF250 81mm, Works Big Bore 51004-K01 Cylinder Kit KTM 13-15 SXF250 81mm, Works Big Bore 51004-K01

    Cylinder Works Cylinder Kit KTM 13-15 SXF250 81mm, Works Big Bore 51004-K01

    1 in stock 1-2 business days

    Big bore cylinder kit designed for KTM 250 and Husaberg FE 250 models. This +3mm kit increases displacement to 270cc with a 13.9:1 compression ratio. It includes a matched Vertex piston for improved longevity, performance, and reduced engine noise. Nickel Silicon Carbide plating ensures durability, and the kit is a direct bolt-on replacement requiring no replating or additional machining. Features Direct bolt-on installation with no replating required Increases displacement to 270cc with a 13.9:1 compression ratio Nickel Silicon Carbide plated for extended durability Includes matched Vertex piston for optimized performance Comes complete with all necessary components for installation Replacement Vertex piston, rings, clips, and pins available separately Manufactured in the U.S.A. Specifications Part Number: 51004-K01 +3mm Big Bore Cylinder Kit Displacement: 270cc Compression Ratio: 13.9:1 Uses Vertex Piston #23867 Included Items (1) Cylinder (1) Piston kit (1) Top-end gasket kit (1) Piston pin (2) Circlips (1) Ring set Vehicle Fitments 2014 KTM 250 EXC-F (Euro) 2014 KTM 250 EXC-F 2013-2015 KTM 250 SX-F 2013-2015 KTM 250 XC-F 2014 KTM 250 XCF-W 2014-2015 Husaberg FE 250 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM SX F 250 2013-2015 HUSQVARNA FE 250 2014-2016 HUSQVARNA FC 250 2014-2015 KTM XC F 250 2013-2015 KTM EXC F 250 2014-2016 KTM XCF W 250 2014

    1 in stock 1-2 business days

    £989.03

  • Cylinder Only KTM 13-15 SXF250 78mm, Works 50004 Std

    Cylinder Works Cylinder Only KTM 13-15 SXF250 78mm, Works 50004 Std

    1 in stock 1-2 business days

    Works standard 78mm bore cylinder designed for KTM 250 and Husaberg FE 250 models. This direct bolt-on replacement requires no replating and features Nickel Silicon Carbide plating for durability and performance. Features Ready-to-install, direct bolt-on replacement No replating required Nickel Silicon Carbide plated for long life Manufactured in the U.S.A. Specifications Part Number: 50004 Cylinder Diameter: 78.00mm Displacement: 249cc Included Items (1) Silver aluminum cylinder Installation instructions Vehicle Fitments 2014 KTM 250 EXC-F (Euro) 2014 KTM 250 EXC-F 2013-2015 KTM 250 SX-F 2013-2015 KTM 250 XC-F 2014-2016 KTM 250 XCF-W 2014-2015 Husaberg FE 250 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM SX F 250 2013-2015 HUSQVARNA FE 250 2014-2016 HUSQVARNA FC 250 2014-2015 KTM XC F 250 2013-2015 KTM EXC F 250 2014-2016 KTM XCF W 250 2014

    1 in stock 1-2 business days

    £518.01

  • Gasket Top Kit 08-09 TRX700 105mm, Works Big Bore 11009-G01

    Cylinder Works Gasket Top Kit 08-09 TRX700 105mm, Works Big Bore 11009-G01

    1 in stock 1-2 business days

    Big bore gasket kit designed for the 727cc top-end upgrade on the 2008-2009 Honda TRX700XX. This kit includes all necessary gaskets to ensure a proper seal and compatibility with the big bore cylinder. Features Designed for 727cc big bore applications Ensures a reliable seal for top-end components Direct replacement for OEM gaskets Specifications Part Number: 11009-G01 Compatible with big bore cylinder kits Cross-Reference OEM Part Numbers [Include OEM part numbers if available] Vehicle Fitments 2008 Honda TRX700XX 2009 Honda TRX700XX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX XX 700 2008-2009

    1 in stock 1-2 business days

    £77.37

  • Cylinder Kit 08-09 TRX700 105mm, Works Big Bore 11009-K01 Cylinder Kit 08-09 TRX700 105mm, Works Big Bore 11009-K01

    Cylinder Works Cylinder Kit 08-09 TRX700 105mm, Works Big Bore 11009-K01

    1 in stock 1-2 business days

    Big bore complete cylinder kit designed for the 2008-2009 Honda TRX700XX. This kit provides a direct bolt-on solution, increasing engine displacement to 727cc while maintaining compatibility with stock components. Nickel Silicon Carbide plating ensures durability and long life. Features Direct bolt-on replacement, requiring no replating Nickel Silicon Carbide plated for extended durability Honed to exact size for easy piston installation No additional machine work required for installation Includes all necessary components for a complete installation Specifications Part Number: 11009-K01 +3mm Big Bore Kit, increasing displacement to 727cc Standard compression Includes Vertex piston (#23640) Included Items (1) Cylinder (1) Gasket set (1) Vertex piston (1) Piston pin (2) Circlips (1) Ring set Cross-Reference OEM Part Numbers HONDA: 12100-HP6-A00 Vehicle Fitments 2008 Honda TRX700XX 2009 Honda TRX700XX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX XX 700 2008-2009

    1 in stock 1-2 business days

    £835.54

  • Cylinder Kit 99mm Big Bore 2017-2018 Honda CRF450 Works 11010-K01 Cylinder Kit 99mm Big Bore 2017-2018 Honda CRF450 Works 11010-K01

    Cylinder Works Cylinder Kit 99mm Big Bore 2017-2018 Honda CRF450 Works 11010-K01

    1 in stock 1-2 business days

    Big bore cylinder kit engineered to increase engine displacement for improved power and performance while maintaining compatibility with existing engine components. Precision-machined for durability and reliable operation under off-road conditions. Features Increases engine displacement for improved performance Direct replacement for the OEM cylinder Precision-machined for durability and reliability Compatible with stock and performance engine components Specifications Configuration: Big bore cylinder Application: Off-road Cross Reference Numbers 11010-K01 Vehicle Fitments 2017 Honda CRF450R 2018 Honda CRF450R 2017 Honda CRF450RX 2018 Honda CRF450RX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF RX 450 2017-2018 HONDA CRF R 450 2017-2018

    1 in stock 1-2 business days

    £867.60

  • Cylinder 96mm Bore Honda CRF 450 R 17-26 Cylinderworks 10010 Cylinder 96mm Bore Honda CRF 450 R 17-26 Cylinderworks 10010

    Cylinder Works Cylinder 96mm Bore Honda CRF 450 R 17-26 Cylinderworks 10010

    1 in stock 1-2 business days

    Cylinder Works standard bore cylinder for Honda CRF 450 models, intended as a replacement cylinder for 4-cycle 450 cc engines. This standard bore unit is specified with a 96 mm cylinder diameter and is suitable for the listed CRF 450 R, RWE, and RX applications. Features Standard bore cylinder Replacement cylinder for top-end engine servicing Specifications Cylinder diameter: 96 mm Displacement: 450 cc Engine type: 4-cycle Cylinder kit type: standard bore Vehicle Fitments Honda CRF 450 R (2017-2026) Honda CRF 450 RWE (2019-2026) Honda CRF 450 RX (2017-2026)

    1 in stock 1-2 business days

    £370.32

  • Cylinder Kit 21-25 CRF450 96mm, Cylinderworks 10010-K03 Cylinder Kit 21-25 CRF450 96mm, Cylinderworks 10010-K03

    Cylinder Works Cylinder Kit 21-25 CRF450 96mm, Cylinderworks 10010-K03

    Out of stock

    Cylinder Works standard bore cylinder kit for Honda CRF 450 models, designed as a replacement top-end assembly for 4-cycle 450 cc engines. This kit includes the cylinder, piston kit, and top end gasket kit, and is specified with a 96 mm cylinder diameter, 13.5:1 compression ratio, and compatibility with Vertex piston reference 24367. Features Standard bore cylinder kit Replacement top-end assembly Includes cylinder, piston kit, and top end gasket kit Uses Vertex #24367 Specifications Cylinder diameter: 96 mm Compression ratio: 13.5:1 Displacement: 450 cc Engine type: 4-cycle Cylinder kit type: standard bore Vehicle Fitments Honda CRF 450 R (2021-2025) Honda CRF 450 RWE (2021-2025) Honda CRF 450 RX (2021-2025)

    Out of stock

    £637.49

  • Cylinder Kit 19-20 CRF450 96mm, Cylinderworks 10010-K02 Cylinder Kit 19-20 CRF450 96mm, Cylinderworks 10010-K02

    Cylinder Works Cylinder Kit 19-20 CRF450 96mm, Cylinderworks 10010-K02

    1 in stock 1-2 business days

    Cylinder Works standard bore cylinder kit for Honda CRF 450 models, designed as a replacement top-end assembly for 4-cycle 450 cc engines. This kit includes the cylinder, piston kit, and top-end gasket kit, and is specified with a 96 mm cylinder diameter, 13.5:1 compression ratio, and compatibility with Vertex piston reference 24367. Features Standard bore cylinder kit Replacement top-end assembly Includes cylinder, piston kit, and top-end gasket kit Uses Vertex #24367 Specifications Cylinder diameter: 96 mm Compression ratio: 13.5:1 Displacement: 450 cc Engine type: 4-cycle Cylinder kit type: standard bore Vehicle Fitments Honda CRF 450 R (2019-2020) Honda CRF 450 RWE (2019-2020) Honda CRF 450 RX (2019-2020)

    1 in stock 1-2 business days

    £637.49

  • Cylinder Kit 17-18 CRF450 96mm, Cylinderworks 10010-K01 Cylinder Kit 17-18 CRF450 96mm, Cylinderworks 10010-K01

    Cylinder Works Cylinder Kit 17-18 CRF450 96mm, Cylinderworks 10010-K01

    1 in stock 1-2 business days

    Standard bore cylinder kit designed for the 2017-2018 Honda CRF 450R and CRF 450RX models. This kit provides a direct replacement for the original cylinder, ensuring optimal engine performance and durability. Features Direct replacement for the OEM cylinder Maintains factory bore size for compatibility with standard pistons and components Precision-machined for reliable performance and longevity Specifications Part Number: 10010-K01 Standard bore size Compatible with stock engine components Cross-Reference OEM Part Numbers [Include OEM part numbers if available] Vehicle Fitments 2017 Honda CRF 450R 2018 Honda CRF 450R 2017 Honda CRF 450RX 2018 Honda CRF 450RX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF RX 450 2017-2018 HONDA CRF R 450 2017-2018 HONDA CRF R 450 2017-2019 HONDA CRF RX 450 2017-2021 HONDA CRF R 450 2017-2021

    1 in stock 1-2 business days

    £690.97

  • Cylinder Kit YFM700R 2015-2018 Yamaha Yfm 700 R Big Bore 105mm 21004-K02

    Cylinder Works Cylinder Kit YFM700R 2015-2018 Yamaha Yfm 700 R Big Bore 105mm 21004-K02

    2 in stock 1-2 business days

    Cylinder Works +3mm Big Bore Cylinder Kit for the 2015-2018 Yamaha YFM700R Raptor increases displacement to 727cc. This direct bolt-on upgrade requires no re-plating and includes a matched Vertex piston for durability and performance. 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: +3mm Displacement: 727cc Compression Ratio: 9.2:1 Uses Vertex Piston #23967 Vehicle Fitments 2015 Yamaha YFM700 Raptor 2016 Yamaha YFM700 Raptor 2017 Yamaha YFM700 Raptor 2018 Yamaha YFM700 Raptor 2015 Yamaha YFM700R Raptor 2016 Yamaha YFM700R Raptor 2017 Yamaha YFM700R Raptor 2018 Yamaha YFM700R Raptor 2015 Yamaha YFM700RSE Raptor Special Edition 2016 Yamaha YFM700RSE Raptor Special Edition 2017 Yamaha YFM700RSE Raptor Special Edition 2018 Yamaha YFM700RSE Raptor Special Edition Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFM R RAPTOR 700 2006-2014 YAMAHA YFM RAPTOR 700 2006-2014 YAMAHA YFM RAPTOR 700 2015-2018 YAMAHA YFM R RAPTOR 700 2015-2017

    2 in stock 1-2 business days

    £989.03

  • Complete Cylinder Kit 06-14 Yamaha YFM700R Se Sp 700 Cylinder Works 21004-K01 +3mm 727cc

    Cylinder Works Complete Cylinder Kit 06-14 Yamaha YFM700R Se Sp 700 Cylinder Works 21004-K01 +3mm 727cc

    2 in stock 1-2 business days

    Cylinder Works +3mm Big Bore Complete Cylinder Kit for the 2006-2014 Yamaha YFM700R Raptor increases displacement to 727cc. This direct bolt-on upgrade requires no re-plating and includes a matched Vertex piston for durability and performance. 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 cylinders do not require additional machine work (unless specified) Includes all necessary components for installation Included Items Cylinder Piston assembly Top-end gasket set Specifications Bore: +3mm Displacement: 727cc Compression Ratio: 9.2:1 Uses Vertex Piston #23626 Cross-Reference OEM Part Numbers YAMAHA: 1S3-11310-00-00 YAMAHA: 1S3-11310-01-00 Vehicle Fitments 2006 Yamaha YFM700R Raptor 2006 Yamaha YFM700RSP Raptor 50th Anniversary Edition 2007 Yamaha YFM700R Raptor 2007 Yamaha YFM700RSE Raptor Special Edition 2007 Yamaha YFM700RSE2 Raptor Special Edition 2 2007 Yamaha YFM700RSP Raptor 50th Anniversary Edition 2007 Yamaha YFM700RSP2 Raptor Special Edition 2 2008 Yamaha YFM700R Raptor 2008 Yamaha YFM700RSP Raptor Special Edition 2008 Yamaha YFM700RSP2 Raptor Special Edition 2 2009 Yamaha YFM700R Raptor 2009 Yamaha YFM700RSE Raptor Special Edition 2010 Yamaha YFM700RSE Raptor Special Edition 2011 Yamaha YFM700R Raptor 2011 Yamaha YFM700RSE Raptor Special Edition 2012 Yamaha YFM700R Raptor 2012 Yamaha YFM700RSE Raptor Special Edition 2013 Yamaha YFM700R Raptor 2013 Yamaha YFM700RSE Raptor Special Edition 2014 Yamaha YFM700 Raptor 2014 Yamaha YFM700R Raptor 2014 Yamaha YFM700RSE Raptor Special Edition Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFM R RAPTOR 700 2006-2014 YAMAHA YFM RAPTOR 700 2006-2014 YAMAHA YFM RAPTOR 700 2015-2018 YAMAHA YFM R RAPTOR 700 2015-2017

    2 in stock 1-2 business days

    £989.03

  • Gasket Top Kit KTM 16-18 SXF250 81mm, Works Big Bore 51006-G01, 860VG810036

    Cylinder Works Gasket Top Kit KTM 16-18 SXF250 81mm, Works Big Bore 51006-G01, 860VG810036

    1 in stock 1-2 business days

    Cylinder Works +3mm Big Bore Top-End Gasket Kit for the 2016-2017 Husqvarna FC 250, 2016-2018 KTM 250 SX-F, and 2016-2017 KTM 250 XC-F is designed for use with +3mm big bore cylinders. This kit includes all necessary gaskets for a proper top-end rebuild. Features Designed for +3mm big bore applications Ensures proper sealing for top-end rebuilds Includes head, base, exhaust, and cam chain tensioner gaskets Specifications Application: +3mm big bore top-end gasket kit Cross-Reference OEM Part Numbers Not specified Vehicle Fitments 2016 Husqvarna FC 250 2017 Husqvarna FC 250 2016 KTM 250 SX-F 2017 KTM 250 SX-F 2018 KTM 250 SX-F 2016 KTM 250 XC-F 2017 KTM 250 XC-F Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM XC F 250 2016-2018 KTM SX F 250 2016-2019 HUSQVARNA FC 250 2016-2019

    1 in stock 1-2 business days

    £142.77

  • Cylinder Kit KTM 16-22 SXF250 81mm, Works Big Bore 51006-K01 Cylinder Kit KTM 16-22 SXF250 81mm, Works Big Bore 51006-K01

    Cylinder Works Cylinder Kit KTM 16-22 SXF250 81mm, Works Big Bore 51006-K01

    1 in stock 1-2 business days

    Cylinder Works Big Bore Cylinder Kit for KTM, Husqvarna, and GasGas 250cc models increases displacement with an 81mm bore. This direct bolt-on upgrade is designed for enhanced performance and reliability while maintaining OEM fitment. Features Direct bolt-on installation with no additional machining required Increases bore size for enhanced performance Matches OEM specifications for fit and compatibility Specifications Bore: 81mm Cross-Reference OEM Part Numbers Not specified Vehicle Fitments 2016-2022 KTM 250 SX-F 2015-2017 KTM 250 SX-F Factory 2016-2022 KTM 250 XC-F 2021-2022 KTM EX 250 F 2021-2022 GasGas MC 250 F 2016-2022 Husqvarna FC 250 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM XC F 250 2016-2018 KTM SX F 250 2016-2019 HUSQVARNA FC 250 2016-2019

    1 in stock 1-2 business days

    £1,014.54

  • Cylinder Only KTM 16-18 SXF250 78mm, Cylinder Works 50006 Std Cylinder Only KTM 16-18 SXF250 78mm, Cylinder Works 50006 Std

    Cylinder Works Cylinder Only KTM 16-18 SXF250 78mm, Cylinder Works 50006 Std

    2 in stock 1-2 business days

    Cylinder Works Standard Bore 78mm Cylinder for the 2016-2017 Husqvarna FC 250, 2016-2018 KTM 250 SX-F, and 2016-2017 KTM 250 XC-F is a direct bolt-on replacement. Designed to match OEM specifications, this cylinder ensures reliable performance and durability. Features Direct bolt-on replacement Matches OEM specifications for fit and performance Specifications Bore: 78mm Cross-Reference OEM Part Numbers 79030038000 Vehicle Fitments 2016 Husqvarna FC 250 2017 Husqvarna FC 250 2016 KTM 250 SX-F 2017 KTM 250 SX-F 2018 KTM 250 SX-F 2016 KTM 250 XC-F 2017 KTM 250 XC-F Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM XC F 250 2016-2018 KTM XC F 250 2016-2019 KTM SX F 250 2016-2019 HUSQVARNA FC 250 2016-2019 KTM XC F 250 2016-2021 KTM SX F 250 2016-2021 HUSQVARNA FC 250 2016-2021

    2 in stock 1-2 business days

    £529.54

  • Cylinder Kit Big Bore 2009-2018 Yamaha YFZ450R Works Cylinder 21003-K02

    Cylinder Works Cylinder Kit Big Bore 2009-2018 Yamaha YFZ450R Works Cylinder 21003-K02

    1 in stock 1-2 business days

    Cylinder Works +3mm Big Bore Complete Cylinder Kit for the 2009-2018 Yamaha YFZ450R and 2010-2011 Yamaha YFZ450X increases displacement to 478cc. This direct bolt-on upgrade requires no re-plating and includes all necessary components for installation, featuring a matched Vertex piston for durability and performance. 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 cylinders do not require additional machine work (unless specified) Includes all necessary components for installation Included Items Cylinder Piston assembly Top-end gasket set Specifications Bore: +3mm Displacement: 478cc Uses Vertex Piston #23403 Cross-Reference OEM Part Numbers YAMAHA: 2S2-11311-10-00 Vehicle Fitments 2009 Yamaha YFZ450R 2010 Yamaha YFZ450R 2011 Yamaha YFZ450R 2012 Yamaha YFZ450R 2013 Yamaha YFZ450R 2014 Yamaha YFZ450R 2015 Yamaha YFZ450R 2016 Yamaha YFZ450R 2017 Yamaha YFZ450R 2018 Yamaha YFZ450R 2009 Yamaha YFZ450RSE Special Edition 2010 Yamaha YFZ450RSE Special Edition 2011 Yamaha YFZ450RSE Special Edition 2012 Yamaha YFZ450RSE Special Edition 2013 Yamaha YFZ450RSE Special Edition 2014 Yamaha YFZ450RSE Special Edition 2015 Yamaha YFZ450RSE Special Edition 2016 Yamaha YFZ450RSE Special Edition 2017 Yamaha YFZ450RSE Special Edition 2018 Yamaha YFZ450RSE Special Edition 2010 Yamaha YFZ450X 2011 Yamaha YFZ450X 2010 Yamaha YFZ450XBB Bill Balance Edition 2011 Yamaha YFZ450X SE Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFZ BILL BALANCE EDITION 450 2010 YAMAHA YFZ X 450 2010-2021 YAMAHA YFZ R 450 2009-2017 YAMAHA YFZ S 450 2004-2011

    1 in stock 1-2 business days

    £685.18

  • Gasket Top Kit YZF250 14-18, Works Cylinder 21010-G01 80mm, WRF250 2015-2018 270 860VG810023 Gasket Top Kit YZF250 14-18, Works Cylinder 21010-G01 80mm, WRF250 2015-2018 270 860VG810023

    Cylinder Works Gasket Top Kit YZF250 14-18, Works Cylinder 21010-G01 80mm, WRF250 2015-2018 270 860VG810023

    1 in stock 1-2 business days

    Cylinder Works +3mm Big Bore Top-End Gasket Kit for the 2014-2018 Yamaha YZ250F and 2015-2018 Yamaha WR250F is designed for use with +3mm big bore cylinders. This kit includes all necessary gaskets for a proper top-end rebuild. Features Designed for +3mm big bore applications Ensures proper sealing for top-end rebuilds Includes head, base, exhaust, and cam chain tensioner gaskets Specifications Application: +3mm big bore top-end gasket kit Vehicle Fitments 2014 Yamaha YZ250F 2015 Yamaha YZ250F 2016 Yamaha YZ250F 2017 Yamaha YZ250F 2018 Yamaha YZ250F 2015 Yamaha WR250F 2016 Yamaha WR250F 2017 Yamaha WR250F 2018 Yamaha WR250F Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 250 2014-2018 YAMAHA WR F 250 2015-2018 YAMAHA YZ FX 250 2015-2017

    1 in stock 1-2 business days

    £110.19

  • Cylinder Kit 80mm 2014-2018 Yamaha YZF250 2015-2018 WRF250 270 Works Cylinder 21010-K01 Cylinder Kit 80mm 2014-2018 Yamaha YZF250 2015-2018 WRF250 270 Works Cylinder 21010-K01

    Cylinder Works Cylinder Kit 80mm 2014-2018 Yamaha YZF250 2015-2018 WRF250 270 Works Cylinder 21010-K01

    2 in stock 1-2 business days

    Cylinder Works +3mm Big Bore Cylinder Kit for the 2014-2018 Yamaha YZ250F and 2015-2018 Yamaha WR250F increases displacement to 269cc. This direct bolt-on upgrade requires no re-plating and includes a matched Vertex piston for durability and performance. 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 Includes cylinder, piston, rings, pin, clips, and top-end gasket kit Big bore cylinder kits do not require additional machine work Included Items Cylinder Piston Piston rod Two circlips Piston ring set Gasket set, including: Base gasket Engine case gasket Exhaust gasket Head gasket Specifications Bore: 80mm (+3mm) Displacement: 269cc Compression Ratio: 13.5:1 Uses Vertex Piston #23943 Vehicle Fitments 2014 Yamaha YZ250F 2015 Yamaha YZ250F 2016 Yamaha YZ250F 2017 Yamaha YZ250F 2018 Yamaha YZ250F 2015 Yamaha WR250F 2016 Yamaha WR250F 2017 Yamaha WR250F 2018 Yamaha WR250F 2015 Yamaha YZ250FX 2016 Yamaha YZ250FX 2017 Yamaha YZ250FX 2018 Yamaha YZ250FX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 250 2014-2018 YAMAHA WR F 250 2015-2018 YAMAHA YZ FX 250 2015-2017

    2 in stock 1-2 business days

    £816.11

  • Cylinder Only YZF250 14-18, Works Cylinder 20010 77mm, WRF250 2015-2018 Cylinder Only YZF250 14-18, Works Cylinder 20010 77mm, WRF250 2015-2018

    Cylinder Works Cylinder Only YZF250 14-18, Works Cylinder 20010 77mm, WRF250 2015-2018

    Out of stock

    Cylinder Works Standard 77mm Bore Cylinder for the 2014-2018 Yamaha YZ250F, 2015-2018 Yamaha WR250F, and 2015-2017 Yamaha YZ250FX is a direct bolt-on replacement requiring no re-plating. Designed to match OEM specifications, it features Nickel Silicon Carbide plating for durability and performance. Features Direct bolt-on replacement with no re-plating required Nickel Silicon Carbide plated for extended lifespan Big bore cylinders do not require additional machine work (unless specified) Manufactured in the U.S.A. Specifications Bore: 77mm Cross-Reference OEM Part Numbers YAMAHA: 1SM-11311-00-00 Vehicle Fitments 2014 Yamaha YZ250F 2015 Yamaha YZ250F 2016 Yamaha YZ250F 2017 Yamaha YZ250F 2018 Yamaha YZ250F 2015 Yamaha WR250F 2016 Yamaha WR250F 2017 Yamaha WR250F 2018 Yamaha WR250F 2015 Yamaha YZ250FX 2016 Yamaha YZ250FX 2017 Yamaha YZ250FX 2018 Yamaha YZ250FX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 250 2014-2018 YAMAHA WR F 250 2015-2018 YAMAHA YZ FX 250 2015-2017 YAMAHA WR F 250 2015-2017 YAMAHA YZ F 250 2014-2015 YAMAHA YZ F 250 2016-2018

    Out of stock

    £428.51

  • Gasket Top Kit YZF450 14-17 99mm, Works Cylinder 21005-G02 Big Bore

    Cylinder Works Gasket Top Kit YZF450 14-17 99mm, Works Cylinder 21005-G02 Big Bore

    1 in stock 1-2 business days

    Cylinder Works +2mm Big Bore Top-End Gasket Kit for the 2014-2017 Yamaha YZ450F, 2016-2018 Yamaha WR450F, and 2016-2018 Yamaha YZ450FX is designed for use with +2mm big bore cylinders. This kit includes all necessary gaskets for a proper top-end rebuild. Features Designed for +2mm big bore applications Ensures proper sealing for top-end rebuilds Includes head, base, exhaust, and cam chain tensioner gaskets Specifications Application: +2mm big bore top-end gasket kit 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 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ FX 450 2016-2018 YAMAHA YZ F 450 2010-2013 YAMAHA WR F 450 2016-2018 YAMAHA YZ F 450 2014-2017

    1 in stock 1-2 business days

    £121.57

  • Cylinder Kit YZF450 14-17 99mm, Works Cylinder 21005-K02 Big Bore

    Cylinder Works Cylinder Kit YZF450 14-17 99mm, Works Cylinder 21005-K02 Big Bore

    1 in stock 1-2 business days

    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 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ FX 450 2016-2018 YAMAHA YZ F 450 2010-2013 YAMAHA WR F 450 2016-2018 YAMAHA YZ F 450 2014-2017 YAMAHA YZF 450 2014-2016

    1 in stock 1-2 business days

    £882.17

  • Cylinder Only YZF450 10-17, Works Cylinder 20005 2010-2016, 97cc WRF450 2010 - 2017 Yamaha YZ 450F Cylinder Only YZF450 10-17, Works Cylinder 20005 2010-2016, 97cc WRF450 2010 - 2017 Yamaha YZ 450F

    Cylinder Works Cylinder Only YZF450 10-17, Works Cylinder 20005 2010-2016, 97cc WRF450 2010 - 2017 Yamaha YZ 450F

    3 in stock 1-2 business days

    Cylinder Works 97mm Standard Bore Cylinder for the 2010-2018 Yamaha YZ450F, 2016-2018 Yamaha WR450F, and 2016-2018 Yamaha YZ450FX is a direct bolt-on replacement that requires no re-plating. Designed to match OEM specifications, it features Nickel Silicon Carbide plating for durability and is honed to exact size for easy piston installation. Features Direct bolt-on replacement with no re-plating required Nickel Silicon Carbide plated for extended lifespan Honed to exact size for easy piston installation Specifications Bore: 97mm Cross-Reference OEM Part Numbers YAMAHA: 33D-11311-00-00 Vehicle Fitments 2010 Yamaha YZ450F 2011 Yamaha YZ450F 2012 Yamaha YZ450F 2013 Yamaha YZ450F 2014 Yamaha YZ450F 2015 Yamaha YZ450F 2016 Yamaha YZ450F 2017 Yamaha YZ450F 2018 Yamaha YZ450F 2016 Yamaha WR450F 2017 Yamaha WR450F 2018 Yamaha WR450F 2016 Yamaha YZ450FX 2017 Yamaha YZ450FX 2018 Yamaha YZ450FX Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ FX 450 2016-2018 YAMAHA YZ F 450 2010-2013 YAMAHA WR F 450 2016-2018 YAMAHA YZ F 450 2014-2017 YAMAHA YZF 450 2010-2016

    3 in stock 1-2 business days

    £538.42

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