Cylinder Kits
Cylinder Works
Cylinder Works Cylinder Kits An alternative to costly OEM cylinders or the time consuming process of re-plating existing cylinders, Cylinder Works offers enthusiasts access to a complete line of OEM quality dirt bike and ATV replacement cylinders and cylinder kits. In addition to standard bore, stock compression replacement cylinder kits. Each kit comes complete with the piston, rings, and gaskets to get back on the track or trail quickly. The quality of a cylinder is only as good as the manufacturing. Each Cylinder Works cylinder is designed, machined, inspected for quality and matched to its components right at out home facility in Urbandale, Iowa. Cylinder Works OEM Replacement Cylinders & Cylinder Kits Each Cylinder Works replacement cylinder is: Stock in appearance, Precision honed, Nickel silicon carbide plated, OEM quality without the OEM price. Cylinder Works replacement cylinder kits also contain: Gaskets and seals needed for installation, Hand fitted, premium-quality Vertex piston kit complete with piston rings, pin and circlips.
Standard Cylinder Only
Standard Bore Cylinder Kit
Big Bore Cylinder Kit
KTM Models 4-Stroke
Years cc.
Dia.
Part No.
cc.
Dia.
Part No.
cc.
Dia.
Part No.
51002-K01**
276 80mm +4mm Uses Vertex Piston Kit: 23274
250 EXC-F
2007
249 76mm 56-K128.76.CW
CW50015** CW50015**
CW50015K01** CW50015K01**
250 EXC-F
2024 - 25 250 81mm 2024 - 25 250 81mm
250 81mm 250 81mm
250 EXC-F Six Days
51002-K01**
276 80mm +4mm Uses Vertex Piston Kit: 23274
50002-K01**
250 SX-F
2005 - 12 249 76mm 56-K128.76.CW 249 76mm
270 81mm +3mm 56-K190.81.CKW Uses Vertex Piston Kit: 23867 270 81mm +3mm 56-K178.81.CKW Uses Vertex Piston Kit: 24142
50004-K01**
250 SX-F
2013 - 15 249 78mm 56-K190.78.CW 250 78mm
50006-K01**
250 SX-F
2016 - 22 250 78mm 56-K178.78.CW 250 78mm
CW50015** CW50015**
CW50015K01** CW50015K01**
250 SX-F
2023 - 25 250 81mm
250 81mm 250 81mm
250 SX-F Adamo Edition
2025
250 81mm
270 81mm +3mm 56-K178.81.CKW Uses Vertex Piston Kit: 24142
50006-K01**
250 SX-F Factory
2015 - 17 250 78mm 56-K178.78.CW 250 78mm
CW50015** CW50015** CW50015**
CW50015K01** CW50015K01**
250 SX-F Factory 250 SX-F Factory 250 SX-F Factory
2022 2024 2025
250 81mm 250 81mm 250 81mm
250 81mm 250 81mm
250 SXS-F
2006 - 08 249 76mm 56-K128.76.CW
51002-K01**
276 80mm +4mm Uses Vertex Piston Kit: 23274
50002-K01**
250 XC-F
2006 - 12 249 76mm 56-K128.76.CW 249 76mm
270 81mm +3mm 56-K190.81.CKW Uses Vertex Piston Kit: 23867 270 81mm +3mm 56-K178.81.CKW Uses Vertex Piston Kit: 24142
50004-K01**
250 XC-F
2013 - 15 249 78mm 56-K190.78.CW 250 78mm
50006-K01**
250 XC-F
2016 - 22 250 78mm 56-K178.78.CW 250 78mm
CW50015**
CW50015K01**
250 XC-F
2023 - 25 250 81mm
250 81mm
51001-K01**
365 90mm +2mm Uses Vertex Piston Kit: 23656 366 90mm +2mm Uses Vertex Piston Kit: 23656
50001-K01**
350 SX-F / XC-F
2011 - 12 350 88mm 56-K152.88.CW1
350 88mm
51003-K01**
50003-K01**
350 SX-F / XC-F
2013 - 15 350 88mm 56-K152.88.CW2
350 88mm
366 90mm +2mm 56-K191.90.CKW Uses Vertex Piston Kit: 24238
50007**
50007-K03**
350 SX-F / XC-F
2016 - 18 350 88mm
350 88mm
CW51008K01**
366 90mm +2mm Uses Vertex Piston Kit: 24238 366 90mm +2mm Uses Vertex Piston Kit: 24238
350 SX-F / XC-F
2019 - 22 350 88mm 56-K2917.88.CYL.CW 350 88mm 56-K2917.88.CK.CW
CW51008K01**
350 XCF-W
2020 - 22 350 88mm 56-K2917.88.CYL.CW 350 88mm 56-K2917.88.CK.CW
CW50009K02** CW50009K02**
450 EXC-F
2017 - 21 2017 - 19
450 95mm 450 95mm
450 EXC-F Six Days
450 SMR
2021 - 22 450 95mm 56-K2918.95.CYL.CW 450 95mm 56-K2918.95.CK.CW 2016 - 22 450 95mm 56-K2918.95.CYL.CW 450 95mm 56-K2918.95.CK.CW
450 SX-F / XC-F 450 SX-F / XC-F 450 SX-F Factory 450 SX-F Factory 450 SX-F Factory
CW50009K03**
2023
450 95mm 56-K2918.95.CYL.CW 450 95mm
2015 - 20 450 95mm 56-K2918.95.CYL.CW 450 95mm 56-K2918.95.CK.CW
2021 2022
450 95mm 56-K2918.95.CYL.CW
CW50009K03**
450 95mm
500 EXC-F 500 EXC-F 500 EXC-F
2017 - 22 510 95mm 56-K2919.95.CYL.CW 510 95mm 56-K2919.95.CK.CW
2023 - 24 510 95mm 56-K2919.95.CYL.CW
2025
510 95mm 56-K2919.95.CYL.CW
500 EXC-F Six Days 500 EXC-F Six Days 500 EXC-F Six Days
2020 - 22 510 95mm 56-K2919.95.CYL.CW 510 95mm 56-K2919.95.CK.CW
2023 2025
510 95mm 56-K2919.95.CYL.CW 510 95mm 56-K2919.95.CYL.CW
500 XCF-W
2020 - 22 510 95mm 56-K2919.95.CYL.CW 510 95mm 56-K2919.95.CK.CW
**Please note these items are By Order Only
*Please visit our website for current prices E108
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
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