ORO2U Dirt Catalogue - Section E - Engine and Performance.

Cylinder Works

Cylinder Kits

Standard Cylinder Only

Standard Bore Cylinder Kit

Big Bore Cylinder Kit

KAWASAKI

Models 2-Stroke

Years cc.

Dia.

Part No.

cc.

Dia.

Part No. 56-K163

cc.

Dia.

Oversize Part No.

KX 85

2001 - 13

85

48.5mm

.485.KIT

Models 4-Stroke

Years cc.

Dia.

Part No.

cc.

Dia.

Part No.

cc.

Dia.

Part No. 56-K104

270 80mm +3mm Uses Vertex Piston Kit: 23405 270 80mm +3mm Uses Vertex Piston Kit: 23405 270 80mm +3mm Uses Vertex Piston Kit: 23680 270 80mm +3mm Uses Vertex Piston Kit: 23654 270 80mm +3mm Uses Vertex Piston Kit: 24032 270 80mm +3mm Uses Vertex Piston Kit: 24237 270 81mm +3mm Uses Vertex Piston Kit: 24637

.80.CKW

KX 250F

2004 - 08 249 77mm

.77.CW

56-K104

.80.CKW1

56-K145

KX 250F

2009

.80.CKW2

56-K145

KX 250F

2010

.80.CKW1

56-K146

KX 250F

2011 - 14 249 77mm

.77.CW

56-K146

.80.CKW2

56-K146

KX 250F

2015 - 16 249 77mm

.77.CW

56-K146

.80.CKW

56-K193

KX 250F

2017 - 19

CW31016K01**

KX 250F

2020

CW31017K01** CW31017K01**

KX 250 / X KX 250 / X KX 250 / X KX 450 F

2021 - 22 250 78mm 2023 - 24 250 78mm

.78.CYL.CW 250 78mm .78.CYL.CW 250 78mm

.78.CK1.CW 270 81mm +3mm .78.CK2.CW 270 81mm +3mm

56-K313 56-K313 56-K313 56-K147

56-K313 56-K313

2025 - 26

250 78mm

.78.CYL.CW

2009 - 15 449 96mm

.096.CW

470 98mm +2mm

.098.CKW

56-K147

**Please note these items are By Order Only

Standard Cylinder Only

Standard Bore Cylinder Kit

Big Bore Cylinder Kit

KTM Models 2-Stroke

Years cc. 2009 - 23 50 2009 - 23 50

Dia.

Part No.

cc.

Dia.

Part No.

cc.

Dia.

Oversize Part No.

50 SX

39mm 39mm 39mm 39mm 45mm 45mm 45mm 47mm

.395.CYL.CW 50 .395.CYL.CW 50 .395.CYL.CW 50 .395.CYL.CW 50

39mm 39mm 39mm 39mm

.395.CK.CW .395.CK.CW .395.CK.CW .395.CK.CW

56-K2915 56-K2915 56-K2915 56-K2915 56-K195 56-K195 56-K195 56-K290 56-K1991 56-K1991 56-K1991 56-K203 56-K203 56-K203 56-K203 56-K203 56-K203

56-K2915 56-K2915 56-K2915 56-K2915

50 SX Mini 50 SX Pro Jr

2009

50

50 SXS

2011 - 14 50 2009 - 23 65 2013 - 14 65

65 SX

.45.CKW .45.CKW .45.CKW

65 SXS 65 XC 85 SX 125 SX 125 SX 125 XC

2009

65

2018 - 25 85

.47.CYL.CW 85

47mm

.47.CK.CW

56-K290

2016 - 17 125 54mm 2018 - 22 125 54mm 2021 - 22 125 54mm 2020 - 22 300 72mm

.54.CW 125 54mm .54.CW 125 54mm .54.CW 125 54mm

.54.CWK1 .54.CWK2 .54.CWK2

56-K1991 56-K1991 56-K1991 56-K203 56-K203 56-K203 56-K203 56-K203 56-K203

300 EXC TPI

.72.CYL.CW 300 72mm .72.CYL.CW 300 72mm .72.CYL.CW 300 72mm .72.CYL.CW 300 72mm .72.CYL.CW 300 72mm .72.CYL.CW 300 72mm

.72.CK.CW .72.CK.CW .72.CK.CW .72.CK.CW .72.CK.CW .72.CK.CW

300 EXC TPI Erzbergrodeo 2022

300 72mm

300 XC TPI

2020 - 22 300 72mm 2020 - 23 300 72mm

300 XC-W TPI

300 XC-W TPI Erzbergrodeo 2020 - 23 300 72mm

300 XC-W TPI Six Days

2020 - 21 300 72mm

*Please visit our website for current prices E107

E-mail: sales@oro2u.com

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