ORO2U Dirt Catalogue - Section E - Engine and Performance.

Cylinder Kits

Athena

Athena Cylinder Kits • Bolt on kit, no machining required • Aluminum cylinder with nickel-carbide coating • Complete piston kit, rings, circlips • Complete top end gasket kit • Easy to follow step-by-step installation instructions • Available for late model 4-strokes and some 2 strokes

KAWASAKI

Standard Bore Cylinder Kit

Big Bore Cylinder Kit

Easy Cylinder

Models 2-Stroke

Years cc.

Dia.

Part No.

cc.

Dia.

Part No. 56-K120

cc.

Dia.

Oversize Part No.

2002 - 26 2003 - 07

KX 65

65

44.5mm

.445.CKA

80

50mm +5.5mm

.50.KIT .58.KIT

56-K120 56-K122

KX 125

125 54mm

.54.K.A

144 58mm +4mm

56-K122

KAWASAKI

Standard Bore Cylinder Kit

Big Bore Cylinder Kit

Easy Cylinder

Models 4-Stroke

Years cc.

Dia.

Part No.

cc.

Dia.

Part No.

cc.

Dia.

Oversize Part No.

KLX 110 KX 250F KX 250F KX 250F KX 250F KX 250F KX 250F KX 250F KX 250 KX 250 KX 250 KX 250 KX 250X KX 250X KX 250X KLX 400 KLX 450R KX 450F KX 450F KX 450F KX 450F

2003 - 09

130 57mm

.57.KIT .83.KIT .83.KIT .83.KIT .83.KIT .83.KIT .83.KIT .83.CKA

56-K121 56-K104 56-K104 56-K145 56-K146 56-K166 56-K166 56-K193

2004 - 05 250 77mm 2006 - 08 250 77mm 2009 - 10 250 77mm 2011 - 12 250 77mm 2013 - 14 250 77mm 2015 - 16 250 77mm 2017 - 19 250 77mm

.77.CGA 250 77mm .77.CGA 250 77mm .77.CGA 250 77mm .77.CGA 250 77mm .77.CGA 250 77mm .77.CGA 250 77mm .77.CGA 250 77mm .78.CGA 250 78mm .078.CGA 250 78mm .078.CGA 250 78mm .078.CGA 250 78mm .078.CGA 250 78mm .078.CGA 250 78mm .078.CGA 250 78mm .90.CGA 400 90mm .096.CGA 450 96mm .096.CGA 450 96mm .096.CGA 450 96mm .096.CGA 450 96mm .96.CGA 450 96mm

.77.CKA .77.CKA .77.CKA .77.CKA .77.CKA .77.CKA .77.CKA .78.CKA .78.CKA .78.CKA .78.CKA .78.CKA .78.CKA .78.CKA .90.CKA .096.CKA .096.CKA .096.CKA .096.K15 .96.CKA

290 83mm +6mm 290 83mm +6mm 290 83mm +6mm 290 83mm +6mm 290 83mm +6mm 290 83mm +6mm 290 83mm +6mm

56-K104 56-K104 56-K145 56-K146 56-K146 56-K166 56-K193 56-K240 56-K313 56-K313 56-K313 56-K313 56-K313 56-K313 56-K112 56-K124 56-K124 56-K147 56-K147 56-K237

56-K104 56-K175 56-K145 56-K146 56-K146 56-K166 56-K193 56-K240 56-K313 56-K313 56-K315 56-K313 56-K313 56-K315 56-K112 56-K124 56-K124 56-K147 56-K147 56-K237

2020

250 78mm

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

296 85mm +7mm 296 85mm +7mm

.85.KIT .85.KIT

56-K313 56-K315

2025 - 26

250 78mm

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

296 85mm +7mm 296 85mm +7mm 435 94mm +4mm 490 100mm +4mm 490 100mm +4mm 490 100mm +4mm 490 100mm +4mm 490 100mm +4mm

.85.KIT .85.KIT .94.CKA .100.KIT .100.KIT .100.KIT .100.KIT .100.CKA

56-K313 56-K315 56-K112 56-K124 56-K124 56-K147 56-K147 56-K187

2025 - 26

250 78mm

2003 - 06 400 90mm 2008 - 17 450 96mm 2006 - 08 450 96mm 2009 - 14 450 96mm

2015

450 96mm

2016 - 18 450 96mm

*Please visit our website for current prices E100

www.oro2u.com

Tel: 01597 822 666

Fax: 01597 825 224

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