ORO2U Dirt Catalogue - Section E - Engine and Performance.

Piston Kits

Vertex

HONDA Models - 4 Stroke CRF 250RX Std. Comp. 13.8:1 CRF 250RX High Comp. 14.4:1 CRF 250RX High Comp. 14.1:1 CRF 250RX Comp. 13.9:1 (Big Bore) CRF 250RX Comp. 13.9:1 (Big Bore)

Piston Type Years Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

2022 - 23 2022 - 23

79mm 24575A 79mm 24579A 79mm 24580A 81mm 24322A 82mm 24348A

56-R9503.VER 715441 56-R9503.VER 715441 56-R9503.VER 715441 56-R9361.VER 711229 56-R9369.VER 711195

72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72055 72075 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090 72090

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

GP Racer Choice 2022 - 23

2022 - 23 2022 - 23

2004 - 17 78mm 22983A 2004 - 17 78mm 23113A 2004 - 17 79mm 23461A 2004 - 17 80mm 22983200 2004 - 17 81mm 23535A 2004 - 17 84mm 23232600 2004 - 17 85mm 23318700 1996 - 04 85mm 23162 2019 - 20 96mm 24594A 2002 - 03 96mm 22814A 2004 - 08 96mm 23003A 2002 - 08 96mm 22900A 2002 - 08 98mm 22966200 2002 - 08 99mm 23595A 2002 - 08 100mm 22966A 2009 - 12 96mm 23455A 2009 - 12 96mm 23456A

56-R9358.V 56-R9358.V 56-R9359.V 56-R9361.V 56-R9361.V 56-R9362.V 56-R9363.V 56-R9370.V

715380 715380 715380 715380 715380 715380 715380 711163

CRF 250X Std. Comp. 12.9:1 CRF 250X High Comp. 13.4:1

CRF 250X Std. Comp. 13.0:1 (Big Bore) CRF 250X Std. Comp. 13.0:1 (Big Bore) CRF 250X Std. Comp. 13.0:1 (Big Bore)

CRF 250X (Big Bore XL) CRF 250X (Big Bore XXL) XR 400 Std. Comp. 9.3:1

CRF 450L

56-R9393.VER 711144

56-R918.V 56-R918.V 56-R918.V 56-R9374.V 56-R9375.V 56-R9316.V 56-R9376.V 56-R9376.V 56-R9376.V 56-R9375.V 56-R9376.V 56-R9376.V 56-R9376.V 56-R9375.V 56-R9376.V 56-R9376.V 56-R9376.V 56-R9375.V 56-R9376.V 56-R9376.V 56-R9376.V 56-R9375.V 56-R918.V 56-R918.V 56-R9374.V 56-R9375.V 56-R9316.V

711144 711144 711144 711144 711144 711144 711144 711144 711197 711144 711144 711144 711197 711144 711241 711241 711241 711241 715471 711241 711241 711241 711144 711144 711144 711144 711144

CRF 450R - CRE 450X Std. Comp. 11.5:1

CRF 450R Std. Comp. 12.1:1 CRF 450R High Comp. 12.5:1

CRF 450R (Big Bore)

CRF 450R Std. Comp. 12.0:1 (Big Bore XL) CRF 450R Std. Comp. 12.1:1 (Big Bore XXL)

CRF 450R Std. Comp. 12.0:1 CRF 450R High Comp. 12.9:1 CRF 450R High Comp. 13.6:1

GP Racer Choice 2009 - 12 96mm 23731A

2009 - 12 99mm 23534A 2013 - 16 96mm 23855A 2013 - 16 96mm 23856A

CRF 450R Std. Comp. 12.0:1 (Big Bore XL)

CRF 450R Std. Comp. 12.5:1 CRF 450R High Comp.13.2:1 CRF 450R High Comp. 13.6:1

GP Racer Choice 2013 - 16 96mm 23869A

2013 - 16 99mm 23924A 2017 - 18 96mm 24187A 2017 - 18 96mm 24188A

CRF 450R Std. Comp. 13.6:1 (Big Bore) CRF 450R/RX Std. Comp. 13.5:1 CRF 450R/RX High Comp. 14.4:1 CRF 450R/RX High Comp. 13.9:1 CRF 450R/RX High Comp. 13.9:1 (Big Bore)

GP Racer Choice 2017 - 18 96mm 24189A

2017 - 18 99mm 24198A

2019 - 23 2019 - 23

96mm 24367A 96mm 24374A 96mm 24375A 99mm 24198A

CRF 450R/RX Std. Comp. 13.5:1 CRF 450R/RX High Comp. 14.5:1 CRF 450R/RX High Comp. 13.8:1

GP Racer Choice 2019 - 23

2019 - 23

CRF 450R/RX Std. Comp. 13.5:1 (Big Bore)

2005 - 17 96mm 23003A 2005 - 17 96mm 22900A 2005 - 17 98mm 22966200 2005 - 17 99mm 23595A 2005 - 17 100mm 22966A

CRF 450X Std. Comp. 12.1:1 CRF 450X High Comp. 12.5:1

CRF 450X (Big Bore)

CRF 450X Std. Comp. 12.0:1 (Big Bore XL) CRF 450X Std. Comp. 12.1:1 (Big Bore XXL)

HUSABERG Models - 2 Stroke

Piston Type

Years

Size

Piston Kit

Piston Rings 56-R9307.V 56-R9399.V 56-R9312.V 56-R9312.V Piston Rings 56-R9358.V 56-R9358.V 56-R9401.V 56-R9401.V 56-R9400.V 56-R9402.V 56-R9402.V

Piston Pin

Piston Clips

Small End Bearing

TE 125 TE 250 TE 300

2012 - 14 54mm 24234A 2011 - 14 66.4mm 23630A 2011 - 14 72mm 23375A 2011 - 14 72mm 23964A

711127

72071 72048 72048 72048

56-7924.V 56-7924.V 56-7924.V

Race

TE 300 (Single Ring)

Models - 4 Stroke

Piston Type

Years

Size

Piston Kit

Piston Pin

Piston Clips

Small End Bearing

FE 250 Std. Comp. 13.9:1 FE 250 High Comp. 14.3:1 FE 350 Std. Comp. 12.3:1 FE 350 High Comp. 12.8:1

2014 2014 2014 2014

78mm 23757A 78mm 23847A 88mm 23711A 88mm 23641A

715441 715441 715431 715431 715400 715436 715436

72106 72106 72098 72098 72090 72090 72090

FE 450E Std. Comp. 11.9:1 (Big Bore)

2009 - 10 102mm 23368700

FE 450 Std. Comp. 11.8:1 FE 450 High Comp. 12.4:1

2014 2014

95mm 23859A 95mm 23860A

* Note; Most Kits are available from standard size up to +2.00mm over size *

*Please visit our website for current prices

E-mail: sales@oro2u.com

www.oro2u.com

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