ORO2U Dirt Catalogue - Section E - Engine and Performance.

Piston Kits

Wiseco Racer Elite

Wiseco 4-Stroke Racer Elite Series Piston Kits

Wiseco 2-Stroke Racer Elite Series Piston Kits The Latest In Piston Technology • Engineered to be the most advanced 2-Stroke Piston on the market! • Optimized design for extreme conditions and racing applications. • ArmorFit™ skirt coating conforms to the bore for the ultimate in piston control and wear. • ArmorPlating® coating protects and improves performance in 3 main areas:

The Latest In Piston Technology • 100% fully machined billet piston. • Dyno Proven Horsepower improvement along with High Engine Load Durability. • Reduced Friction for increased performance - the first and only asymmetrical piston in the market for 250cc and 450cc applications! • Customized Top Piston Ring and Matching Precision Machined Ring Groove provide improved ring seal, equals Power Increases! • ArmorGlide® Skirt Coating for Optimum Piston Performance, Reducing Friction Improving Power! • DLC Coated Wrist Pin - F1 technology offering the best in friction reduction and reduced wear.

» Protects the crown from harmful detonation » Improves pinbore for decreased wear and bore deformation » Enhanced ring real for long life and performance • Improved Performance utilizing premium quality rings with enhanced dimensional control, which results in improved sealing and power increases.

GASGAS 2-Stroke Models

Years

Size

Piston Kit

Piston Rings 56-R206.WI

Piston Pin

Piston Clips

Small End Bearing

2021 - 23 45mm 56-W313_000.WIE 2021 - 23 47mm 56-W012_000.WIE 2021 - 23 54mm 56-W035.WIE

MC 65 MC 85 MC 125 EC 250 EX 250 MC 250

56-7914 56-708

56-005.WI

56-827.WI 56-821.WI 56-800.WI 56-802.WI 56-802.WI 56-802.WI

56-R002

56-003 56-002

56-R405+P0.1.WI

56-722.WI.S668

2021 - 23 66.4mm 2021 - 23 66.4mm 2021 - 23 66.4mm

56-W214.WI.RE 56-W214.WI.RE 56-W214.WI.RE

56-R441 56-R441 56-R441

56-781 56-781 56-781

56-0153.WI 56-0153.WI 56-0153.WI Piston Clips 56-0152.WI 56-0152.WI 56-0153.WI 56-0153.WI

4-Stroke Models EX 250F Comp. 14.5:1 MC 250F Comp. 14.5:1

Years

Size

Piston Kit

Piston Rings

Piston Pin

Small End Bearing

2021 - 23 78mm 2021 - 23 78mm

56-W265.WI.HCE 56-W265.WI.HCE 56-W4735_00.WI.RE 56-W4735_00.WI.RE

– –

– – – –

– – – –

2023 2023

EX 350F MC 350F

88mm 88mm

56-R061 56-R061

HONDA 2-Stroke Models

Years

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

CR 85 CR 125 CR 125 CR 250

2003 - 07 47.5mm 56-W833.WI.ELIT 1995 - 03 54mm 56-W676.P0.WIE 2004 - 07 54mm 56-W859.WIE

56-R525

56-708

56-003 56-002 56-002

56-R405+P0.1.WI 56-R405+P0.1.WI

56-722.WI.S668 56-722.WI.S668

56-814.WI 56-814.WI 56-801.WI

2005 - 09 66.4mm

56-W860+00A_WIE

56-R441

56-781

56-0153.WI

4-Stroke Models

Years

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips 56-0162.WI 56-0162.WI 56-0162.WI

Small End Bearing

CRF 250R Comp. 14.5:1 CRF 250R Comp. 14.5:1 CRF 250R Comp. 14.5:1 CRF 450R Comp. 14:1 CRF 450R Comp. 14:1 CRF 450RX Comp. 14:1

2010 - 15 76.8mm 2016 - 17 76.8mm 2018 - 19 79mm 2013 - 16 96mm 2017 - 23 96mm 2017 - 23 96mm

56-W958.WI.RE 56-W8800.WI.HCE 56-W8806_WI.RE 56-W916.WI.RE 56-W9949.WI.RE 56-W9949.WI.RE

56-R057 56-R057 56-R058 56-R059 56-R059 56-R059

– – – – – –

– – – – – –

56-009 56-009 56-009

HUSABERG 2-Stroke Models Years

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

TE 125

2012 - 14 54mm 56-W035.WIE

56-R405+P0.1.WI

56-722.WI.S668

56-002

56-800.WI

*Please visit our website for current prices E20

www.oro2u.com

Tel: 01597 822 666

Fax: 01597 825 224

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