ORO2U Dirt Catalogue - Section E - Engine and Performance.

Piston Kits

Wiseco

Wiseco 2-Stroke Piston Kits

Wiseco 4-Stroke Piston Kits

All Purpose Riding Pro Lite® • Great Value for Fun Factor

Ideal for Multi Purpose Riding Forged Series • Great Value for all around riding types • Every Day Ride/Race Power You can Feel! • Forged for Optimized Strength and Life • ArmorGlide® Skirt Coating Reduces Friction and Noise for More Horsepower on most applications • Wide Range of Bore and Compression Ratio Options

Endurance / High RPM GP Series™ • Optimized Race Features for Top End Power • Electra-Coated Dome, Ring Groove & Pin Bore for Extended Life • ArmorGlide® Skirt Coating Reduces Friction and Noise for More Horsepower Potential • Upgrade Ti Nitride Ring Package for Lower Coefficient of Friction and Wear

• Feel the Difference on the Track or in the Woods • Extra Lightening Operations for Instant Throttle Response • Strong Optimized Forging Design • Lightweight Pin, Rings and clip included

BETA 2-Stroke Models

Piston Type

Years

Size

Piston Kit

Piston Rings

Piston Pin 56-729.WI

Piston Clips

Small End Bearing

Pro-Lite

125 RR Enduro 300 RR Enduro 300 RR Enduro

2018 - 22 54mm 56-W035.A.WI 2013 - 17 72mm 56-W9817.WI 2018 - 21 72mm 56-W6723.WI 2015 - 17 72mm 56-W9817.WI 2018 - 21 72mm 56-W6723.WI

56-R405+P0.1.WI

56-002

56-800.WI

ArmorGlide ArmorGlide ArmorGlide

56-R406.WI 56-R406.WI 56-R406.WI 56-R406.WI

56-714

56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI

– – – –

56-7983.WI

300 Xtrainer 300 Xtrainer

56-714

Pro-Lite

56-7983.WI

4-Stroke Models

Piston Type

Years

Size

Piston Kit

Piston Rings 56-R280.WI

Piston Pin

Piston Clips 56-0153.WI

Small End Bearing

350 RR Enduro Comp. 12.9:1 ArmorGlide 400 RR Enduro Comp. 12.4:1 ArmorGlide 450 RR Enduro Comp. 12.0:1 ArmorGlide 498 RR Enduro Comp. 12.0:1 ArmorGlide

2011 - 14 88mm 56-W9818.WI 2010 - 14 95mm 56-W9819.WI 2010 - 14 95mm 56-W9820.WI 2012 - 14 100mm 56-W9821.WI

– – – –

– – – –

56-R054 56-R054 56-R533

56-000 56-000 56-000

Please note All Piston Kits do not include small end bearings. Most Kits available from standard size up to 2.00mm over size.

*Please visit our website for current prices E8

www.oro2u.com

Tel: 01597 822 666

Fax: 01597 825 224

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