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

Piston Clips

Small End Bearing

Pro-Lite

125 RR Enduro 300 RR Enduro 300 RR Enduro

2018 - 25 54mm 2013 - 17 72mm 2018 - 21 72mm 2021 - 25 72mm 2015 - 17 72mm 2018 - 21 72mm

.A.WI

+P0.1.WI

.WI

.WI

56-W035

56-R405 56-R406

56-729 56-714 56-7983 56-7983

56-002

56-800

ArmorGlide

.WI .WI .WI .WI .WI

.WI

.WI .WI

– – – – –

Piston Kit 56-W9818 56-W9819 56-W9887 56-W9820 56-W9821 56-W9817 56-W6723 56-W6723 56-W9817 56-W6723

56-0153 56-0153

Pro-Lite Pro-Lite

.WI

.WI .WI

56-R406

300 RX

.WI

.WI .WI

56-R406

56-0153 56-0153

ArmorGlide

300 Xtrainer 300 Xtrainer

.WI

56-R406

56-714

Pro-Lite

.WI

.WI

.WI

56-R406

56-7983

56-0153

4-Stroke Models

Piston Type

Years

Size

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

350 RR Enduro Comp. 12.9:1 ArmorGlide 400 RR Enduro Comp. 12.4:1 ArmorGlide 430 RR Enduro Comp. 11.9:1 ArmorGlide 450 RR Enduro Comp. 12.0:1 ArmorGlide 498 RR Enduro Comp. 12.0:1 ArmorGlide

2011 - 14 88mm 2010 - 14 95mm 2015 - 26 95mm 2010 - 14 95mm 2012 - 14 100mm

.WI .WI .WI .WI .WI

.WI

– –

.WI

– – – – –

56-R280 56-R054 56-R054 56-R054 56-R533

56-0153 56-000 56-009 56-000 56-000

.WI .WI .WI

– –

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

FANTIC 2-Stroke Models

Piston Type

Years

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

Pro-Lite Pro-Lite Pro-Lite Pro-Lite

2022 - 26 54mm 2022 - 26 54mm 2022 - 23 66.4mm 2022 - 23 66.4mm

XX 125 XX 125

.A.WI .A.WI .A.WI

56-W899 56-W899 56-W742 56-W742

XX 250 Dual Ring

.2.WI

.WI .WI

.WI .WI

56-R420 56-R441

56-781 56-781

56-0153 56-0153

56-801 56-801

Single Ring

.WI.RC

4-Stroke Models XEF 250 Comp. 13.8:1 XXF 250 Comp. 13.8:1 XEF 450 Comp. 13.0:1 XXF 450 Comp. 13.0:1

Piston Type ArmorGlide ArmorGlide ArmorGlide ArmorGlide

Years

Size

Piston Kit 56-W8812 56-W8812 56-W4787 56-W4787

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

2021 - 23 77mm 2022 - 23 77mm 2022 - 23 97mm

.WI .WI

.WI

.WI .WI

.WI .WI

– – – –

56-R316

56-7931 56-7931

56-0152 56-0152

.WI

56-R316

.WI.AR .WI.AR

2022

97mm

*Please visit our website for current prices E12

www.oro2u.com

Tel: 01597 822 666

Fax: 01597 825 224

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