ORO2U Dirt Catalogue - Section E - Engine and Performance.

Athena

Piston Kits

KTM

Years

Size

Piston Kit

EXC-F 250 SX-F 250 SX-F 250 XC-F 250 XC-F 250 XCF-W 250 EXC-F 350

2014 - 23 78mm 2013 - 15 78mm 2016 - 22 78mm 2013 - 14 78mm 2016 - 22 78mm 2013 - 14 78mm 2017 - 23 88mm 2014 - 22 88mm 2014 - 22 88mm 2007 - 12 97mm 2013 - 19 95mm 2021 - 22 95mm 2021 - 22 95mm 2007 - 10 97mm

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56-W954 56-W954 56-W265 56-W954 56-W265 56-W954

Athena 4-Stroke Piston Kits Athena presents a brand-new piston line, a special range for 4-Stroke Off-Road bikes. This line is produced with special high-performance materials processed through reverse extrusion forging. These are the main features: • Screen-printed Molybdenum Disulfide special sintered coating, to improve pourability, perfor - mance and durability, reducing frictions and noise. • Last generation stainless-steel segments, with PVD coating in CrN and anti-wear reinforcements, optimized in shape to enhance conformability at low tangential load.

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56-W4735 56-W4735 56-W4735

SX-F 350 XC-F 350 SX-F 450 SX-F 450 SMR 450 SX-F 450 XC-F 450

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56-W107 56-W956 56-W956 56-W956 56-W107

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Engineered in Italy, the new Athena pistons are subjected to strict quality tests both at dynamic bench and on the track to offer a high level of performance and reliability.

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SUZUKI

Years

Size

Piston Kit 56-W4921 56-W951 56-W185 56-W4953 56-W4953 56-W4955

High performance and pourability

Last generation segments Made in Japan

RM-Z 250 RM-Z 250 RM-Z 450 RM-Z 450 RMX-450Z RM-Z 450

2007 - 09 77mm 2010 - 25 77mm 2005 - 07 95.5mm 2008 - 12 96mm 2010 - 19 96mm 2013 - 25 96mm

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Wide range for the main Off-road 4-Stroke applications

Reduced friction and noise

YAMAHA

High quality offered at an extremely competitive price

Years

Size

Piston Kit

Enhanced resistance and durability

WR 250F WR 250F WR 250F YZ 250F YZ 250F YZ 250F YZ 250FX YZ 250FX WR 450F WR 450F WR 450F YZ 450F YZ 450F YZ 450F YZ 450F YZ 450FX YZ 450FX

2008 - 13 77mm 2015 - 17 77mm 2020 - 25 77mm 2008 - 13 77mm 2014 - 15 77mm 2016 - 25 77mm 2015 - 16 77mm 2017 - 25 77mm 2016 - 18 97mm 2019 - 20 97mm 2021 - 23 97mm 2010 - 13 97mm 2014 - 17 97mm 2018 - 19 97mm 2020 - 22 97mm 2016 - 18 97mm 2019 - 20 97mm

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56-W240 56-W4961 56-W4966 56-W240 56-W4961 56-W4966 56-W4961 56-W4966 56-W4963 56-W4965 56-W4787 56-W261 56-W4963 56-W4965 56-W4787 56-W4963 56-W4965

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*Please visit our website for current prices

E-mail: sales@oro2u.com

www.oro2u.com E51

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