Wossner 2025

KTM 4-STROKE

MODEL

YEARS

PISTON PART # WÖSSNER COMPR. RATIO OEM COMPR. RATIO

PISTON SIZE

OVERSIZE

RING SET

450 EXC-F

2022-2024

4070DA

94.95

STD

RIK95.00/2

450 XCF-W

2023-2024

4070DB

94.96

+0.01

RIK95.00/2

12.75:1

12.75:1

4070DC

94.97

+0.02

RIK95.00/2

450 SX-F

2013 - 2022

8868DA

12.6:1

94.95

STD

RIK95.00/2

450 SMR

2013 - 2014

8868DB

94.96

+0.01

RIK95.00/2

450 SX-F FACTORY EDITION

2013 - 2016

8868DC

12.75:1

94.97

+0.02

RIK95.00/2

450 XC-F

2014 - 2022

( '2020-2022 )

12.6:1

450 SX-F

2013 - 2022

8873DA

12.6:1

94.95

STD

RIK95.00/2

450 SMR

2013 - 2014

8873DB

94.96

+0.01

RIK95.00/2

450 SX-F FACTORY EDITION

2013 - 2016

8873DC

12.75:1

94.97

+0.02

RIK95.00/2

450 XC-F

2014 - 2022

( '2020-2022 )

13.6:1

450 SX-F

2013 - 2022

3503DA

94.95

STD

OEM

450 SMR

2013 - 2014

3503DB

94.96

+0.01

OEM

450 SX-F FACTORY EDITION

2013 - 2016

450 XC-F

2014 - 2022

13.6:1

12.6:1

202

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