Products

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner

For more than 35 years, Wössner successfully design and produce high- performance pistons and connecting rods.

In order to offer their customers the best of Wössner Power, their products are produced by using state-of-the-art technology and are subject to continuous quality control.

Performance, quality and longevity - this is what Wössner stands for with high-quality products.

Piston Kits

Wössner pistons are supplied with the appropriate piston rings, piston studs and retaining clips, unless otherwise specified in the product catalogs. Please use our Fitments Tool to ensure the correct part is ordered.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high- performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 66.94mm
• Oversize: Standard

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 66.94mm
• Oversize: Standard
• Number of Rings: 2
• Replacement Rings: RSB6700
• Replacement Wrist Pin: WP033
• Replacement Circlip: CW18
• Replacement Needle Bearing: N1022

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 49.45mm
• Oversize: +0.50mm
• Number of Rings: 1
• Replacement Rings: RSB4950
• Replacement Wrist Pin: WP091
• Replacement Circlip: CW12

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 40.45mm
• Oversize: +0.50mm
• Number of Rings: 1
• Replacement Rings: RSB4050
• Replacement Wrist Pin: WP105
• Replacement Circlip: CW10

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 46.95mm
• Oversize: Standard
• Number of Rings: 1
• Replacement Rings: RSB4700
• Replacement Wrist Pin: WP091
• Replacement Circlip: CW12

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.96mm
• Oversize: Standard
• Number of Rings: 3
• Replacement Rings: RIK77.00D3
• Replacement Wrist Pin: WP083
• Replacement Circlip: CW17

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 96.96mm
• Oversize: Standard
• Number of Rings: 3
• Replacement Rings: RIK97.00
• Replacement Wrist Pin: WP054
• Replacement Circlip: CW18

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 94.93mm
• Oversize: Standard
• Number of Rings: 3
• Replacement Rings: 950XSY
• Replacement Wrist Pin: WP009
• Replacement Circlip: CW22

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 99.95mm
• Oversize: Standard
• Number of Rings: 3

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 83.44mm
• Oversize: +0.50mm
• Replacement Rings: 835XSY
• Replacement Wrist Pin: WP026
• Replacement Circlip: CW19

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 83.43mm
• Oversize: +0.50mm
• Replacement Rings: 835XSY
• Replacement Wrist Pin: WP026
• Replacement Circlip: CW19

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 84.42mm
• Oversize: Standard
• Replacement Rings: 845XSY
• Replacement Wrist Pin: WP052
• Replacement Circlip: CW20

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 53.95mm
• Oversize: Standard
• Number of Rings: 2
• Replacement Rings: RSV5400
• Replacement Wrist Pin: WP032
• Replacement Circlip: CW15
• Replacement Needle Bearing: N1047

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 54.45mm
• Oversize: +0.50mm
• Number of Rings: 1
• Replacement Rings: RSB5450
• Replacement Wrist Pin: WP032
• Replacement Circlip: CW15
• Replacement Needle Bearing: N1011

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Pist on Size: 66.35mm
• Oversize: Standard
• Number of Rings: 2
• Replacement Rings: RSB6640
• Replacement Wrist Pin: WP033
• Replacement Circlip: CW18
• Optional Replacement Needle Bearing (not included): N1021

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips and Rings. Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 66.35mm
• Oversize: Standard
• Number of Rings: 1
• Replacement Rings: RSB6640
• Replacement Wrist Pin: WP033
• Replacement Circlip: CW18
• Replacement Needle Bearing: N1021

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.96mm
• Oversize: Standard
• Wossner Compression: 12.80:1
• OEM Compression: 12.50:1
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP070
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.96mm
• Oversize: Standard
• Number of Rings: 3
• Replacement Rings: RIK77.00D3
• Replacement Wrist Pin: WP070
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.96mm
• Oversize: Standard
• Wossner Compression: 13.50:1
• OEM Compression: 12.50:1
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP070
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.96mm
• Oversize: Standard
• Wossner Compression: 14.10:1
• OEM Compression: 13.50:1
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP070
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.95mm
• Oversize: Standard
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP087
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.95mm
• Oversize: Standard
• Wossner Compression: 14.50:1
• OEM Compression: 13.50:1
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP087
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.95mm
• Oversize: Standard
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP070
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.95mm
• Oversize: Standard
• Wossner Compression: 14.40:1
• OEM Compression: 13.50:1
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP070
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.

Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service.

Features

• In-house designed and manufactured; all forgings are produced in Wossner's company-owned forging operation
• 4-stroke pistons are made using a double-bridged forging design
• Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine
• All pistons include piston, ring, wrist pin and pin locks
• Wossner pistons are used by leading Supercross, Arenacross and MX GP teams
• Made in Germany

Specifications

• Piston Size: 76.96mm
• Oversize: Standard
• Number of Rings: 2
• Replacement Rings: RIK77.00D
• Replacement Wrist Pin: WP070
• Replacement Circlip: CW16

NOTE: Wossner Piston Kits include the Piston, Wrist Pin, Circlips & Rings, Needle Bearings are not included.