Wossner

2531 products

  • Piston KIT-4 KZ1000J,R D72.00, Wossner K8796D250-4 Kawasaki

    Wossner Piston KIT-4 KZ1000J,R D72.00, Wossner K8796D250-4 Kawasaki

    1 in stock 1-2 business days

    This Wossner piston kit set includes four forged pistons with a 72.00mm bore and 71.94mm diameter, offering a +2.5mm oversize fitment. Designed for Kawasaki KZ1000J and KZ1000R models from 1981 to 1983, this high-performance kit increases engine displacement to 1075–1105 cm³ and provides improved compression and thermal efficiency for four-cylinder engines. Features Forged construction for exceptional strength and durability Engineered for efficient heat transfer from combustion chamber to cylinder walls Elliptical design ensures uniform bearing surface during thermal expansion Distributes thrust loads evenly to reduce risk of piston collapse Manufactured in Germany Supplied as a set of 4 pistons, pins, rings, and clips Specifications Bore: 72.00mm Diameter: 71.94mm Engine Displacement: 1075 / 1105 cm³ Stroke: 66.00 mm Clearance: 0.06 mm Compression Ratio (Wossner): 1075 cc = 10.30:1 / 1105 cc = 10.50:1 Compression Ratio (OEM): 9.20:1 Dome Volume: 18.80 cm³ Compression Height: 25.30 mm Theoretical Weight: 25.30 g Engine Cylinders: 4 Clips P/N: CW17 Pin P/N: WP083 Ring Set P/N: 720XDS Cross-Reference OEM Part Numbers Part No. 56-W9934.250.WO Wossner Piston K8796D250-4 Vehicle Fitments Kawasaki KZ1000J 1981–1983 Kawasaki KZ1000R 1981–1983 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KAWASAKI KZ J 1000 1981-1983 KAWASAKI KZ R 1000 1981-1983

    1 in stock 1-2 business days

    £642.20

  • Piston KIT-4 Suzuki GSXR1000 K9-K10 Wossner K8790DA-4

    Wossner Piston KIT-4 Suzuki GSXR1000 K9-K10 Wossner K8790DA-4

    1 in stock 1-2 business days

    Forged piston kit set of four with a standard 74.50 mm bore (measured piston diameter 74.46 mm), engineered for high-performance road and race use. Designed to withstand extreme thermal and mechanical loads, with an elliptical profile for consistent bearing surfaces and balanced thrust load distribution. Must be used with the OEM ring set. Features Forged construction for maximum strength and durability Optimised heat transfer from combustion chamber to cylinder walls Elliptical profile for consistent bearing surface under heat expansion Even thrust load distribution to help prevent piston collapse Manufactured in Germany Supplied as a set of four pistons Must be used with OEM ring set Specifications Bore: 74.50 mm Measured diameter: 74.46 mm Engine displacement (reference): 999 / 1052 cm³ Stroke: 57.30 mm Clearance: 0.04 mm Compression ratio (Wössner): 14.00:1 Compression ratio (OEM reference): 12.80:1 Dome volume: −4.40 cm³ Compression height: 22.35 mm Quantity in kit: 4 pistons Cross-Reference OEM Part Numbers 56-W9933.000.WO Wössner K8790DA-4 Clips: CW15 Piston pin: WP011 Ring set: OEM (use original equipment rings) Vehicle Fitments Suzuki GSX-R1000 2009–2016 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years SUZUKI GSX R 1000 2009-2015

    1 in stock 1-2 business days

    £642.20

  • Wossner Piston Kit Beta RR480 16-23 100.00, Forged Wossner 4013DB Rr 480

    Wossner Wossner Piston Kit Beta RR480 16-23 100.00, Forged Wossner 4013DB Rr 480

    2 in stock 1-2 business days

    Part Number: 4013DB Make: Betamotor Model: RR480 Year: 2016-2023 Piston size: 99,97mm Oversize: +0.01mm Clearance: 0,04mm Stroke: 60,8mm Compression Height: 23,45mm Compression Ratio: 12,30:1 Theoretical Weight: 265,00g Ring set: 1000ADS-2 Clips: CW19 Wristpins: WP028-SP

    2 in stock 1-2 business days

    £232.21

  • Wossner Piston Kit Beta RR480 16-23 100.00, Forged Wossner 4013DA Rr 480

    Wossner Wossner Piston Kit Beta RR480 16-23 100.00, Forged Wossner 4013DA Rr 480

    2 in stock 1-2 business days

    Part Number: 4013DA Make: Betamotor Model: RR480 Year: 2016-2023 Piston size: 99,96mm Oversize: Standard Clearance: 0,04mm Stroke: 60,8mm Compression Height: 23,45mm Compression Ratio: 12,30:1 Theoretical Weight: 265,00g Ring set: 1000ADS-2 Clips: CW19 Wristpins: WP028-SP

    2 in stock 1-2 business days

    £232.21

  • Piston Kit YFM400FW 00-06, Forged Wossner 8901DA 5GH-11631-00-00

    Wossner Piston Kit YFM400FW 00-06, Forged Wossner 8901DA 5GH-11631-00-00

    1 in stock 1-2 business days

    This Wossner piston kit features a standard 92.00mm bore with a measured diameter of 84.42mm, engineered for Yamaha YFM400FW Kodiak (2000–2006) and YFM4 Grizzly 400 (2007–2008) models. Built for durability and thermal efficiency, this forged piston is optimised for four-stroke engine performance in utility ATV applications. Features Forged piston construction for superior strength and reliability Advanced heat transfer design from combustion chamber to cylinder walls Elliptical profile promotes uniform bearing surface under thermal expansion Even thrust load distribution reduces localised stress and prevents piston collapse Manufactured in Germany Specifications Bore: 92.00mm Diameter: 84.42mm Display: 400 cm³ Stroke: 70.50 mm Clearance: 0.08 mm Compression Ratio (Wossner): 8.50:1 Compression Ratio (OEM): 10.50:1 Dome Volume: -2.90 cm³ Compression Height: 26.90 mm Clips P/N: CW20 Pin P/N: WP052 Ring Set P/N: 845XSY Cross-Reference OEM Part Numbers Part No. 56-W9924.00A.WO Wossner Piston 8901DA 5GH-11631-00-00 40076M08450 Vehicle Fitments Yamaha YFM400FW Kodiak 2000–2006 Yamaha YFM4 Grizzly 400 2007–2008 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFM KODIAK 400 2000-2008 YAMAHA YFM GRIZZLY 400 2008

    1 in stock 1-2 business days

    £209.83

  • Piston Kit XL500R 83-84 92.00, Forged Wossner 8823DA Piston Kit XL500R 83-84 92.00, Forged Wossner 8823DA

    Wossner Piston Kit XL500R 83-84 92.00, Forged Wossner 8823DA

    1 in stock 1-2 business days

    This Wossner piston kit features a standard 92.00mm bore and is specifically designed for the Honda XL500R models from 1983 to 1984. With a 10.2:1 compression ratio, this forged piston ensures optimal performance, durability, and heat transfer for high-efficiency four-stroke engine operation. Features Forged construction for maximum strength and durability Designed for efficient heat dissipation from combustion chamber to cylinder walls Elliptical shape maintains uniform bearing surface during heat expansion Evenly distributes thrust loads to minimise the risk of piston collapse Manufactured in Germany Specifications Bore: 92.00mm Compression Ratio: 10.2:1 Cross-Reference OEM Part Numbers Part No. 56-W9923.00A.WO Wossner Piston 8823DA Vehicle Fitments Honda XL500R 1983–1984

    1 in stock 1-2 business days

    £189.79

  • Piston Kit Kymco Zing 125 65, Forged Wossner 8500D500

    Wossner Piston Kit Kymco Zing 125 65, Forged Wossner 8500D500

    1 in stock 1-2 business days

    This Wossner piston kit features a 65.00mm bore, providing a +5.00mm big bore upgrade for the Kymco Zing 125. Engineered for increased displacement and performance, this forged piston is built to handle enhanced engine loads while maintaining optimal thermal efficiency and structural integrity. Features Forged piston construction for superior strength and reliability Enhanced heat transfer design from combustion chamber to cylinder walls Elliptical profile provides uniform bearing surface during thermal expansion Prevents localised pressure points and distributes thrust loads evenly to reduce piston collapse risk Manufactured in Germany Specifications Bore: 65.00mm Cross-Reference OEM Part Numbers Part No. 56-W9922.500.WO Wossner Piston 8500D500 Vehicle Fitments Kymco Zing 125

    1 in stock 1-2 business days

    £101.87

  • Piston Kit Kymco Zing 125 60, Forged Wossner 8500DA

    Wossner Piston Kit Kymco Zing 125 60, Forged Wossner 8500DA

    2 in stock 1-2 business days

    This Wossner piston kit features a standard 60.00mm bore and is specifically designed for the Kymco Zing 125. Constructed with a forged design, the piston offers exceptional durability, heat transfer efficiency, and a uniform bearing surface for reliable two-stroke engine operation. Features Forged construction for enhanced strength and long-term reliability Engineered to promote efficient heat transfer from combustion chamber to cylinder walls Elliptical design ensures even bearing surface during thermal expansion Prevents localised pressure and distributes thrust loads evenly to avoid piston collapse Manufactured in Germany Specifications Bore: 60.00mm Cross-Reference OEM Part Numbers Part No. 56-W9922.00A.WO Wossner Piston 8500DA Vehicle Fitments Kymco Zing 125

    2 in stock 1-2 business days

    £122.16

  • Piston Kit Beta RR300 13-17, Forged Wossner 8298DC

    Wossner Piston Kit Beta RR300 13-17, Forged Wossner 8298DC

    1 in stock 1-2 business days

    This Wossner piston kit features a 72.00mm bore with a measured diameter of 71.98mm, providing a +0.02mm oversize fitment. Designed for Beta RR300 and Xtrainer300 models from 2013 to 2017, this two-ring forged piston delivers robust performance, excellent heat transfer, and structural integrity under demanding conditions. Features Forged construction ensures superior strength and durability Designed for optimal heat dissipation from combustion chamber to cylinder walls Elliptical profile maintains a uniform bearing surface during heat expansion Even thrust load distribution prevents piston collapse Manufactured in Germany Specifications Bore: 72.00mm Diameter: 71.98mm Ring Type: Two Ring Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Cross-Reference OEM Part Numbers Part No. 56-W9921.00B.WO Wossner Piston 8298DC Vehicle Fitments Beta RR300 2013–2017 Beta Xtrainer300 2013–2017 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years BETA XTRAINER 300 2015-2017 BETA RR 300 2013-2017

    1 in stock 1-2 business days

    £196.88

  • Piston Kit Beta RR300 13-17, Forged Wossner 8298DB Piston Kit Beta RR300 13-17, Forged Wossner 8298DB

    Wossner Piston Kit Beta RR300 13-17, Forged Wossner 8298DB

    1 in stock 1-2 business days

    This Wossner piston kit features a 72.00mm bore with a measured diameter of 71.97mm, offering a +0.01mm oversize fitment. Specifically designed for Beta RR300 models from 2013 to 2017, this forged two-ring piston delivers durability, precise fitment, and consistent thermal performance for two-stroke engines. Features Forged piston construction for superior strength and long-term reliability Efficient heat transfer from combustion chamber to cylinder walls Elliptical design ensures uniform bearing surface during heat expansion Prevents piston collapse through even thrust load distribution Manufactured in Germany Specifications Bore: 72.00mm Diameter: 71.97mm Ring Type: Two Ring Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Cross-Reference OEM Part Numbers Part No. 56-W9921.00B.WO Wossner Piston 8298DB Vehicle Fitments Beta RR300 2013–2017 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years BETA XTRAINER 300 2015-2017 BETA RR 300 2013-2017

    1 in stock 1-2 business days

    £196.88

  • Piston Kit Beta RR300 13-17, Forged Wossner 8298DA Piston Kit Beta RR300 13-17, Forged Wossner 8298DA

    Wossner Piston Kit Beta RR300 13-17, Forged Wossner 8298DA

    2 in stock 1-2 business days

    This Wossner piston kit features a standard 72.00mm bore with a measured diameter of 71.96mm and is designed for Beta RR300 models from 2013 to 2017. The forged two-ring piston is engineered for high-strength performance, efficient thermal regulation, and consistent reliability in two-stroke engine applications. Features Forged construction for exceptional durability and strength Designed to optimise heat transfer from combustion chamber to cylinder walls Elliptical design ensures uniform bearing surface under thermal expansion Prevents piston collapse through even distribution of thrust loads Manufactured in Germany Specifications Bore: 72.00mm Diameter: 71.96mm Ring Type: Two Ring Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Cross-Reference OEM Part Numbers Part No. 56-W9921.00A.WO Wossner Piston 8298DA 886M07200 Vehicle Fitments Beta RR300 2013–2017 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years BETA XTRAINER 300 2015-2017 BETA RR 300 2013-2017

    2 in stock 1-2 business days

    £196.88

  • Piston Kit Tm 300 01-06 72.00, Forged Wossner 8295DC

    Wossner Piston Kit Tm 300 01-06 72.00, Forged Wossner 8295DC

    5 in stock 1-2 business days

    This Wossner piston kit features a 72.02mm bore with a measured diameter of 71.95mm, providing a +0.02mm oversize fitment. Designed for TM 300 MX and Enduro models from 2001 to 2006, this two-ring forged piston is built for durability, consistent heat transfer, and reliable performance in high-demand two-stroke engines. Features Forged construction ensures high strength and long service life Optimised for efficient combustion chamber heat transfer to cylinder walls Elliptical profile maintains a uniform bearing surface during thermal expansion Even thrust load distribution minimises localised pressure and piston collapse risk Manufactured in Germany Specifications Bore: 72.02mm Diameter: 71.95mm Stroke: 73.70 mm Clearance: 0.07 mm Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Compression Height: 38.00 mm Ring Type: Two Ring Clips P/N: CW18 Pin P/N: WP033 Ring Set P/N: RST7200 x 2 Cross-Reference OEM Part Numbers Part No. 56-W9920.00C.WO Wossner Piston 8295DC Vehicle Fitments TM 300 MX 2001–2006 TM 300 Enduro 2001–2006 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years TM MX 300 2008-2009 TM EN 300 2002-2019 TM ENDURO 300 2002-2019 TM CROSS 300 2008-2009

    5 in stock 1-2 business days

    £208.34

  • Piston Kit Tm 300 01-06 72.00, Forged Wossner 8295DB

    Wossner Piston Kit Tm 300 01-06 72.00, Forged Wossner 8295DB

    1 in stock 1-2 business days

    This Wossner piston kit features a 72.01mm bore with a measured diameter of 71.94mm, offering a +0.01mm oversize fitment. Designed for TM 300 MX and Enduro models from 2001 to 2006, this two-ring forged piston ensures optimal strength, heat management, and reliable performance for two-stroke engines. Features Forged construction for enhanced durability and strength Engineered for effective heat transfer from combustion chamber to cylinder walls Elliptical shape ensures a uniform bearing surface under heat expansion Minimises localised pressure and evenly distributes thrust loads Prevents piston collapse under stress Manufactured in Germany Specifications Bore: 72.01mm Diameter: 71.94mm Stroke: 73.70 mm Clearance: 0.07 mm Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Compression Height: 38.00 mm Ring Type: Two Ring Clips P/N: CW18 Pin P/N: WP033 Ring Set P/N: RST7200 x 2 Cross-Reference OEM Part Numbers Part No. 56-W9920.00B.WO Wossner Piston 8295DB Vehicle Fitments TM 300 MX 2001–2006 TM 300 Enduro 2001–2006 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years TM MX 300 2008-2009 TM EN 300 2002-2019 TM ENDURO 300 2002-2019 TM CROSS 300 2008-2009

    1 in stock 1-2 business days

    £208.34

  • Piston Kit MX YZ TY80 49.00, Forged Wossner 8269D200

    Wossner Piston Kit MX YZ TY80 49.00, Forged Wossner 8269D200

    1 in stock 1-2 business days

    This Wossner piston kit features a 49.00mm bore with a measured diameter of 48.95mm, providing a +2.00mm oversize fitment. Designed for select Yamaha 80cc models from the 1970s and early 1980s, the kit delivers high-strength performance and precise thermal expansion control for reliable two-stroke engine operation. Features Forged construction ensures superior strength and durability Engineered for efficient heat transfer from combustion chamber to cylinder walls Elliptical design promotes uniform bearing surface during heat expansion Distributes thrust loads evenly to prevent piston collapse Manufactured in Germany Specifications Bore: 49.00mm Diameter: 48.95mm Stroke: 42.00 mm Clearance: 0.05 mm Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Compression Height: 29.40 mm Ring Type: Single Ring Clips P/N: CW12 Pin P/N: WP091 Ring Set P/N: RSB4900 Cross-Reference OEM Part Numbers Part No. 56-W9919.200.WO Wossner Piston 8269D200 Vehicle Fitments Yamaha MX80 1980–1982 Yamaha TY80 1974–1975 Yamaha YZ80 1974–1975 Yamaha GT1 1973–1975

    1 in stock 1-2 business days

    £75.73

  • Piston Kit KXF450 16-18 High Compression Wossner Kit 4087DC

    Wossner Piston Kit KXF450 16-18 High Compression Wossner Kit 4087DC

    2 in stock 1-2 business days

    High Compression Piston kit 96mm Bore 95.97 Wossner 4087DC (STD) KAWASAKI KX450F 2016 - 2018, Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9916.C.WO.HC  (radhouse.co.uk)   WOSSNER 4087DC PISTON KIT 96.00mm  C GRADE PISTON KIT 95.97mm COMPRESSION RATIO 13.60:1 COMPRESSION HEIGHT 23,70mm STROKE 62,1 CLEARANCE 0.05mm THEORETICAL WEIGHT 256.50g Cross reference numbers  RING SET. TPR96.00 CLIPS. CW19 PIN. WP028-SP

    2 in stock 1-2 business days

    £222.05

  • Piston Kit KXF450 16-18 High Compression Wossner Kit 4087DB

    Wossner Piston Kit KXF450 16-18 High Compression Wossner Kit 4087DB

    1 in stock 1-2 business days

    High Compression Piston kit 96mm Bore 95.96 Wossner 4087DB (STD) KAWASAKI KX450F 2016 - 2018, Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9916.B.WO.HC  (radhouse.co.uk)   WOSSNER 4087DB PISTON KIT 96.00mm  B GRADE PISTON KIT 95.96mm COMPRESSION RATIO 13.60:1 COMPRESSION HEIGHT 23,70mm STROKE 62,1 CLEARANCE 0.05mm THEORETICAL WEIGHT 256.50g Cross reference numbers  RING SET. TPR96.00 CLIPS. CW19 PIN. WP028-SP

    1 in stock 1-2 business days

    £222.05

  • Piston Kit KXF450 16-18 B, Forged Wossner Kit 8931DB

    Wossner Piston Kit KXF450 16-18 B, Forged Wossner Kit 8931DB

    2 in stock 1-2 business days

    This Wossner piston kit features a 96.01mm bore with a 95.96mm diameter, offering a +0.01mm oversize fitment for high-performance applications. Specifically engineered for Kawasaki KX450F models from 2016 to 2017, this forged piston delivers exceptional strength, efficient heat transfer, and reliable operation under demanding conditions. Features Forged piston construction for superior strength and durability Advanced heat transfer design from combustion chamber to cylinder walls Elliptical profile ensures even bearing surface during heat expansion Reduces localised pressure and prevents piston collapse Manufactured in Germany Specifications Bore: 96.01mm Diameter: 95.96mm Compression Ratio: 12.80:1 Ring Set P/N: 960ADS-2 Clips P/N: CW19 Pin P/N: WP028 Cross-Reference OEM Part Numbers Part No. 56-W9916.B.WO Wossner Piston 8931DB Vehicle Fitments Kawasaki KX450F 2016–2017 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KAWASAKI KX F 450 2016-2018

    2 in stock 1-2 business days

    £181.03

  • Piston Kit KXF450 16-18 High Compression Wossner Kit 4087DA

    Wossner Piston Kit KXF450 16-18 High Compression Wossner Kit 4087DA

    1 in stock 1-2 business days

    High Compression Piston kit 96mm Bore 95.95 Wossner 4087DA (STD) KAWASAKI KX450F 2016 - 2018, Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9916.A.WO.HC  (radhouse.co.uk)   WOSSNER 4087DA PISTON KIT 96.00mm  A GRADE PISTON KIT 95.95mm COMPRESSION RATIO 13.60:1 COMPRESSION HEIGHT 23,70mm STROKE 62,1 CLEARANCE 0.05mm THEORETICAL WEIGHT 256.50g Cross reference numbers  RING SET. TPR96.00 CLIPS. CW19 PIN. WP028-SP

    1 in stock 1-2 business days

    £222.05

  • Piston Kit KXF450 16-18 A, Forged Wossner Kit 8931DA 13001-0736

    Wossner Piston Kit KXF450 16-18 A, Forged Wossner Kit 8931DA 13001-0736

    1 in stock 1-2 business days

    This Wossner piston kit features a 96.00mm standard bore with a 95.95mm measured diameter, specifically designed for Kawasaki KX450F models from 2016 to 2018. Engineered with a forged construction and advanced heat transfer design, this piston ensures reliable performance under high-load conditions. Features Forged piston for enhanced strength and durability Designed for optimal combustion chamber heat dissipation to cylinder walls Elliptical shape provides uniform bearing surface during thermal expansion Even thrust load distribution reduces risk of piston collapse Manufactured in Germany Specifications Bore: 96.00mm Diameter: 95.95mm Compression Ratio: 12.80:1 Ring Set P/N: 960ADS-2 Clips P/N: CW19 Pin P/N: WP028 Cross-Reference OEM Part Numbers Part No. 56-W9916.A.WO Wossner Piston 8931DA 13001-0736 40082M09600 Vehicle Fitments Kawasaki KX450F 2016–2018 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KAWASAKI KX F 450 2016-2018

    1 in stock 1-2 business days

    £174.79

  • Piston Kit Aprilia RS125 C, Forged Wossner Kit 8253DC, Single Ring

    Wossner Piston Kit Aprilia RS125 C, Forged Wossner Kit 8253DC, Single Ring

    1 in stock 1-2 business days

    This Wossner piston kit features a 54.02mm bore with a measured diameter of 53.97mm and is engineered for Aprilia RS125 motorcycles produced from 1985 to 2012. Designed for performance and durability, the single-ring forged piston ensures efficient heat transfer and reliability under demanding conditions. Features Forged piston construction for high strength and durability Optimised design for efficient heat transfer from combustion chamber to cylinder walls Elliptical shape enhances bearing surface uniformity under heat expansion Distributes thrust loads evenly to prevent piston collapse Manufactured in Germany Specifications Bore: 54.02mm Diameter: 53.97mm Display: 125 cm³ Stroke: 54.50 mm Clearance: 0.05 mm Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Compression Height: 29.00 mm Ring Type: Single Ring Clips P/N: CW15 Pin P/N: WP032 Ring Set P/N: RSB5400 Cross-Reference OEM Part Numbers Part No. 56-W9913.00C.WO Wossner Piston 8253DC Vehicle Fitments Aprilia RS125 1985–2012 1985 Aprilia AF1 Futura 1985 Aprilia AF1 Replica 1985 Aprilia Caponord Rally 1985 Aprilia Europe Base 1985 Aprilia Mini RX 1985 Aprilia Pegaso Base 1985 Aprilia Red Rose Base 1985 Aprilia RS 125 1985 Aprilia Syntesi Base 1985 Aprilia Tuareg 250 1986 Aprilia AF1 Base

    1 in stock 1-2 business days

    £118.71

  • Piston Kit Aprilia RS125 B, Forged Wossner Kit 8253DB, Single Ring

    Wossner Piston Kit Aprilia RS125 B, Forged Wossner Kit 8253DB, Single Ring

    1 in stock 1-2 business days

    This Wossner piston kit features a 54.01mm bore and is designed with a 53.96mm diameter for high-performance applications. Engineered for optimal combustion chamber heat transfer and manufactured in Germany, this single-ring piston kit is suitable for select Aprilia RS125 models from 1985 to 2012. Features Forged construction for superior strength and performance Elliptical design ensures uniform bearing surface during thermal expansion Enhances heat transfer from combustion chamber to cylinder walls Helps prevent piston collapse by evenly distributing thrust loads Manufactured in Germany Specifications Bore: 54.01mm Diameter: 53.96mm Display: 125 cm³ Stroke: 54.50 mm Clearance: 0.05 mm Compression Ratio (Wossner): 2-stroke Compression Ratio (OEM): 2-stroke Compression Height: 29.00 mm Ring Type: Single Ring Clips P/N: CW15 Pin P/N: WP032 Ring Set P/N: RSB5400 Cross-Reference OEM Part Numbers Part No. 56-W9913.00B.WO Wossner Piston 8253DB Vehicle Fitments Aprilia RS125 1985–2012 1985 Aprilia AF1 Futura 1985 Aprilia AF1 Replica 1985 Aprilia Caponord Rally 1985 Aprilia Europe Base 1985 Aprilia Mini RX 1985 Aprilia Pegaso Base 1985 Aprilia Red Rose Base 1985 Aprilia RS 125 1985 Aprilia Syntesi Base 1985 Aprilia Tuareg 250 1986 Aprilia AF1 Base

    1 in stock 1-2 business days

    £118.71

  • Piston Kit Aprilia RS125 A, Forged Wossner Kit 8253DA, Single Ring

    Wossner Piston Kit Aprilia RS125 A, Forged Wossner Kit 8253DA, Single Ring

    1 in stock 1-2 business days

    This Wossner forged piston kit is designed for Aprilia RS125 motorcycles produced from 1985 to 2012. It features a standard 54.00mm bore with a piston diameter of 53.95mm and a single-ring configuration. Built for durability and efficient thermal management, the piston’s elliptical design ensures uniform expansion and optimal thrust load distribution. Precision-made in Germany, it maintains consistent performance across a wide range of 2-stroke Aprilia applications. Features Forged piston kit with single ring for Aprilia RS125 (1985–2012) Bore size: 54.00mm (Standard) Piston diameter: 53.95mm Elliptical design for improved thermal expansion and load balance Designed to prevent localised pressure and piston collapse Made in Germany Specifications Part No: 56-W9913.00A.WO Model: Wossner 8253DA Application: 2-stroke engine Displacement: 125cm³ Stroke: 54.50mm Clearance: 0.05mm Compression height: 29.00mm Compression ratio: 2-stroke (OEM and Wossner) Piston clips: CW15 Piston pin: WP032 Piston ring set: RSB5400 Cross-Reference OEM Part Numbers Not specified Vehicle Fitments Aprilia AF1 Futura 1985 Aprilia AF1 Replica 1985 Aprilia Caponord Rally 1985 Aprilia Europe Base 1985 Aprilia Mini RX 1985 Aprilia Pegaso Base 1985 Aprilia Red Rose Base 1985 Aprilia RS 125 1985 Aprilia RS 125 1985 Aprilia Syntesi Base 1985 Aprilia Tuareg 250 1985 Aprilia AF1 Base 1986

    1 in stock 1-2 business days

    £118.71

  • Piston Kit 2016 KTM SX150 58 B, 8299DC Wossner

    Wossner Piston Kit 2016 KTM SX150 58 B, 8299DC Wossner

    1 in stock 1-2 business days

    This Wossner forged piston kit is crafted for KTM SX150 models from 2016 to 2019, featuring a 58.02mm bore with a piston diameter of 57.97mm, offering a +0.02mm oversize for precise fitment. Designed for optimal strength and heat transfer, the piston employs an elliptical design to ensure even pressure distribution and prevent collapse under thermal expansion. Manufactured in Germany, it upholds stringent performance and durability standards. Features Forged piston kit for KTM SX150 (2016–2019) Bore size: 58.02mm (+0.02mm oversize) Piston diameter: 57.97mm Elliptical shape for consistent bearing surface under heat expansion Enhanced thrust load distribution to prevent piston deformation Made in Germany Specifications Part No: 56-W9912.C.WO Model: Wossner 8299DC Application: 2-stroke engine Piston clips: CW15 Piston pin: WP032 Piston ring set: RSB5800 Vehicle Fitments KTM SX150 2016 KTM SX150 2017 KTM SX150 2018 KTM SX150 2019 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM SX 150 2016-2020 KTM SX 150 2016-2018

    1 in stock 1-2 business days

    £128.87

  • Piston Kit 2016 KTM SX150 58 B, 8299DB Wossner

    Wossner Piston Kit 2016 KTM SX150 58 B, 8299DB Wossner

    2 in stock 1-2 business days

    Piston Kit Wossner 8299DB (+0.01mm) Manufacturer: Wossner Applications: KTM SX150 (2016-2019) Specifications: Bore: 58.01mm (Actual: 57.96mm) Display: Not specified Hub Stroke: Not specified Clearance: Not specified Wossner Compression Ratio: Not specified OEM Compression Ratio: Not specified Dome Volume: Not specified Compression Height: Not specified Theoretical Weight: Not specified Features: Wossner forged pistons are engineered for superior strength and design. Designed to optimize combustion chamber heat transfer to cylinder walls. Elliptically designed to ensure a more uniform bearing surface under piston heat expansion, thus preventing piston collapse. Made in Germany. This piston kit is specifically designed for the KTM SX150 model, covering the years 2016 to 2019. It includes a high-quality piston along with clips, piston pin, and ring set. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KTM SX 150 2016-2020 KTM SX 150 2016-2018

    2 in stock 1-2 business days

    £128.87

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