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PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
  • PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX
PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX

PISTON KIT 02-04 YZ125 56.00, WOSSNER 8072D200 YAMAHA MX

£97.07 GBP
Taxes included.

This Wossner piston kit features a 56.00mm bore and 55.94mm actual piston diameter, tailored for Yamaha YZ125 models from 2002 to 2004. With a +2.00mm oversize, this forged piston delivers robust performance, enhanced heat dissipation, and structural reliability in high-demand 2-stroke engine applications.

Features

  • Forged piston construction ensures superior strength and longevity

  • Facilitates optimal heat transfer from combustion chamber to cylinder walls

  • Elliptical profile provides consistent bearing surface during thermal expansion

  • Even distribution of thrust loads prevents localised pressure and piston collapse

  • Manufactured in Germany

Specifications

  • Bore: 56.00mm

  • Piston Diameter: 55.94mm

  • Display (cm³): 125

  • Stroke (mm): 54.50

  • Clearance (mm): 0.06

  • Compression Height (mm): 28.00

  • Wossner Compression Ratio: 2-stroke

  • OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

  • 5NY-11631-01-D0

  • 5NY-11631-01-C0

  • 5NY-11631-01-B0

  • 5NY-11631-01-A0

  • Ring: 5NY-11611-00-00

  • Pin: 5UN-11633-00-00

  • Circlip: 93450-16068-00

Vehicle Fitments

  • Yamaha YZ125 2002–2004

Included Components

  • Lock: CW15

  • Pin: WP032

  • Ring Set: RSB5600

  • Rod: P2017

  • Part Number: 56-W797.200.WO (Piston PN# 8072D200)