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PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
  • PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX
PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX

PISTON KIT 98-01 YZ125 54.00 C, WOSSNER 8091DC YAMAHA MX

£114.12 GBP
Taxes included. Shipping calculated at checkout.

This Wossner piston kit with a 54.02mm bore (+0.02mm oversize) is tailored for Yamaha YZ125 and WR125 models from 1998 to 2001. Featuring a forged construction and precision engineering, it delivers exceptional strength, thermal efficiency, and reliability for high-performance two-stroke engines.

Features

  • Forged piston ensures durability and high mechanical strength

  • Optimised design for efficient heat dissipation from combustion to cylinder wall

  • Elliptical profile promotes even load distribution and prevents piston collapse during thermal expansion

  • Manufactured in Germany for consistent performance and quality

Specifications

  • Bore size: 54.02 mm

  • Actual piston size: 53.97 mm

  • Display (cm³): 125

  • Stroke (mm): 54.50

  • Clearance (mm): 0.05

  • Compression ratio: 2-stroke (Wossner and OEM)

  • Compression height (mm): 28.00

Vehicle Fitments

  • 1998 Yamaha WR125

  • 1998 Yamaha YZ125 Base

  • 1999 Yamaha WR125

  • 1999 Yamaha YZ125 Base

  • 2000 Yamaha WR125

  • 2000 Yamaha YZ125 Base

  • 2001 Yamaha WR125

  • 2001 Yamaha YZ125 Base

Included Components

  • Piston: Wossner PN# 8091DC

  • Lock: PN# CW15

  • Pin: PN# WP032

  • Ring Set: PN# RSB5400

  • Rod: PN# P2019