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PISTON KIT 98-01 YZ125 54.00 A, WOSSNER 8091DA YAMAHA MX 4XM-11631-30-A0

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PISTON KIT 98-01 YZ125 54.00 A, WOSSNER 8091DA YAMAHA MX 4XM-11631-30-A0

PISTON KIT 98-01 YZ125 54.00 A, WOSSNER 8091DA YAMAHA MX 4XM-11631-30-A0

This Wossner piston kit with a 54.00mm bore is designed for Yamaha YZ125 and WR125 models from 1998 to 2001. Precision-forged in Germany, it delivers exceptional strength, heat dissipation, and reliability for two-stroke performance applications.



Features





  • Forged piston construction provides high strength and durability




  • Optimised for effective heat transfer from the combustion chamber to the cylinder wall




  • Elliptical shape enhances load distribution and reduces risk of piston collapse under heat expansion




  • Manufactured in Germany for precision and quality





Specifications





  • Bore size: 54.00 mm




  • Actual piston size: 53.95 mm




  • Display (cm³): 125




  • Stroke (mm): 54.50




  • Clearance (mm): 0.05




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




  • Dome volume: Not specified




  • Compression height (mm): 28.00




  • Theoretical weight: Not specified





Cross-Reference OEM Part Numbers





  • 4XM-11631-30-A0




  • 09104819




  • 726M05400





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# 8091DA




  • Lock: PN# CW15




  • Pin: PN# WP032




  • Ring Set: PN# RSB5400




  • Rod: PN# P2019



$210.72
PISTON KIT 98-01 YZ125 54.00 A, WOSSNER 8091DA YAMAHA MX 4XM-11631-30-A0—
$210.72

Product Information

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Description

This Wossner piston kit with a 54.00mm bore is designed for Yamaha YZ125 and WR125 models from 1998 to 2001. Precision-forged in Germany, it delivers exceptional strength, heat dissipation, and reliability for two-stroke performance applications.



Features





  • Forged piston construction provides high strength and durability




  • Optimised for effective heat transfer from the combustion chamber to the cylinder wall




  • Elliptical shape enhances load distribution and reduces risk of piston collapse under heat expansion




  • Manufactured in Germany for precision and quality





Specifications





  • Bore size: 54.00 mm




  • Actual piston size: 53.95 mm




  • Display (cm³): 125




  • Stroke (mm): 54.50




  • Clearance (mm): 0.05




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




  • Dome volume: Not specified




  • Compression height (mm): 28.00




  • Theoretical weight: Not specified





Cross-Reference OEM Part Numbers





  • 4XM-11631-30-A0




  • 09104819




  • 726M05400





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# 8091DA




  • Lock: PN# CW15




  • Pin: PN# WP032




  • Ring Set: PN# RSB5400




  • Rod: PN# P2019



PISTON KIT 98-01 YZ125 54.00 A, WOSSNER 8091DA YAMAHA MX 4XM-11631-30-A0 | SMXOFFROAD Ltd