Wiseco 54mm Piston Ring Set for 1998-2004 Yamaha YZ125 2126CST

Worn or damaged piston rings directly compromise compression, power output, and fuel efficiency—especially critical in high-rev 2-stroke engines like the YZ125. The Wiseco 54mm Ring Set delivers OEM-spec fitment with superior heat resistance and sealing integrity, ensuring your engine performs at peak efficiency whether you're racing or riding hard on the trail.

These rings are engineered to maintain consistent blowby control under extreme combustion pressures and temperature swings. By restoring proper ring-to-cylinder contact, you'll recover lost compression, improve throttle response, and extend overall engine life between rebuilds.

• 54mm bore diameter
• 1998-2004 YZ125 specific
• Precision-engineered fitment
• High-temperature material
• Superior sealing capability
• Wear-resistant construction
• Bolt-on installation
• No special tools required
• Race and trail proven
• OEM-equivalent performance