Namura Standard Bore Top End Rebuild Kit for Yamaha Breeze 125 Grizzly 125 49mm

Standard Bore Top End Rebuild Kit for Yamaha

This top end rebuild kit provides all necessary components to restore engine performance for Yamaha Breeze 125 and Grizzly 125 models with a 49mm standard bore. It is designed for ATV and utility vehicle engines needing a reliable top end overhaul.

Overview

This top end rebuild kit is a complete set of components required to refurbish the upper cylinder area of Yamaha Breeze 125 and Grizzly 125 engines. It includes a 49mm standard bore piston, rings, wrist pin, and all necessary gaskets. Designed for do-it-yourself mechanics and shop technicians, this kit ensures a proper fit and reliable performance for your Yamaha ATV.

Built For Performance

• Includes precision-machined 49mm piston for accurate cylinder fit
• High-quality ring set ensures proper compression and oil control
• Kit contains all gaskets needed for a complete seal
• Direct replacement for worn top end components
• Manufactured to strict tolerances for consistent performance

Fits These Machines

• for Yamaha Breeze 125
• for Yamaha Grizzly 125

On-The-Job Use

• Restores lost power and compression in high-hour engines
• Ideal for utility ATV maintenance and repair
• Suitable for recreational riding and farm applications
• Used during full engine rebuilds or top end refresh

Specs At A Glance

Good To Know

Q: Do I need any special tools to install this kit? A: Basic engine assembly tools are required, including a ring compressor and torque wrench. Professional installation is recommended if you are not experienced with top end work.

Q: Can this kit be used with a different bore size? A: This kit is specifically for 49mm standard bore. For oversize bores, use the corresponding oversize kit from the same series.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.