Namura .080 Over Bore Piston Kit & Top Bearing for Yamaha Blaster 200 68mm

Namura .080 Over Bore Piston Kit & Top Bearing for Yamaha

This .080 over bore piston kit and top bearing is designed for Yamaha Blaster 200 models requiring a 68mm piston. The kit includes a Namura piston, rings, wrist pin, and top bearing to rebuild the top end. It delivers the exact oversize needed to refresh a worn cylinder.

Overview

The Namura .080 over bore piston kit and top bearing provides a complete replacement for Yamaha Blaster 200 engines needing a 68mm piston. This piston kit restores compression and performance by using an oversize bore that matches the .080 over specification. Riders rebuilding their Blaster 200 top end rely on this piston kit for a reliable fit.

Built For Performance

• Namura piston cast from high-silicon aluminum for strength and heat resistance
• .080 over bore size (68mm) for use after cylinder boring
• Includes precision-machined wrist pin and circlips
• Top bearing included for connecting rod small end
• Ring set features proper end gap for Blaster 200 applications
• Designed to match OEM compression ratio specifications

Fits These Machines

• for Yamaha Blaster 200

On-The-Job Use

• Rebuilding a worn top end to restore engine power
• Installing after cylinder boring to .080 over size
• Competitive dirt track or trail riding where consistent performance is needed

Specs At A Glance

Good To Know

Q: Does this piston kit require cylinder boring? A: Yes, the cylinder must be bored to .080 over (68mm) to match this oversize piston before installation.

Q: Can I reuse the old top bearing? A: No, the kit includes a new top bearing, and it is recommended to replace it during a top-end rebuild for proper clearance.

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