Namura .040 Over Bore Piston Rings for Yamaha Blaster 200 fits 1988-2006 67mm

Over Bore Piston Rings for Yamaha

These .040 over bore piston rings are sized at 67mm for Yamaha Blaster 200 rebuilds.

Overview

The .040 over bore piston rings are essential for restoring cylinder compression in a bored-out Yamaha Blaster 200 engine. These .040 over bore piston rings provide a tight seal against the cylinder wall to ensure efficient combustion. They are intended for use with an engine that has been machined to the appropriate oversize specification.

Built For Performance

• Precise end-gap clearances
• High-tension ring design
• Compatible with 67mm bore
• Heat resistant alloy composition
• Improves engine compression

Fits These Machines

• for Yamaha Blaster 200 1988-2006

On-The-Job Use

• Full engine top-end rebuilds
• Restoring power to a high-hour machine
• Correcting compression loss due to cylinder wear

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder? A: Yes, a proper cylinder hone is necessary to ensure the rings seat correctly during the break-in period.

Q: Are these for a stock piston? A: These rings are designed for a 67mm oversize piston, not the original factory size.

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