Namura Standard Bore Piston Rings for Yamaha YZ450FX & WR450F 2016-2020 97mm

Namura Standard Bore Piston Rings for Yamaha YZ450FX & WR450F

These Namura standard bore piston rings are designed for Yamaha YZ450FX and WR450F engines from 2016 to 2020 with a 97mm bore, providing a reliable seal for engine rebuilding.

Overview

Namura standard bore piston rings offer a durable and precise fit for Yamaha YZ450FX and WR450F engines manufactured between 2016 and 2020. These 97mm rings are intended for engine overhauls and performance builds, ensuring proper compression and oil control. The Namura standard bore piston rings are a popular choice for dirt bike enthusiasts seeking reliable replacement components.

Built For Performance

• Manufactured from high-quality cast iron for long wear life
• Precision ground to 97mm bore size for exact fit
• Includes oil ring and compression rings for complete sealing
• Standard bore design for stock cylinder dimensions
• Compatible with stock and aftermarket pistons

Fits These Machines

• for Yamaha YZ450FX (2016-2020)
• for Yamaha WR450F (2016-2020)

On-The-Job Use

• Engine rebuilding and top-end overhauls
• Performance modifications for increased power
• Replacing worn or damaged piston rings in dirt bike engines
• Restoring compression in high-mileage engines

Specs At A Glance

Good To Know

Q: Are these rings for a standard bore or oversized? A: These are standard bore rings for a 97mm cylinder; they are not suitable for overbored cylinders.

Q: Do these rings require any special break-in procedure? A: Follow the engine manufacturer's break-in recommendations; typically, vary RPM and avoid sustained high loads for the first few hours.

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