Namura Standard Bore Top End Rebuild Kit Size A for Yamaha WR450F 2024-2025 97mm

Standard Bore Top End Rebuild Kit Size A for Yamaha WR450F 2024-2025

This standard bore top end rebuild kit size A provides all necessary components to rebuild the cylinder head of a Yamaha WR450F from 2024 to 2025, featuring a 97mm bore.

Overview

This standard bore top end rebuild kit for Yamaha WR450F is designed for riders needing a reliable top end rebuild. The kit includes precision components to restore engine performance, making it a smart choice for your WR450F. Whether you are replacing worn parts or refreshing your engine, this standard bore top end rebuild kit delivers the quality you need.

Built For Performance

• Forged aluminum piston for reduced weight
• High-strength steel rings for effective sealing
• Hardened wrist pin for longevity
• Included circlips for secure retention
• Precision-machined bore matching 97mm diameter
• Complete kit for a straightforward rebuild

Fits These Machines

• for Yamaha WR450F 2024
• for Yamaha WR450F 2025

On-The-Job Use

• Used for top-end engine rebuilds after extensive trail riding
• Restores compression and power for enduro racing
• Ideal for maintenance intervals on high-hour WR450F engines
• Reduces downtime with a complete kit solution

Specs At A Glance

Good To Know

Q: Is this kit compatible with a 2023 WR450F? A: No, this kit fits only 2024-2025 model years; confirm your engine year before ordering.

Q: What compression ratio does this kit provide? A: This kit maintains standard compression; for higher compression options, consider aftermarket pistons.

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