Namura Standard Bore Piston Kit Size B 96.96mm for Yamaha YZ450F 2023-2025 97mm

Namura Standard Bore Piston Kit Size B 96.96mm for Yamaha YZ450F

This standard bore piston kit, sized B at 96.96mm, is a direct replacement for Yamaha YZ450F models from 2023 to 2025, designed to restore compression and performance with a 97mm bore specification.

Overview

The Namura Standard Bore Piston Kit Size B 96.96mm is a high-quality aftermarket piston assembly for Yamaha YZ450F motorcycles. It serves as a direct replacement for the original piston, restoring engine performance and reliability. This kit is intended for riders and mechanics rebuilding the top end of a 2023-2025 YZ450F.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Size B (96.96mm) for standard bore applications
• Includes piston, rings, wrist pin, and circlips
• Designed to match OEM specifications for reliable fit
• Compatible with 97mm bore cylinder

Fits These Machines

• for Yamaha YZ450F (2023)
• for Yamaha YZ450F (2024)
• for Yamaha YZ450F (2025)

On-The-Job Use

• Motocross racing
• Off-road competition
• Trail riding
• Engine rebuilding and maintenance
• High-performance riding applications

Specs At A Glance

Good To Know

Q: Is this piston kit a direct replacement for the OEM piston? A: Yes, it is designed to match OEM dimensions and specifications for the Yamaha YZ450F, but always verify compatibility with your specific serial number before installation.

Q: What is included in the kit? A: The kit includes the piston, piston rings, wrist pin, and circlips, everything needed for a standard bore rebuild.

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