Namura Standard Bore Piston Kit Size A 96.95mm for Yamaha YZ450FX 2024-2025 97mm

Standard Bore Piston Kit Size A 96.95mm for Yamaha

This standard bore piston kit replaces the factory piston in Yamaha YZ450FX models, featuring a 96.95mm size A piston for a precise fit. Designed for off-road competition, the piston kit restores compression and reliability.

Overview

This piston kit is a standard bore replacement for Yamaha YZ450FX engines, using a 96.95mm size A piston. It includes all necessary components for a complete rebuild, ensuring your Yamaha YZ450FX runs at peak performance. The piston kit is manufactured to strict tolerances for consistent power delivery.

Built For Performance

• High-strength aluminum alloy construction
• Precision-machined ring grooves for optimal sealing
• Cam-ground skirt reduces friction and noise
• Coated wrist pin for smooth operation
• Balanced weight for reduced vibration
• Includes rings, wrist pin, and circlips

Fits These Machines

• for Yamaha YZ450FX (2024)
• for Yamaha YZ450FX (2025)

On-The-Job Use

• Motocross racing
• Enduro and off-road riding
• Trail riding and recreational use
• Competition and practice sessions

Specs At A Glance

Good To Know

Q: What is included in this piston kit? A: The kit includes the piston, piston rings, wrist pin, and retaining circlips for a complete installation.

Q: Is this piston kit a direct replacement? A: Yes, it is designed as a direct drop-in replacement for the original piston in compatible Yamaha models, using the same bore size.

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