Namura Standard Bore Size B Piston & Gasket Kit for Yamaha YZ450F 2018-2019 97mm

Standard Bore Size B Piston & Gasket Kit for Yamaha YZ450F 2018-2019 97mm

This piston and gasket kit delivers a direct replacement for Yamaha YZ450F 2018-2019 models with a 97mm standard bore size, ensuring reliable engine rebuild performance.

Overview

This standard bore size B piston and gasket kit is designed specifically for Yamaha YZ450F motorcycles from 2018 to 2019. It includes everything needed for a top-end rebuild: piston, rings, wrist pin, and all necessary gaskets. Whether you are restoring power or replacing worn parts, this piston and gasket kit offers a cost-effective solution for your Yamaha YZ450F.

Built For Performance

• Precision-machined piston ensures accurate fit and reduced friction
• High-strength piston rings provide excellent compression and oil control
• Complete gasket set includes head, base, and other necessary gaskets
• Direct replacement design simplifies installation on Yamaha YZ450F
• Durable alloy construction withstands high temperatures and stress

Fits These Machines

• for Yamaha YZ450F (2018)
• for Yamaha YZ450F (2019)

On-The-Job Use

• Motocross racing requiring consistent power delivery
• Trail riding where reliability is critical
• Off-road competition demanding high-performance top-end components

Specs At A Glance

Good To Know

Q: Does this kit include piston rings? A: Yes, the kit includes piston rings, wrist pin, and circlips along with all necessary gaskets for a complete top-end rebuild.

Q: Is this kit compatible with a stock cylinder? A: This standard bore size B kit is designed for stock 97mm cylinders on Yamaha YZ450F 2018-2019 models, requiring no oversize machining.

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