Namura Standard Bore Size C Top End Repair Kit for Yamaha YZ450F 2014-2017 97mm

Namura Standard Bore Size C Top End Repair Kit for Yamaha

This top end repair kit provides the piston, rings, pin, and gaskets needed to rebuild the cylinder head of compatible Yamaha YZ450F models, restoring engine power and reliability.

Overview

The Namura Standard Bore Size C Top End Repair Kit is designed to give your Yamaha YZ450F a fresh start by replacing worn top end components. It is a direct-fit replacement that helps maintain optimal compression and performance during rebuilds.

Built For Performance

• 97mm bore size matches stock specifications for accurate fit
• Includes piston, rings, wrist pin, circlips, and cylinder gasket
• Precision-machined components for consistent clearance
• High-strength materials withstand high-RPM loads
• Coated piston skirt reduces friction and wear

Fits These Machines

• for Yamaha YZ450F (2014-2017)

On-The-Job Use

• Motocross racing and track days
• Off-road trail riding and enduro
• Engine rebuilds during routine maintenance
• Rebuilding after piston seizure or ring wear

Specs At A Glance

Good To Know

Q: What does this top end kit include? A: This kit includes a piston, ring set, wrist pin, circlips, and head gasket, providing all the wear items for a complete top end rebuild.

Q: Is this a direct replacement for my stock parts? A: Yes, this Namura kit is designed to match OEM specifications for the listed Yamaha YZ450F models, but always verify fitment with your serial number.

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