Namura Standard Bore Size A Top End Repair Kit for Yamaha YZ85 2002-2018 47.5mm

Standard Bore Size A Top End Repair Kit for Yamaha

This top end repair kit for Yamaha YZ85 provides all necessary components for a complete top end rebuild, restoring compression and performance. Designed for 2002-2018 YZ85 models with 47.5mm bore, it ensures a precise fit for standard bore applications. OEM cross-reference numbers are not listed, but this kit is engineered to match original specifications.

Overview

This top end repair kit for Yamaha YZ85 delivers everything needed to refresh the cylinder head and piston assembly. Ideal for YZ85 owners maintaining their dirt bike's top end, the kit includes a piston, rings, wrist pin, and gaskets for a reliable rebuild. Use this top end kit to restore power and extend engine life.

Built For Performance

• Includes piston, rings, wrist pin, and complete gasket set
• Precision-machined piston for consistent compression
• High-strength rings reduce blow-by and improve seal
• Durable wrist pin and circlips for secure connection
• Quality gaskets prevent leaks and ensure proper sealing

Fits These Machines

• for Yamaha YZ85 (2002-2018)

On-The-Job Use

• Motocross track maintenance and rebuilds
• Trail riding top end refresh
• Competition engine rebuilds for consistent power
• General off-road dirt bike maintenance

Specs At A Glance

Good To Know

Q: Is this kit suitable for a 2005 YZ85? A: Yes, it fits Yamaha YZ85 models from 2002 to 2018, including the 2005 model year, as long as the bore is standard size.

Q: Does the kit include cylinder head gaskets? A: Yes, the top end repair kit includes all necessary gaskets for the cylinder head and base, ensuring a complete rebuild.

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