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

Standard Bore Size C Top End Repair Kit for Yamaha

This Namura standard bore Size C top end repair kit is a direct replacement for Yamaha YZ85 models from 2002 to 2018, featuring a 47.5mm bore diameter.

Overview

This Namura standard bore Size C top end repair kit is designed for Yamaha YZ85 motorcycles, providing a 47.5mm bore diameter for engine rebuilds. It includes the piston, rings, wrist pin, gaskets, and circlips to restore compression and performance in Yamaha YZ85 two-stroke engines.

Built For Performance

• Precision-machined from high-strength aluminum alloy for durability
• Includes complete gasket set for a full top-end seal
• Matched piston rings ensure optimal compression
• Wrist pin and circlips included for easy assembly
• Designed to meet OEM specifications for Yamaha YZ85 engines
• Size C standard bore ensures correct fitment

Fits These Machines

• for Yamaha YZ85 (2002-2018)

On-The-Job Use

• Used for motocross racing and off-road riding on Yamaha YZ85
• Ideal for top-end rebuilds and engine restoration
• Suitable for both practice and competition use
• Commonly installed during routine engine maintenance

Specs At A Glance

Good To Know

Q: Will this top end repair kit fit a 2010 Yamaha YZ85? A: Yes, it fits all Yamaha YZ85 models from 2002 to 2018, including 2010, provided the cylinder bore is standard Size C.

Q: Does the kit include head gaskets? A: Yes, the kit includes a complete gasket set for the top end, so you can replace all necessary seals during the rebuild.

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