Namura Full Gasket Kit Complete Kit for Yamaha YZ250 fits 1999-2000 - NX-40025F

Full Gasket Kit for Yamaha

This Namura complete full gasket kit for Yamaha YZ250 (1999-2000) replaces OEM# NX-40025F for top-end rebuilding.

Overview

This Namura full gasket kit is designed for the Yamaha YZ250 from 1999 and 2000, replacing OEM part number NX-40025F. It contains all gaskets and O-rings needed for a top-end rebuild. Motocross and off-road riders refreshing their two-stroke engine will find this kit a complete solution.

Built For Performance

• Includes cylinder base gasket, head gasket, and exhaust gasket
• O-rings for coolant and reed valve included
• Pre-cut for accurate fit
• Constructed from high-temperature materials
• Comprehensive kit eliminates need for separate purchases

Fits These Machines

• for Yamaha YZ250 1999
• for Yamaha YZ250 2000

On-The-Job Use

• Top-end rebuild after piston replacement
• Restoration of vintage YZ250 models
• Preventive maintenance on high-hour engines

Specs At A Glance

Good To Know

Q: Does this kit include the power valve gaskets? A: This kit covers cylinder and head gaskets; power valve gaskets may be separate depending on model.

Q: Can this be used on YZ250 models from other years? A: It is specifically for 1999-2000; confirm gasket dimensions for other years.

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