2009 Yamaha WR250R Magnetic Oil Drain Plug [Aluminum] Protect Your Bike and Make it Look Better at the Same Time Comes with Powerful Magnets Embedded in Them to Catch Any Ferrous Metallic Particles That Might be Scraped from Cylinder Walls, Gears, Etc. This Bolt is Made of Aluminum. We Also Offer the Same Bolt Made of Steel in Our Store. Compatibility: 2009 Yamaha WR250R Thread Size: M10 X 1.25