2001-2011 Yamaha YZ250F Magnetic Oil Drain Plug [Steel] 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 Steel. We Also Offer the Same Bolt Made of Aluminum in Our Store. Compatibility: 2001-2011 Yamaha YZ250F Thread Size: M10 X 1.25