Dirt Bike Yamaha WR 250 F 2001Dirt Bike Yamaha WR 250 F 2002Dirt Bike Yamaha WR 250 F 2003Dirt Bike Yamaha WR 250 F 2004Dirt Bike Yamaha WR 250 F 2005Dirt Bike Yamaha WR 250 F 2006Dirt Bike Yamaha WR 250 F 2007Dirt Bike Yamaha WR 250 F 2008Dirt Bike Yamaha WR 250 F 2009Dirt Bike Yamaha WR 250 F 2010Dirt Bike Yamaha WR 250 F 2011Dirt Bike Yamaha WR 250 F 2012Dirt Bike Yamaha WR 250 F 2013Dirt Bike Yamaha YZ 250 F 2001Dirt Bike Yamaha YZ 250 F 2002Dirt Bike Yamaha YZ 250 F 2003Dirt Bike Yamaha YZ 250 F 2004Dirt Bike Yamaha YZ 250 F 2005Dirt Bike Yamaha YZ 250 F 2006Dirt Bike Yamaha YZ 250 F 2007Dirt Bike Yamaha YZ 250 F 2008Dirt Bike Yamaha YZ 250 F 2009Dirt Bike Yamaha YZ 250 F 2010Dirt Bike Yamaha YZ 250 F 2011Dirt Bike Yamaha YZ 250 F 2012Dirt Bike Yamaha YZ 250 F 2013 Specs: Intake Camshaft, Stage 1: Dual cam engine. Intake and exhaust cams sold separately. Increases bottom and midrange power for improved snap. Uses stock valve springs. Comaptible with/Replacement for OEMS 17D-12170-10-00, 5NL-12170-00-00, 5PH-12170-00-00, 5UL-12170-00-00, 5UL-12170-10-00, 5UM-12170-00-00, 5UM-12170-10-00 Compatible With/Replacement For: Dirt Bike Yamaha WR 250 F 2001-2013, YZ 250 F 2001 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement. 100% New aftermarket Intake Camshaft built to meet OEM specifications Brand Hot Cams Model 4012-1IN Item Weight 13.4 ounces Manufacturer Hot Cams OEM Part Number Yamaha YZ 250 F 01 02 03 04 05 06 07 08 Item model number 4012-1IN Product Dimensions 3 x 3 x 9.75 inches Manufacturer Part Number 4012-1IN