SaferCCTV TM New Starter Relay Solenoid for ATV YFZ450 YFZ 450 2004 2005 2006 2007 2008 (2004-2008) 1. Fitment:Fit for Yamaha YFZ450 YFZ 450 2004 2005 2006 2007 2008 2. Also suitable for ATV ( all-terrain vehicle ) 3 . Relay is used for electronic applications to turn on / off almost any device 4. It is used when a device draws heavy amperage 5. Notes:Please make sure your vehicle model before purchase it