Features:1.Preventing over charging battery and improve charging capability.2.Designed with heat sink fins for better cooling, long service life.3.Solid-state electronic component, help to dissipate excess voltage.4.Original standard, perfectly match to the original motorcycle.5.Compatible for Yamaha YZF-R1 1999-2001 R6 1998-2002.Specification:Features:Preventing over charging battery and improve charging capability. Designed with heat sink fins for better cooling, long service life. Solid-state electronic component, help to dissipate excess voltage. Original standard, perfectly match to the original motorcycle. Easy to install, just plug and play, no instructions required. Compatible for Yamaha YZF-R1 1999-2001 R6 1998-2002. Specification:Condition: NewMaterial: Aluminum AlloyColor: BlackSize: 88 * 90 * 27mm/3.5 * 3.5 * 1.1inPackage Weight: approx.232g/8.2ozFitment:for Yamaha YZF-R1 1999-2001for Yamaha YZF-R6 1998-2002for Yamaha YZF600 1996-2005for Yamaha YZF600R 1995-2007for Yamaha FZ6/FZ6N/FZ6S 2004-2009for Yamaha FZR600 FZR600R 1995-1999for Yamaha XP500 T-MAX500 2001-2007for Yamaha TDM850 1996-2001Package list:1 * Motorcycle Regulator RectifierPackageList: