1Be used for prevents over charging battery and improve charging capability. 2Original standard, perfectly match to the original motorcycle. 3Designed with heat sink fins for better cooling, long service life. 4Easy to install, just plug and play, no instructions required. 5Compatible for YAMAHA XV 535 XV535 VIRAGO 1987-1996 XV750 XV 1100 VMX 1200.Features:Be used for prevents over charging battery and improve charging capability. Original standard, perfectly match to the original motorcycle. Designed with heat sink fins for better cooling, long service life. Easy to install, just plug and play, no instructions required. Stable characteristics, a perfect replacement for the old or broken one. Compatible for YAMAHA XV 535 XV535 VIRAGO 1987-1996 XV750 XV 1100 VMX 1200. Specification:Condition: 100% NewMaterial: Aluminum AlloyColor: BlackSize: 75 * 34 * 17mm/3.0 * 1.3 * 0.7inCable Length: 345mm/13.6inPackage Weight: approx.114g/4ozFitment:for Yamaha XV 535 VIRAGO 1987-1990/1993-1996for Yamaha XV 1100 VIRAGO 1984-1987for Yamaha XV 1100 VIRAGO Special 1989-1996for Yamaha VMX 1200 1985-1997for Yamaha XV750Package list:1 * Motorcycle Regulator Rectifier