Used to prevent overcharging the battery and improve charging performance. Designed with heat sink fins for better cooling and long service life. Meets original equipment standards for a perfect fit on compatible motorcycles. Features stable performance, making it an ideal replacement for worn or damaged units. Easy to install with plug-and-play functionalityno additional instructions required. Compatible with select Yamaha models including YZF R1, FZ1000, FZ1, FJR1300, VMX17 V-Max, and XV1700A.Features: - Prevents battery overcharging and enhances charging efficiency - Built-in heat sink fins for effective heat dissipation and extended lifespan - OEM standard design ensures reliable fit and performance - Direct replacement for original unitno modifications needed - Stable electrical characteristics for consistent operation Specifications: - Condition: - Material: Aluminum Alloy - Color: Black - Working Voltage: DC 12V - Dimensions: 102 x 90 x 28mm (4 x 3.5 x 1.1 inches) - Package Weight: Approximately 298g (10.5 oz) Fitment: Compatible with the following Yamaha models: - YZF-R1 (20022012) - FZ1000 / FZ1 (20062010) - FJR1300 (20032011), XVS400 (20102012) - VMX17 V-Max (20092012) - XV1700A Road Star (20082010) - XV1700AS (20082014) - XV17A Road Star XL, XW, Silverado (20082012) - XV1700PC Road Star Warrior (20022010) - XV1700P Road Star Midnight Warrior (20052009) - XV19C Stratoliner, S, Midnight, Deluxe (20062011) - FZ8 / FZ-8N (20112013) - XV19S Roadliner S (20062010) - XV1900 (20062013) - XVS950 V-Star (20092010) - XVS1300 V-Star (20072014), Tourer (20072010) - XV19C Raider (20082011) - YXR7F Rhino 700 4x4 (20082012) - YFM550 Grizzly (20112012) - YFM700 Grizzly (20072012) Package List: 1 x Motorcycle Regulator Rectifier