H4 HS1 LED Headlight Bulb Motorcycle Hi/Low Beam Lamp 6000K Super Bright White
WR 125 X 2008-2018 HS1. WR 125 R 2008-2018 HS1. EC-03 2014-2018 HS1. Dual Side Beam. For Yamaha H4/HS1 Hi/Low Beam. Q3: Neither side lighting up?. Both sides flicker, flash, or work inconsistantly. Power By Advanced Bright LED Circuitry.