About 30 seconds give or take a little. There plenty bright enough as soon as you turn them on but they continue to get brighter. Some times you can hear them making a real high pitch squeal/wine for a few seconds when you first turn them on and there heating up.
A forum community dedicated to Off Road Powersport owners and enthusiasts. Come join the discussion about performance, reviews, classifieds, troubleshooting, maintenance, and more! Open to anything that slings mud Including Yamaha, Honda, Kawasaki, and Suzuki.