Yamaha GRIZZLY 550 FI YFM5FGPSEY Owner's Manual page 145

1. Cover at the rear of the headlight
2. Remove the headlight bulb cover.
1. Headlight bulb cover
3. Disconnect the headlight coupler.
1. Headlight coupler
4. Unhook the headlight bulb holder, and then
remove the defective bulb.
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