Suzuki VZ1500 Owner's Manual page 157

Turn Signal Lights
To replace the turn signal light bulbs,
follow these directions.
1. Remove the screw 1.
2. Turn the lens counterclockwise and
remove it.
3. Push in on the bulb 2, turn it to the
left, and pull it out.
4. To fit the replacement bulb, push it in
and turn it to the right while pushing.
7-65