Sym PA12B Service Manual page 213

13. Electrical System
Taillight / brake light
Bulb replacement
Remove the taillight lens screw.
Caution
Make sure taillight lens and case properly
sealed up during assembly.
Remove the lens.
Press the bulb slightly and rotate it
counterclockwise to remove it.
Specification：
Taillight / brake light 12V 5W/18W
Installation
Install in the reverse order of removal.
13-20
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Waterproof rubber
Screw×2