Yamaha why YH50 Owner's Manual page 70

SPECIFICATIONS
Electrical:
Ignition system type
Charging system
Battery
Model
Voltage/capacity
Headlight type:
Bulbs (voltage/wattage x quantity):
Headlight
Brake/brake light
Turn signal light
Front
Rear
Meter lights
High beam indicator light
Turn signal indicator light
Oil warning light
8 Fuses:
Main fuse
C.D.I
Flywheel magneto
GM4-3B, YB4L-B, FB4L-B
12 V / 4 Ah
Bulb
12V, 35W/35Wx1
12V, 5W/21Wx1
12V, 10Wx2
12V, 10Wx2
12V, 1.2Wx2
12V, 1.2Wx1
12V, 1.2Wx1
12V, 2Wx1
7.5 A
8-3