Derbi Rambla 250 Manual page 56

Electrical system
5 Coil
Primary resistance: 0.2±10% Ohm at 20 °C (68 °
F)
Secondary resistance: 2.9±10% Ohm at 20 °C (68
°F)
6 Rear light unit
Tail light / stop light: 12V - 5/21W
Turn indicator light: 12V - 10W
7 Fuses
Main Fuses:
20A fuse (1):
From the battery to ignition switch, voltage regu-
lator, electric fan.
15A fuse (2):
From the ignition switch to all light loads and horn.
Auxiliary fuses:
15A fuse (3):
From the ignition switch to all light loads and horn.
15A fuse (4):
From the ignition switch to ignition.
8 Spark plug
NGK CR7EB, alternatively:
NGK CR8EB
NGK CR9EB
CHAMPION RG6YC
CHAMPION RG4HC
Spark plug electrode gap: 0.7. 0.8mm
Spark plug cap resistance: 5 K
ELE SYS - 56