CHANGING THE FUSES
Carefully read p. 39 (MAINTENANCE).
CAUTION
Do not repair faulty fuses. Never use
fuses different from the recommended
ones.
The use of unsuitable fuses may damage
the electric system or, in case of short
circuit, may even cause a fire.
NOTE
If a fuse blows frequently, there
probably is a short circuit or an overload in
the electric system.
In this case it is advisable to consult an
aprilia Official Dealer.
If an electric component does not work or
works irregularly, or if the engine fails to start,
it is necessary to check the fuses.
use and maintenance
SR 50
64
2
1
To carry out the checking:
Turn the ignition switch to position "
to avoid any accidental short circuit.
Remove the battery/tool kit compartment
cover, see p. 20 (BATTERY / TOOL KIT
COMPARTMENT).
Remove the tool kit compartment.
Extract the fuses one by one and check if
the filament is broken.
Before replacing a fuse, try to find out the
cause of the trouble, if possible.
Then replace the damaged fuse with a
new one having the same amperage.
NOTE
If you use one of the spare fuses,
put a new fuse in the appropriate seat.
Put back the tool kit compartment.
Put back the battery/tool kit compartment
cover, see p. 20 (BATTERY / TOOL KIT
COMPARTMENT).
LOCATION OF FUSES
7.5A fuse (1) - From key switch to:
- stop light and relevant circuit;
- 2 stroke oil reserve sensor and relevant cir-
cuit;
- fuel level sensor and relevant circuit;
- coolant thermistor circuit;
- CDI circuit;
- direction indicators and relevant circuit;
- horn.
10A fuse (2) - From battery to:
- voltage regulator;
- ignition switch/steering lock;
- thermal switch;
",
- PTC.
LOCATION OF FUSES
7.5 A fuse (1) - From ignition switch to:
- turn indicator system
- horn
- fuel level system
- water temperature gauge
- oil level indicator
15 A fuse (2) - From battery to:
- injection system
- battery recharge system
- starting system
- engine stop lights