Make sure that the ignition switch is in position "".
Raise the fuel tank, see 2.9.1.
Make sure that the cable terminals (1) and the battery terminals (2) are:
- in good conditions (and not corroded or covered with deposits);
- covered with neutral grease or vaseline.
If necessary, proceed as follows:
Disconnect the negative cable (-) first and the the positive one (+).
Brush the wire with a wire brush, in order to eliminate any trace of corrosion.
Reconnect the positive terminal (+) first and then the negative one (-).
Cover the terminals of the cables and of the battery with neutral grease or vaseline.
Refit the fuel tank, see 4.1.1.