Yamaha YSR45FX Owner's Manual page 146

1, Jumper cable p ositive lead
2. Jumper cable n egative lead
5. Connect the negative lead of the jumper
cable to the negative terminal of the
charged battery and the other end of the
negative lead to an unpainted metal sur-
face of the vehicle to be started.
6. Start the engine. (Refer to "Starting a
cold engine" on pages 6-2-6-5.)
7. After the engine starts, disconnect the
negative lead of the jumper cable from
the vehicle and charged battery, and
then disconnect the positive lead of the
jumper cable from the charged battery
and the battery in the vehicle.
8. Reinstall the battery compartment cover.
9. Close the hood.
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