2001-2005 Yamaha WaveRunner GP800R Factory Service Manual, Page 359Get this manual
E EJU00600
Connecting the jumper cables
1Connect the positive (+) jumper cable to the positive (+) terminals of both batteries2Connect one end of the negative () jumper cable to the negative () terminal of the booster battery 3Connect the other end of the negative () cable to an unpainted bolt on the cylinder head
CAUTION: