2004-2005 660 Yamaha Rhino Factory Service Manual, Page 125Get this manual
CHECKING AND CHARGING THE BATTERY CHECKING THE FUSES 7 8
Install: battery Connect: battery leads
CAUTION: First, connect the positive battery lead 1, and then the negative battery lead 29Check: battery terminals Dirt Clean with wire brushLoose connection Connect properly10.Lubricate: battery terminals Recommended lubricant Dielectric grease 11.Install: battery case cover 12.Close the hood