1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 107Get this manual
4-1 ELECTRICAL
BATTERY CHARGING SYSTEM
OUTLINE
The battery charging system circuit is illustrated belowIt is composed of the BATTERY CHARGE COIL, RECTIFIERREGULATOR and BATTERYThe three phase AC current generated from battery charge coil is converted by the rectifierregulator into regulated DC current which is used to charge the battery