A pedal powered motor-assist golf bag cart/cycle (10) is a personal riding golf cart/cycle adapted to transport a rider and a golf bag (12) for use on a golf course. The cart/cycle (10) is generally symmetrical about a longitudinal plane (11) and includes a frame (14) with a seat (16), a front wheel and steering components (18), a rear wheel (20), an inclined bag support (22), a pedal subassembly (24), a motor assist subassembly (26), and controls (28). It is adapted to be propelled by either the pedal subassembly (24), the motor subassembly (26), or both together.