A recumbent exerciser includes a base, a right link and a left link are pivotably connected to the base and a right cam and a left cam are connected to the right link and the left link respectively. A right pedal and a left pedal are connected to two respective top ends of the right link and the left link, and a right swinging arm and a left swinging arm are connected to the right link and the left link. A resistance unit provides resistance to the right and left pedals and the right left swinging arms when the right and left cams are driven by operation of the user so as to exercise the user's hands and legs. The resistance unit is located remote from the seat so that the seat does not need to remove to maintain the resistance unit and the cams.