Stihl FS 131 Bike Handle Line TrimmerLandscaping professionals looking for a simplified and convenient trimming solution will love the STIHL FS 131 trimmer. With its low emission, 36. 3 cc engine and a larger fuel tank than the previous model, the FS 131 delivers 30% longer run times. Its bike handle design includes rubberized grips for enhanced grasp and comfort. The trimmer also features one touch stop and an easy, three step starting procedure enabled by the semi automatic choke