593959 Recoil Starter Assembly Replaces for BS 593961, 590588, 591139 ; Replaces 150-012, Ratio 003-522. 500E Pull Start Fits Models: BS 08P502, 093J02, 09P602, 09P702, 450E, 500E, 550E, 550EX, 575EX, 600E, 625E 125cc 140cc Engines 591139 Recoil Starter Dimension: 50 x 183mm / 1.97-inch x 7.2-inch (H*D); Mount Hole Diameter: approx. 5.5mm / 0.22inch; Mount Hole Distance: approx. 172mm / 6.77inch; Core Dia.: 57mm / 2.24" To ensure the perfect fit for your engine and avoid any unnecessary complications, kindly verify your engine's model and part numbers before placing your order.