(52.4mm x 55.5mm). Bolt to Bolt :152mm (6).
Rated Power & Rotating Speed: 5.8 kw/7500r/min±375 r/min. Torque & Rotating Speed: 8.5 N. Five wires (Plug): gear indicator.Pink (or Yellow) wire: Charging. Black & Red wire: signal trigger. Blue & White: trigger coil. It comes with: Chain case and Gasket, 35mm Air filter, PZ19 Carburetor, complete wire harness, exhaust pipe & muffler, and battery. All these parts can make your motor run.