How do you rebuild Briggs and stratton ohv engine?

To rebuild a Briggs and Stratton OHV engine, start by disassembling the engine carefully, noting the order and orientation of parts. Clean all components and inspect them for wear or damage, replacing any faulty parts such as gaskets, rings, or valves. Reassemble the engine using a torque wrench to ensure proper tightness of bolts, and follow the manufacturer's specifications for reassembly. Finally, perform a thorough check of the fuel and lubrication systems before starting the engine to ensure it runs smoothly.