What is the torque spec on series 60 bullgear nut?

The torque specification for the bullgear nut on a Series 60 engine typically ranges from 400 to 500 lb-ft (540 to 680 Nm). However, it's essential to consult the specific service manual for your engine model, as torque specs can vary based on application and revisions. Always ensure to use the proper sequence and tools when tightening to maintain engine integrity.