What is head torque for yanmar 4TNV98?

The head torque specification for the Yanmar 4TNV98 engine is typically around 70-85 ft-lb (95-115 Nm) for the cylinder head bolts. It's essential to follow the manufacturer's specifications and sequence when tightening to ensure proper sealing and engine performance. Always consult the engine's service manual for the exact torque settings and procedures.