Old Bora's cylinder head screw. What wrench?

Generally, the torque wrench of cylinder head screw should reach 28-30kg force. This power is strong enough. Not too big! In addition, the number of cylinder head bolts is also large. There is only one purpose, to cover the cylinder tightly and the torque of the screw should meet the standard. Also, it is also required to screw that first and then that, starting from the center to the periphery in turn, and tightening it several times.

The cylinder head is used to seal the gas generated when the cylinder block works. The screws on it must be tightened.