Install a new cylinder head gasket without using sealant.
Install and center the cylinder head by inserting the camshaft cover mounting bolt into the head hole.
Tighten the cylinder head to camshaft cover bolt.
Install the camshaft by inserting its end into the sprocket. When installing the camshaft, make sure that the key does not fall out of the socket. Replace the rocker arm lubrication line.
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Lubricate the threads of the cylinder head bolts and their washers with engine oil.
Check the offset of the rocker arm adjusting screw axis relative to the exhaust valve stem axis, which should be 1 mm.
Insert the mounting bolts into the cylinder head holes and tighten them to a torque of 7.8-8.2 kgf·m in the sequence shown in the photo.
Check the installation of the camshaft drive chain and sprocket.
Install the cylinder head cover, then the intake and exhaust manifolds.
Connect the cooling system hoses.
Connect the plug connectors and attach the throttle control cable.
Fill the cooling system with liquid and remove air from it.
Start, warm up and stop the engine.
Adjust the valve clearances on a hot engine, as stated above.
Allow the engine to cool for at least two hours and finally tighten the cylinder head bolts.