KRYOTEC ENGINE 93 2. Install the cylinder head centering bushing into the engine block, timing gear side. NOTE In case it was not necessary to proceed to the flattening of the cylinder head, use a NEW gasket having the same thickness of the removed. Otherwise it is necessary to determine the thickness of the NEW cylinder head gasket. 3. If necessary, measure the protrusion of the pistons at two points 180° apart, on the axis of the pin with the tool and take the average of the two readings for each piston. 4. If necessary, choose the thickness of the cylinder head gasket to be used, as a function of the maximum value between the averages of the protrusion of the pistons (Refer to 09 - Engine/ Specifications). 5. Install the NEW cylinder head gasket. NOTE Move the cylinder to the 1st P.M.S.; further rotate the crankshaft of two teeth of the pulley driving gear so as to lower the pistons, thus avoiding any interference with the valves during the assembly of the cylinder head. 6. Place the cylinder head on the engine block. NOTE The cylinder head bolts, due to the permanent elongation which happens at during installation, cannot be reused more than four times. Therefore, if you do not know the number of previous cylinder head bolt installations, it is imperative to replace them.
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