3356169 - INTRODUCTION - CYLINDER HEAD(S)

CONSTRUCTION SPECIFICATIONS

The cylinder head is one-piece in aluminium alloy.The four valves per cylinder are fitted in the guides, operated by two camshafts by means of hydraulic tappets with cups without adjustment plates.The valve springs are tapered and can only be fitted in the correct position.The two different inlet openings are independent for each cylinder, one acts as the filler duct, the other has been designed for improving turbulence.Thereis a projection (2) on the inside of the tappet (1) whose height varies according to the dimensions.The gasket between the cylinder head and crankcase is metal and 0.45 mm thick.The gasket between the cylinder head and crankcase is metal and 0.45 mm thick.