Cylinder firing order: 1-2-3-4-5-6. The cylinder block, cylinder heads and coolant pump housing are made of aluminum alloy.
The forged steel crankshaft is supported by four bearings.
The piston is cast from a special aluminum alloy and is connected by a floating piston pin to the connecting rod. Piston rings are cast iron. The first ring has a barrel-shaped outer surface, the second ring has a conical outer surface with a bevel. The oil scraper ring is composite, scraper type with a spring expander.
In the cylinder head are tent-type combustion chambers. The inlet and outlet valves are made of heat resistant steel. The valves are driven by tappets with built-in hydraulic clearance compensators.
The cast camshaft is supported by five (intake valve shaft) or six (exhaust valve shaft) bearings and secured with covers. The exhaust camshaft is driven from the crankshaft by a toothed belt. The belt tension is regulated by an automatic tensioner. The intake valve shaft is driven from the exhaust valve shaft by a short single row chain.