Oil drawn from pan passes through screen to oil pump and is delivered to oil filter and main oil gallery. see scheme 26 Oil from main gallery lubricates chain tensioner and timing chain. Main oil gallery supplies oil to crankshaft main bearings through drilled passages in crankshaft.
Oil sprayed from connecting rods lubricates cylinder walls and piston pins. Hole in crankshaft center bearing feeds oil to camshaft bearings in cylinder head. Valve rocker arm mechanism is lubricated through oil gallery in camshaft and through holes in rocker arm shaft.
