Fig. 2.25. Timing chain: 1 – camshaft sprocket; 2 – tensioner lever; 3 – chain tensioner; 4 – chain guide; 5 – crankshaft sprocket; 6 -timing mechanism drive chain; 7 – step size; 8 – step; 9 – connection
Engine oil inside the front engine cover lubricates the timing chain and sprockets. The timing chain pins are nitrided for increased abrasion resistance (Fig. 2.25).
(Content based on information from: MAZBOOK.RU)