FIG. 1 CYLINDER HEAD ASSEMBLY
FIG. 2 VALVE ROTATOR ASSEMBLY
YANMAR.N18AL.146673-11720 (16) SUCTION VALVE 120
YANMAR.N18AL.146673-11110 (17) EXHAUST VALVE, CR PLATING
YANMAR.N18AL.141616-11171 (18) VALVE GUIDE
YANMAR.N18AL.146673-11650 (19) VALVE STEM SEAL, SUCTION
YANMAR.N18AL.141616-11751 (20) VALVE STEM SEAL, EXHAUST
YANMAR.N18AL.146673-01280 (67) PROTECTOR
YANMAR.N18AL.27323-140560 (3) CUP SPRING
YANMAR.N18AL.27324-140560 (4) RETAINING RING