Yanmar YM155d Service Manual page 156

[STANDARD OF BOLTTIGHTENING TORQUE]
BOLT CODE 00000
-
000000
["7" appears on the head of the 7T ({I 4T (No electro-deposited coating)
bolts.]
12) 7T
( N o elenrodeposited coating)
(71
4T
(With electro-deposited coating)
(61
7T
(With electro-deposited coating)