1-S53
MX5100, WSM
ENGINE
Crankshaft
• Before disassembling, check the side clearance of
crankshaft. Also check it during reassembling.
1. Remove the main bearing case screw 2 (1).
2. Turn the crankshaft to set the crank pin of the 4th cylinder to the
horizontal directions (Right or Left). Then draw out all the
crankshaft, holding the crank pins to the horizontal directions
(Right or Left).
(When reassembling)
• Install the crankshaft sub assembly, aligning the screw hole
of main bearing case 2 (2) with the screw hole of cylinder
block.
• When tightening the main bearing case screw 2 (1), apply oil
to the screw and screw by hand before tightening the
specific torque.
If not smooth to screw by hand, align the screw holes
between the cylinder block and the main bearing case.
W1066311
Tightening torque Main bearing case screw 2
69 to 73 N·m
7.0 to 7.5 kgf·m
51 to 54 lbf·ft
(1) Main Bearing Case Screw 2
(2) Main Bearing Case 2
(3) Crankshaft Bearing 1
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