wsm M7040 - Page 140

ENGINE
M6040, M7040, WSM
1-S8
Piston Ring Gap Top Ring
Second Ring
Oil Ring
0.25 to 0.40 mm
0.0098 to 0.0157 in.
0.30 to 0.45 mm
0.0118 to 0.0177 in.
0.25 to 0.45 mm
0.0098 to 0.0177 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
Piston Ring to Piston Ring Groove
• Top Ring
• Second Ring
• Oil Ring
Clearance
Clearance
Clearance
0.050 to 0.090 mm
0.0020 to 0.0035 in.
0.090 to 0.120 mm
0.0035 to 0.0047 in.
0.020 to 0.060 mm
0.0008 to 0.0023 in.
0.15 mm
0.0059 in.
0.20 mm
0.0079 in.
0.15 mm
0.0059 in.
Crankshaft Side Clearance 0.15 to 0.35 mm
0.0059 to 0.0138 in.
0.50 mm
0.0197 in.
Crankshaft Alignment – 0.02 mm
0.00079 in.
Crank Pin to Crank Pin Bearing
• Crankshaft Pin
Oil Clearance
O.D.
0.017 to 0.048 mm
0.0007 to 0.0019 in.
49.980 to 49.991 mm
1.9677 to 1.9682 in.
0.20 mm
0.0079 in.
–
Crankshaft Journal to Crankshaft Bearing
• Crankshaft Journal
Oil Clearance
O.D.
0.030 to 0.073 mm
0.0012 to 0.0029 in.
79.977 to 79.990 mm
3.1487 to 3.1492 in.
0.20 mm
0.0079 in.
–
Cylinder Bore I.D. 94.000 to 94.022 mm
3.7008 to 3.7017 in.
94.15 mm
3.7067 in.
Cylinder Bore (Oversize) I.D. 94.500 to 94.522 mm
3.7205 to 3.7213 in.
94.65 mm
3.7264 in.
Item Factory Specification Allowable Limit
KiSC issued 07, 2012 A