wsm B2420 - Page 79

ENGINE
B2420, WSM
1-S7
LUBRICATING SYSTEM
Crankshaft Journal to Crankshaft Bearing 3
• Crankshaft Journal
• Crankshaft Bearing 3
Oil Clearance
O.D.
I.D.
0.034 to 0.098 mm
0.0013 to 0.004 in.
51.921 to 51.940 mm
2.0441 to 2.0449 in.
51.974 to 52.019 mm
2.0462 to 2.0480 in.
0.20 mm
0.0079 in.
–
–
Crankpin to Crankpin Bearing
• Crankpin
• Crankpin Bearing
Oil Clearance
O.D.
I.D.
0.029 to 0.091 mm
0.0012 to 0.0035 in.
39.959 to 39.975 mm
1.5732 to 1.5738 in.
40.040 to 40.050 mm
1.5764 to 1.5767 in.
0.20 mm
0.0079 in.
–
–
Crankshaft Side Clearance 0.15 to 0.31 mm
0.0059 to 0.012 in.
0.50 mm
0.020 in.
Cylinder
• Standard
• Oversize: 0.5 mm (0.0197 in.)
I.D.
I.D.
78.000 to 78.019 mm
3.0709 to 3.0716 in.
78.500 to 78.519 mm
3.0906 to 3.0912 in.
78.15 mm
3.077 in.
78.65 mm
3.096 in.
Item Factory Specification Allowable Limit
Engine Oil Pressure At Idle Speed
At Rated Speed
More than 49 kPa
0.50 kgf/cm
2
7.1 psi
197 to 441 kPa
2.00 to 4.50 kgf/cm
2
28.5 to 64.0 psi
–
147 kPa
1.50 kgf/cm
2
21.3 psi
Inner Rotor to Outer Rotor Clearance 0.060 to 0.18 mm
0.0024 to 0.0071 in.
–
Outer Rotor to Pump Body Clearance 0.100 to 0.180 mm
0.00394 to 0.00708 in.
–
Rotor to Cover End Clearance 0.025 to 0.075 mm
0.00099 to 0.0029 in.
–
Item Factory Specification Allowable Limit
KiSC issued 06, 2012 A