wsm B2420 - Page 78

ENGINE
B2420, WSM
1-S6
Idle Gear Shaft to Idle Gear Bushing
• Idle Gear Shaft
• Idle Gear Bushing
Clearance
O.D.
I.D.
0.020 to 0.054 mm
0.00079 to 0.0021 in.
25.967 to 25.980 mm
1.0224 to 1.0228 in.
26.000 to 26.021 mm
1.0237 to 1.0244 in.
0.10 mm
0.0039 in.
–
–
Piston Pin Bore I.D. 22.000 to 22.013 mm
0.86615 to 0.86665 in.
22.03 mm
0.8673 in.
Piston Ring Clearance Second Ring
Oil Ring
0.0850 to 0.112 mm
0.00335 to 0.00440 in.
0.020 to 0.055 mm
0.00079 to 0.0021 in.
0.2 mm
0.008 in.
0.15 mm
0.0059 in.
Piston Ring Gap Top Ring
Second Ring
Oil Ring
0.20 to 0.35 mm
0.0079 to 0.013 in.
0.40 to 0.55 mm
0.016 to 0.021 in.
0.30 to 0.55 mm
0.012 to 0.021 in.
1.20 mm
0.0472 in.
1.20 mm
0.0472 in.
1.25 mm
0.00492 in.
Connecting Rod Alignment – 0.05 mm
0.002 in.
Piston Pin to Small End Bushing
•Piston Pin
• Small End Bushing
Clearance
O.D.
I.D.
0.014 to 0.038 mm
0.00056 to 0.0014 in.
22.002 to 22.011 mm
0.86622 to 0.86657 in.
22.025 to 22.040 mm
0.86713 to 0.86771 in.
0.15 mm
0.0059 in.
–
–
Crankshaft Alignment – 0.02 mm
0.0008 in.
Crankshaft Journal to Crankshaft Bearing 1
• Crankshaft Journal
• Crankshaft Bearing 1
Oil Clearance
O.D.
I.D.
0.0340 to 0.114 mm
0.00134 to 0.00448 in.
47.934 to 47.950 mm
1.8872 to 1.8877 in.
47.984 to 48.048 mm
1.8892 to 1.8916 in.
0.20 mm
0.0079 in.
–
–
Crankshaft Journal to Crankshaft Bearing 2
• Crankshaft Journal
• Crankshaft Bearing 2
Oil Clearance
O.D.
I.D.
0.034 to 0.095 mm
0.0014 to 0.0037 in.
47.934 to 47.950 mm
1.8872 to 1.8877 in.
47.984 to 48.029 mm
1.8892 to 1.8909 in.
0.20 mm
0.0079 in.
–
–
Item Factory Specification Allowable Limit
KiSC issued 06, 2012 A