wsm STW37 - Page 86

ENGINE
STW34, STW37, STW40, WSM
1-S7
Camshaft Journal to Cylinder Block Bore
• Camshaft Journal
• Cylinder Block Bore
Oil Clearance
O.D.
I.D.
0.050 to 0.091 mm
0.0020 to 0.0035 in.
39.934 to 39.950 mm
1.5722 to 1.5728 in.
40.000 to 40.025 mm
1.5748 to 1.5757 in.
0.15 mm
0.0059 in.
–
–
Piston Pin Bore I.D. 25.000 to 25.013 mm
0.98426 to 0.98476 in.
25.05 mm
0.9862 in.
Second Ring to Ring Groove Clearance 0.0930 to 0.128 mm
0.00367 to 0.00503 in.
0.20 mm
0.0079 in.
Oil Ring to Ring Groove Clearance 0.020 to 0.060 mm
0.00079 to 0.0023 in.
0.15 mm
0.0059 in.
Top Ring
Second Ring
Oil Ring
Ring Gap
Ring Gap
Ring Gap
0.25 to 0.40 mm
0.0099 to 0.015 in.
0.30 to 0.45 mm
0.012 to 0.017 in.
0.25 to 0.45 mm
0.0099 to 0.017 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
Connecting Rod Alignment – 0.05 mm
0.002 in.
Piston Pin to Small End Bushing
•Piston Pin
• Small End Bushing
Oil Clearance
O.D.
I.D.
0.014 to 0.038 mm
0.00056 to 0.0014 in.
25.002 to 25.011 mm
0.98433 to 0.98468 in.
25.025 to 25.040 mm
0.98524 to 0.98582 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.
0.0400 to 0.118 mm
0.00158 to 0.00464 in.
59.921 to 59.940 mm
2.3591 to 2.3598 in.
59.980 to 60.039 mm
2.3615 to 2.3637 in.
0.20 mm
0.0079 in.
–
–
Crankshaft Journal to Crankshaft Bearing 2
• Crankshaft Journal
• Crankshaft Bearing 2
Oil Clearance
O.D.
I.D.
0.0400 to 0.104 mm
0.00158 to 0.00409 in.
59.921 to 59.940 mm
2.3591 to 2.3598 in.
59.980 to 60.025 mm
2.3615 to 2.3631 in.
0.20 mm
0.0079 in.
–
–
Item Factory Specification Allowable Limit
KiSC issued 11, 2014 A