(1) Bore in bearing for piston pin (new):
5S6360 Rod … 1.5017 ± .0003 in.(38.143 ± 0.008 mm)
5S2793 Rod … 1.7012 ± .0003 in.(43.210 ± 0.008 mm)
Maximum permissible clearance between bearing and piston pin (worn) … .003 in.(0.08 mm)
(2) Bore in connecting rod for bearing … 3.2500 ± .0005 in.(82.550 ± 0.013 mm)
(3) Distance between center of piston pin and center of crankshaft bearing (new) … 9.595 ± .001 in.(243.71 ± 0.02 mm)
(4) Diameter of piston pin (new):
9H4016 Pin … 1.5003 ± .0002 in.(38.108 ± 0.005 mm)
8M6487 Pin … 1.6998 ± .0002 in.(43.175 ± 0.005 mm)
(5) Bore of crankshaft journal bearing … 3.004 ± .002 in.(76.30 ± 0.05 mm)
Clearance between connecting rod bearing and crankshaft bearing surface (journal) … .0030 to .0066 in.(0.076 to 0.168 mm)
Maximum permissible clearance between bearing and crankshaft (worn) … .010 in.(0.25 mm)
(6) Torque on nut for connecting rod:
a. Put crankcase oil on threads and nut seat
b. Tighten both nuts to … 30 ± 3 lb. ft.(4.1 ± 0.4 mkg)
c. Mark each nut and end of bolt
d. Again tighten both nuts (from mark) … 90°