9
Big-end bearing journals
Diameter (Ø) for machining
standard ...............................
86.003–86.025 mm
undersize 0.25 mm .............
85.753–85.775 mm
0.50 mm .............
85.503–85.525 mm
0.75 mm .............
85.253–85.275 mm
1.00 mm .............
85.003–85.025 mm
1.25 mm .............
84.753–84.775 mm
Axial bearing surface width (A)
53.90–54.00 mm
Fillet radius (R) ........................
3.75–4.00 mm
Big-end bearing journals
out-of-round (new) ..............
max. 0.004 mm
slitage
orundhet .............
max. 0.08 mm
konicitet .............
max. 0.05 mm
Connecting-rod bearing shells
Thickness (C),
standard ...............................
2.413 mm
undersize 0.25 mm .............
2.540 mm
0.50 mm .............
2.667 mm
0.75 mm .............
2.794 mm
1.00 mm .............
2.921 mm
1.25 mm .............
3.048 mm
Connecting rods
Length, centre crankpin seat –
centre gudgeon pin seat: ...........
277 mm
Diameter:
connecting-rod bushing .......
57.300–57.346 mm
connecting-rod bushing
internal diameter (G) ...........
52.022–52.028 mm
Axial clearance, crankshaft –
connecting rod, max. ...........
0.35 mm
Connecting-rod bearings, radial
clearance, max. ....................
0.12 mm
Max. weight deviation for
connecting rods within
same engine .........................
50 g
Straightness max. deviation on
100 mm measuring length ...
0.05 mm
Torsion, max. deviation on
100 mm measuring length ...
0.1 mm
Flywheel, installed
Max. permitted axial throw
(manual gearbox) measuring
radius 150 mm .....................
0.16 mm
Ring gear on flywheel ..............
156 teeth
Flywheel casing, installed
Max. permitted axial throw for
contact surface against clutch
casing ....................................
0.13 mm
Max. permitted radial throw for
guide diameter towards clutch
casing ...................................
0.19 mm
