System Specifications

Cylinder block

Cylinder block flatness
Limit 0.03 mm (0.001 in.)

Cylinder bore diameter
Standard





Cylinder bore diameter
Limit 92.050 mm (3.6240 in.)
Cylinder bore roundness ([3] - [4])
Limit 0.020 mm (0.00078 in.)
Cylinder bore taper ([1] - [2])
Limit 0.013 mm (0.00051 in.)

Piston

New piston diameter standard size





Piston diameter limit size





Piston clearance
Limit 0.12 mm (0.0047 in.)
Ring groove clearance





Piston ring end gap





Connecting Rod

Big-end side clearance
Standard 0.25 - 0.40 mm (0.0098 - 0.0157 in.)
Connecting rod alignment
Limit on bow 0.05 mm (0.0019 in.)
Limit on twist 0.10 mm (0.0039 in.)

Crankshaft

Crankshaft pin diameter
Standard 49.982 - 50.000 mm (1.9678 - 1.9685 in.)
Crankshaft pin taper
Limit 0.01 mm (0.0003 in.)
Connecting Rod Bearing





Connecting rod bearing clearance
Standard 0.045 - 0.063 mm (0.0017 - 0.0024 in.)
Limit 0.065 mm (0.0025 in.)
Connecting rod big-end inside diameter





Crankshaft pin diameter





Crankshaft runout
Limit 0.02 mm (0.0007 in.)
Crankshaft thrust play
Standard 0.10 - 0.35 mm (0.0039 - 0.0137 in.)
Crankshaft journal outside diameter
Standard 51.982 - 52.000 mm (2.0466 - 2.0472 in)
Limit 51.972 mm (2.0461 in.)
Crankshaft out-of-round (A - B) and taper (a - b)
Limit 0.01 mm (0.0003 in.)
Main bearing clearance
Standard 0.022 - 0.034 mm (0.00087 - 0.00133 in.)
Limit 0.050 mm (0.00196 in.)
Crankshaft journal diameter





Block journal inside diameter





Standard size crankshaft main bearing thickness





Main bearing cross - reference selection table (standard size)





Undersize of crankshaft main bearing thickness





Main bearing cross - reference table (under size)





Lower crank case





a) Crankcase bolt 50 Nm (5.1 kgf-m, 37.0 lbf-ft)
b) Loosen all bolts in reverse order until loosening torque becomes 0.
c) Retighten 20 Nm (2.0 kgf-m, 15.0 lbf-ft)
d) Retighten 35 Nm (3.6 kgf-m, 26.0 lbf-ft)
e) Retighten 40 degrees
f) Retighten 40 degrees





Crankcase bolt No.2 25 Nm (2.5 kg-m, 18.5 lbf-ft)

Crankshaft pulley 150 Nm (15.3 kgf-m, 111.0 ft lb)