SERVICE SPECIFICATIONS


Item
Standard value
Limit
Rocker arms and camshaft
Cam height of camshaft mm
Inlet low
36.414
35.914
Inlet high
36.790
36.290
Exhaust
36.669
36.169
Cylinder head and valves
Distortion of cylinder head bottom mm
-
0.03
Valve margin mm
Inlet
1.3
0.6
Exhaust
1.5
1.0
Overall length of valve mm
Inlet
121.64
121.14
Exhaust
112.95
112.45
Free height of valve spring mm
Inlet
65.7
65.2
Exhaust
60.37
59.87
Squareness of valve spring
2° or less

Clearance between valve guide and valve stem mm
Inlet
0.02 - 0.04
0.10
Exhaust
0.04 - 0.06
0.15
Valve seat contact width mm
1.1 - 1.5
-
Valve guide press-in height mm
17.1 - 17.7
-
Piston and connecting rod
Clearance of connecting rod big end thrust mm
0.10 - 0.25
0.4
Outside diameter difference of connecting rod bolt mm
-
0.1
Clearance between piston ring and ring groove mm
No.1
0.08 - 0.12
0.15
No.2
0.08 - 0.12
0.15
Oil
0.02 - 0.06
0.10
Piston ring end gap mm
No.1
0.2 - 0.3
0.8
No.2
0.2 - 0.35
0.8
Oil
0.25 - 0.45
0.8
Connecting rod bearing oil clearance mm
0.026 - 0.053
0.10
Crankshaft and cylinder block
Out side diameter difference of crankshaft bearing cap bolt mm
-
0.15
Crankshaft axial play mm
0.05 - 0.25
0.3
Crankshaft journal oil clearance mm
0.029 - 0.047
0.1
Distortion of cylinder block top surface mm
-
0.05
Cylinder block cylinder bore mm
86
-
Cylindricity of cylinder block mm
0.0076 or less
-