SERVICE SPECIFICATIONS


Item
Standard value
Limit
Timing chain
Valve clearance mm
Inlet
0.20 ± 0.03
-
Exhaust
0.30 ± 0.03
-
Camshaft
Cam height of camshaft mm
Inlet
43.25
42.75
Exhaust
45.00
44.50
Camshaft bearing (metal) oil clearance mm
0 - 0.032
-
Cylinder head and valve
Distortion of cylinder head bottom mm
Within 0.05
0.2
Grinding limit of cylinder head bottom mm
-
0.2
Overall height of cylinder head mm
128.5
-
Overall length of valve mm
Inlet
113.18
112.68
Exhaust
105.89
105.39
Valve margin mm
Inlet
1.022
0.522
Exhaust
1.094
0.594
Free height of valve spring mm
49.4
48.4
Squareness of valve spring
2° or less

Clearance between valve guide and valve stem mm
Inlet
0.020 - 0.047
0.10
Exhaust
0.030 - 0.057
0.15
Valve seat contact width mm
Inlet
1.16 - 1.46
-
Exhaust
1.35 - 1.65
-
Valve guide projection from cylinder head upper surface mm
14.6 - 15.2
-
Piston and connecting rod
Piston pin press-fit load N
7,500 - 17,500
-
Clearance between piston ring and ring groove mm
No.1
0.03 - 0.07
0.1
No.2
0.03 - 0.07
0.1
Piston ring end gap mm
No.1<4B11>
0.15 - 0.28
0.8
No.1<4B12>
0.15 - 0.25
0.8
Piston ring end gap mm
No.2<4B11>
0.30 - 0.45
0.8
No.2<4B12>
0.25 - 0.40
0.8
Oil
0.10 - 0.35
1.0
Clearance of connecting rod big end thrust mm
0.10 - 0.25
0.4
Outside diameter of connecting rod bolt mm
-
0.1
Connecting rod bearing oil clearance mm
0.018 - 0.045
0.1
Crankshaft and cylinder block
Underhead length of crankshaft bearing cap bolt mm
75.5 - 76.5
-
Crankshaft axial play mm
0.05 - 0.25
0.4
Crankshaft journal oil clearance mm
0.012 - 0.030
0.1
Distortion of cylinder block top surface mm
0.05
0.2
Grinding limit of cylinder block top surface mm
-
0.2
Cylinder block cylinder bore mm
4B11
86
-
4B12
88
-
Cylindricity of cylinder block mm
0.15
-