Repair Manual

SERVICE SPECIFICATIONS
ENGINE OVERHAUL <4A9>
11B-3
Valve margin mm Intake 1.35 0.85
Exhaust 1.85 1.35
Valve stem outside diameter mm Intake 4.965 − 4.980
−
Exhaust 4.955 − 4.970
−
Valve face angle 45°− 45.5°
−
Valve stem-to-guide clearance mm Intake 0.020 − 0.047 0.10
Exhaust 0.030 − 0.057 0.15
Valve length mm Intake 89.61 89.11
Exhaust 90.94 90.44
Valve stem protrusion mm Intake 38.46 38.96
Exhaust 38.49 38.99
Valve spring free length mm 43.1 42.1
Valve spring load / installed height N/mm 152/33.4
−
Valve spring out-of-squareness 2° or less 4°
Valve seat contact width mm 1.1 − 1.5
−
Valve guide inside diameter mm 5.000 − 5.012
−
Valve guide installed height mm 7.9 − 8.3
−
PISTON AND CONNECTING ROD
Piston outer diameter mm 75
−
Piston ring to ring groove clearance mm No. 1 0.03 − 0.07 0.1
No. 2 0.02 − 0.06 0.1
Piston ring end gap mm No. 1 0.15 − 0.30 0.8
No. 2 0.20 − 0.40 0.8
Oil ring 0.10 − 0.40 1.0
Piston pin outer diameter mm 18
−
Piston pin press-fitting load (at room temperature) N 5,000 − 11,000
−
Crankshaft pin oil clearance mm 0.014 − 0.059 0.1
Connecting rod big end thrust clearance mm 0.10 − 0.35 0.4
CRANKSHAFT AND CYLINDER BLOCK
Crankshaft end play mm 0.09 − 0.27 0.3
Crankshaft journal outer diameter mm 46
−
Crankshaft pin outer diameter mm 40
−
Crankshaft journal oil clearance mm 0.014 − 0.034 0.1
Cylinder block top surface distortion mm 0.05 0.1
Cylinder block top face grinding limit (Total resurfacing depth of
both cylinder head and cylinder block) mm
−
0.2
Cylinder block overall height mm 280
−
Item Standard value Limit
Main
Index
Group
TOC