GENERAL SPECIFICATIONS
ENGINE OVERHAUL
11B-2
GENERAL SPECIFICATIONS
M1113000203154
Item Specification
Engine model 4B11 4B12
Type In-line DOHC
Number of cylinders 4
Combustion chamber Pentroof type
Total displacement mL 1,998 2,360
Cylinder bore mm 86 88
Piston stroke mm 86 97
Compression ratio 10 10.5
Auto lash adjuster Non-equipped
SERVICE SPECIFICATIONS
M1113000303645
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 4°
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