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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 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 |