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5-4 ENGINE TOP END Specifications Item Standard Service Limit Cylinder Head Cylinder Compression 3 330 kPa (34.0 kgf/cm², 2 990 kPa (30.5 kgf/cm², Cylinder Head Warp – – – 0.1 mm (0.004 in.) Rocker Shaft and Rocker Arm Rocker Arm Inside Diameter 10.00 ∼ 10.02 mm (0.3937 ∼ 0.3945 in.) 10.03 mm (0.3949 in.) Rocker Shaft Diameter 9.97 ∼ 9.99 mm (0.3925 ∼ 0.3933 in.) 9.957 mm (0.3920 in.) Valve Lifters Valve Lifter Outside Diameter 17.98 mm (0.7079 in.) 17.91 mm (0.7051 in.) Valves Valve Clearance 0.20 mm (0.0079 in.) – – – Valve Seating Surface: Width: 0.8 ∼ 1.2 mm (0.0315 ∼ 0.0472 in.) – – – Outside Diameter: Inlet 28 mm (1.1024 in.) – – – Exhaust 24.5 mm (0.9646 in.) – – – Valve Seat Cutting Angle 32°, 45°, 60° – – – Valve Spring Free Length 30.7 mm (1.2087 in.) 29.7 mm (1.1693 in.) Valve Head Thickness 1.2 mm (0.0472 in.) 1.0 mm (0.0394 in.) Valve Stem Diameter: Inlet 5.945 ∼ 5.960 mm (0.2341 ∼ 0.2346 in.) 5.903 mm (0.2324 in.) Exhaust 5.965 ∼ 5.980 mm (0.2348 ∼ 0.2354 in.) 5.923 mm (0.2332 in.) Valve Guide Inside Diameter 6.000 ∼ 6.015 mm (0.2362 ∼ 0.2368 in.) 6.036 mm (0.2376 in.) Valve Guide Outside Diameter: Standard Valve Guide 11.05 mm (0.4350 in.) – – – Replacement Valve Guide 11.08 mm (0.4362 in.) – – – Valve/Guide Clearance: Inlet 0.055 ∼ 0.070 mm (0.0022 ∼ 0.0028 in.) 0.090 mm (0.0035 in.) Exhaust 0.035 ∼ 0.050 mm (0.0014 ∼ 0.0020 in.) 0.094 mm (0.0037 in.) |