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SERVICE DATA AND SPECIFICATIONS (SDS) EM-139 C D E F G H I J K L M A EM 2006 Pathfinder * 1 : Diameter made by intersection point of conic angles “ α 1” and “ α 2” * 2 : Diameter made by intersection point of conic angles “ α 2” and “ α 3” *3 : Machining data Valve Spring Angle “ α 3” Intake 120 ° Exhaust 120 ° Contacting width “W”* 3 Intake 1.0 - 1.4 (0.039-0.055) Exhaust 1.2 - 1.6 (0.047-0.063) Height “h” Intake 5.9 - 6.0 (0.232 - 0.236) 5.05 - 5.15 (0.1988 - 0.2028) Exhaust 5.9 - 6.0 (0.232 - 0.236) 4.95 - 5.05 (0.1949 - 0.1988) Depth “H” 6.0 (0.236) Free height mm (in) 47.07 (1.8531) Pressure N (kg, lb) at height mm (in) Installation 166 - 188 (16.9 - 19.2, 37 - 42) at 37.00 (1.4567) Valve open 373 - 421 (38.0 - 42.9, 84 - 95) at 27.20 (1.0709) squareness mm (in) Limit 2.1 (0.083) |