4M41 ENGINE - Specifications 11B-1-2 PWEE9409-D E Feb.
2000 Mitsubishi Motors Corporation Added Descriptions Standard Limit Valve seat Seat width 1.8 - 2.2 2.8 Cylinder head Bottom surface distortion Less than 0.05 0.2 Vacuum pump Vacuum pump Performance Attained degree of vacuum 93 kPa or more - Pump speed 1500 r/min - Timing gears and balance shafts Backlash between gears Balance shaft gear RH and oil pump gear 0.04 - 0.19 0.3 Oil pump gear and crankshaft gear 0.04 - 0.18 0.3 Crankshaft gear and idler gear 0.04 - 0.18 0.3 Idler gear and idler gear LH 0.04 - 0.19 0.3 Idler gear LH and balance shaft gear LH 0.04 - 0.22 0.4 Idler gear and injection pump gear 0.04 - 0.21 0.4 End play Balance shaft LH, RH 0.09 - 0.24 0.3 Idler gear/sprocket assembly 0.05 - 0.20 0.3 Idler gear LH assembly 0.05 - 0.20 0.3 Timing chain elongation (minimum distance between chain spans facing each other when pressing on tensioner lever) 16.5 9 Tension lever-to-tension lever shaft clearance 0.06 - 0.18 0.3 Idler gear bush LH-to-idler shaft clearance 0.02 - 0.05 0.1 Idler sprocket bush-to-idler shaft clearance 0.02 - 0.06 0.1 Oil pump Oil pump Driven gear shaft-to-oil pump case and cover clearance 0.03 - 0.05 0.15 Side clearance 0.05 - 0.10 0.15 Tip clearance 0.15 - 0.26 0.27 Oil cooler and oil filter Bypass valve spring Valve opening pressure kPa 490 ± 30 - Regulator valve spring Valve opening pressure kPa 620 ± 30 - Piston and connecting rod assembly Piston Protrusion -0.20 - -0.30 - Piston pin Piston pin-to-connecting rod bush clearance 0.03 - 0.05 0.1 Piston pin-to-piston clearance 0.007 - 0.021 0.05 Piston ring Ring-to-ring groove clearance No.1 compression ring 0.03 - 0.08 0.15 No.2 compression ring 0.07 - 0.10 0.15 Oil ring 0.03 - 0.06 0.15 End gap No.1 compression ring 0.3 - 0.45 0.8 No.2 compression ring 0.4 - 0.55 0.8 Oil ring 0.3 - 0.5 0.8