Mitsubishi Motors 4G9 - Manual (Page 9)

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4G9 ENGINE (E–W) – Specifications
11A-1-4
Items Limit Standard value
Cylinder block overall height mm 4G92 243.5 –
4G93 263.5 –
4G94 286.7 –
Cylinder block I.D. mm 4G92, 4G93 81.0 –
4G94 81.5 –
Piston to cylinder clearance mm 0.02 – 0.04 –
Bearing cap bolt shank length mm – 71.1
Crankshaft end play mm 0.05 – 0.25 0.4
Crankshaft journal O.D. mm 50 –
Crankshaft pin O.D. mm 45 –
REWORK DIMENSIONS
Items Standard value
Cylinder head and valve
Oversize rework dimensions of valve guide hole (both intake and
exhaust) mm 0.05 O.S. 11.05 – 11.07
exhaust) mm
0.25 O.S. 11.25 – 11.27
0.50 O.S. 11.50 – 11.52
Oversize rework dimensions of intake valve
seat hole mm SOHC 0.30 O.S. 31.80 – 31.83
seat hole mm
0.60 O.S. 32.10 – 32.13
DOHC 0.30 O.S. 34.30 – 34.32
0.60 O.S. 34.60 – 34.62
Oversize rework dimensions of exhaust valve
seat hole mm SOHC 0.30 O.S. 29.30 – 29.32
seat hole mm
0.60 O.S. 29.60 – 29.62
DOHC 0.30 O.S. 30.80 – 30.82
0.60 O.S. 31.10 – 31.13
Crankshaft, flywheel and drive plate
Crankshaft out of roundness and taper of journal and pin mm 0.005
NOTE
O.D.: Outer diameter
I.D.: Inner diameter
O.S.: Oversize diameter
PWEE9502-I
E
Mar. 2001 Mitsubishi Motors Corporation Revised