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