Mitsubishi L2E Service Manual

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Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
CYLINDER BLOCK
ENGLISH
ENGINE MAIN PARTS
17.2 Inspection
Inspect the cylinder block. If it is found defective, repair
or replace the block.
17.3 Reboring of cylinder
When reboring a cylinder, use the following procedure :
1. Selecting a piston
Piston service size
0.25 OS or 0.50 OS
2. Measuring the piston diameter
3. Reboring finish dimension =
[Piston OD] + [Clearance] –
[Honing allowance (0.02 mm [0.00079 in.])]
Figure 84 Measuring cylinder bore
Model Standard Service limit
L2A, L3A
65
[2.5591 ]
+0.7
[+0.0276]
L2C, L3C
70
[2.7559 ]
+0.7
[+0.0276]
L2E, L3E
76
[2.9921 ]
+0.7
[+0.0276]
Table 35 Cylinder bore (mm [in.])
Figure 85 Cylinder bore measuring positions
Approx. 10 mm [0.40 in.]
from upper end
Front
Direction of measuring
Measuring position
Center
Lower
Figure 86 Measuring piston diameter
Description Standard
Clearance
(between piston and
cylinder)
0.071 to 0.084
[0.00280 to 0.00331]
(A to D)
Table 36 Oil clearance (mm [in.])
CAUTION
When it is necessary for a cylinder to be rebored to
the next over size, other cylinders must also be
rebored to the same over size.
+0.03
0
+0.03
0
+0.03
0
+0.0012
0
+0.0012
0
+0.0012
0

Mitsubishi L2E Specifications

General

Engine Model	L2E
Number of Cylinders	2
Starting System	Electric starter
Lubrication System	Forced lubrication by trochoid pump
Cooling System	Water-cooled