Robin DY23-2D Service Manual

Unit : rnm (in)
ITEM
CYLINDER I
@Inside
dia.
PISTON
OPiston size (At skirt,
in I STD
thrust direction)
I
1st o/s
2nd o/s
Ring groove side
clearance
1
f
Piston pin hole
r
OPiston pin outside dia. 1-
f
@Clearance between piston
and cylinder at skirt area.
I
0 Piston ring end gap
To
P
2nd
Oil
DY23
70.000-70.01 9 70.25
(2.7559-2.7567) (2.7657)
69.961 -69.981
(2.7544-2.7552)
70.21 1-70.231
(2.7642-2.7650)
70.461 -70.481
(2.7741 -2.7748)
0.05-0.09
(0.0020-0.0035)
69.871
(2.7508)
70.1 21
(2.7607)
70.371
(2.7705)
0.1 5
(0.0059)
0.01 5-0.055
0.1
(0.0006-0.0022)
(0.0039)
18.001
- 18.008 18.03
(0.7087-0.7090) (0.7098)
18.000- 18.006 17.980
(0.7087-0.7089) (0.7079)
0.01 9-0.058 0.1 5
(0.0007-0.0022) (0.0059)
0.3-0.5 1
.o
(0.01 18-0.01 97) (0.0394)
0.25-0.45
1 .o
(0.0098-0.0177) (0.0394)
DI
STD
75.000-75.01 9
(2.9528-2.9535)
74.961 -74.981
(2.9512-2.9520)
75.21 1-75.231
(2.961 1-2.961 9)
75.461 -75.481
(2.9709-2.9717)
0.05-0.09
(0.0020-0.0035)
0.015-0.055
(0.0006-0.0022)
18.001 -18.008
(0.7087-0.7090)
18.000-1 8.006
(0.7087-0.7089)
0.019-0.058
(0.0007-0.0022)
0.1 -0.3
(0.0039-0.01 18)
0.25-0.45
(0.0098-0.01 77)
27
Limit
75.25
(2.9626)
74.07
1
(2.9477
75.1 21
(2.9575)
75.371
(2.9674)
0.1 5
(0.0059)
0.1
(0.0039)
18.03
(0.7098)
17.980
(0.7079)
0.2
(0.0079)
0.8
(0.031 5)
1 .o
(0.0394)
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Robin DY23-2D Specifications

General

Brand	Robin
Model	DY23-2D
Category	Engine
Language	English