Robin EH25 Service Manual

Unit: mrn (in)
T
T
EH12
EH17
ITEM
STD Lmit STD
Lmit
CYLINDER
Inside dia.
To be rebored
when the
difference
Detween max.
and min.
of
diameter
reached to 0.1
(0.004).
To be rebored
when the
difference
between max.
and rnin.
of
diameter
reached
to 0.1
(0.004).
67.000
- 67.01 9
:2.6378'- 2.6385:
60.000
- 60.01 9
(2.3622 - 2.3630)
STD
1 st
reboring
60.250
- 60.269
(2.3720
- 2.3728)
67.250
- 67.269
:2.6476
- 2.6484:
Ditto
Ditto
60.500 - 60.51 9
(2.381 9 - 2.3826)
67.500
- 67.51 9
:2.6575 - 2.6582:
2nd
reboring
0 Roundiness after reboring
0 Cylindricity after reboring.
LESS THAN
0.01
(0.004)
LESS THAN
0.01
(0.004)
LESS THAN
0.01 5
(0.0006)
LESS THAN
0.01 5
(0.0006)
PISTON
Piston size (At skirt in thrust
direction)
59.96
- 59.98
(2.3606
- 2.361 4)
59.87
(2.3571)
66.96 - 66.98
:2.6362
- 2.6370:
66.87
(2.6327)
STD
1 st 01s
60.1 2
(2.3669)
67.1
2
(2.6425)
60.21
- 60.23
(2.3705
- 2.371 3)
67.21
- 67.23
:2.6461
- 2.6469:
-*
60.46 - 60.48
(2.3803 - 2.381 1)
60.37
(2.3768)
67.46
- 67.48
:2.6559 - 2.6567:
67.37
(2.6524)
2nd
01s
- 58 -

Robin EH25 Specifications

General

Brand	Robin
Model	EH25
Category	Engine
Language	English