Robin EH12 Service Manual

T
EH12
7
Ek
ITEM
Ring groove side clearance
STD Limit STD Limit
0.030 - 0.075
:0.0012
- 0.0030
0.1
5
(0.006)
0.035 - 0.080
(0.001 4 - 0.0031
0.1
5
(0.006)
0.030
- 0.075
:0.0012 - 0.0030
0.1 5
(0.006)
0.1
5
(0.006)
0.025'-
0.075
(0.001 0 - 0.0030
0.01 0 - 0.065
(0.0004 - 0.0026
15.991
- 16.002
(0.6296
- 0.6300:
15.992
- 16.000
(0.6296
- 0.6299:
0.01 5 - 0.074
:0.0006
- 0.0029:
2nd
~~~ ~
0.1 5
(0.006)
16.035
(0.631 3)
15.960
(0.6284)
0.020 - 0.075
:0.0008
- 0.0030
12.991
- 13.002
:0.5115 - 0.51 19
12.992
- 13.000
,0.5115
- 0.51 18
0.015 - 0.074
0.0006 - 0.0029'
0.1
5
(0.006)
13.035
(0.51 32)
12.960
(0.51 02)
0.25
(0.01
0)
Oil ring
Piston pin hole
m
-w-
Piston pin outside dia.
0 Clearance between piston and
cylinder at
skirt area.
0.25
(0.01 0)
0 Piston ring end gap
~~
1.5
(0.0091)
TOP
2nd
0.2
- 0.4
(0.008 - 0.01 6)
0.2
- 0.4
(0.008 - 0.01 6)
1.5
(0.0591
)
1.5
(0.0591 )
0.2 - 0.4
(0.008 - 0.01 6)
0.05
- 0.25
(0.0002 - 0.01 0)
oil ring
1.5
(0.0591)
- 60 -

Robin EH12 Specifications

General

Ignition System	Transistorized magneto ignition
Starting System	Recoil starter
Bore x Stroke	60 mm (2.36 in) x 43 mm (1.69 in)
Max Output	3.6 kW (4.8 HP) at 3, 600 rpm
Engine Type	4-Cycle, Air cooled, Single cylinder, OHV