Robin EH12 Service Manual

Unit: mm (in)
ITEM
CONNECTING ROD
Big end inside dia.
0 Clearance between big end
and crankpin
Small end inside dia.
0 Clearance between small end
and piston pin
0 Big end side clearance
I CRANKSHAFT
Journal dia.
t" t
T
STD
EH25
34.000 - 34.01 6
(1.3386 - 1.3392)
0.025 - 0.057
(0.001 0 - 0.0022)
18.01
0 - 18.021
(0.7091
- 0.7095)
0.01 0 - 0.029
(0.0004 - 0.001 1)
0.1 -0.7
(0.004
- 0.028)
33.959
- 33.975
(1.3370
- 1.3376)
Dl D2
)TYPE
r9.991 -30.000129.988-29.997
1.1 807 i(1.1806
d.181 1)
'-1.1 81 0)
i TYPE
1.1 807
17.991
-30
.1.181 1)
~000~(1.1019
27.988
- 27.997
1-1.1022)
Limit
~
34.1 0
(1.3425)
0.2
(0.008)
18.08
(0.71 18)
0.1 2
(0.0047)
1 .o
(0.040)
33.85
(1.3327)
- 64 -

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