Robin EH12 Service Manual

Unit: mrn (in)
CAMSHAFT
Cam height
0 Journal outside dia.
"D" type
ITEM
IN.EX.
CAMS
VALVE
Valve stem outside dia.
Clearance between valve stem dia. and
valve guide
Valve clearance
n
Dl
D2
IN.
EX.
IN.
EX.
I N ./EX.
(cold)
T-
STD
EH12 / EH17
29.6 - 29.8
(1.165
- 1.173)
16.973
- 16.984
(0.6682 - 0.6687)
14.973 - 14.984
(0.5895
- 0.5899)
5.440
- 5.455
(0.2142 - 0.2148)
5.426 - 5.444
(0.21 36
- 0.21 43)
0.045
- 0.078
(0.0018
- 0.0031)
0.056 - 0.092
(0.0022 - 0.0036)
0.085 - 0.1 15
(0.0033 - 0.0045)
Limit
29.45
(1.159)
16.95
(0.6673)
14.95
(0.5886)
5.35
(0.21 06)
5.35
(0.21
06)
0.3
(0.01 2)
0.3
(0.012)
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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