Robin EY15 User Manual

4-7 CYLINDER HEAD
The cylinder head is an aluminum die casting, and forms a
Ricardo type combustion.chamber with ample area for high
combustion effeciency. The spark plug
is tilted for easy
mounting
of the fuel tank.
(See Fig.
11.1
Fig. 1 1
4-8 GOVERNOR
The governor is a centrifugal flyweight type which permits
constant operation at the selected speed against load varia-
tions. Governor gear
is installed on the bearing cover with-
out fail, and
it engages with the cam gear afterreassembling.
(See
Fig. 12.)
/
Main Bearing Cover
Governor Sleeve
1 Governor Gear Complete
Fig. 12
-7-

Robin EY15 Specifications

General

Ignition System	Transistorized magneto
Starting System	Recoil starter
Compression Ratio	8.5:1
Fuel System	Carburetor
Engine Type	Single cylinder, 4-stroke, air-cooled
Displacement	143 cc
Maximum Torque	9.3 Nm / 3000 rpm
Dry Weight	13.5 kg
Lubrication	Splash