Robin EY20 Service Manual

3) DIMENSIONS of CRANKSHAFT PIN
D (Crankshaft pin Dia.)
PISTON RING GAP
0.090L - 0.135L 0.050L - 0.095L 0.050L - 0.09OL
PISTON RING SIDE
CLEARANCE IN GROOVES
OIL RING
0.1 L - 0.3L
SI DE
0.020L - 0.046L 0.037L - 0.063L
DIA.
0.01OL - 0.065L 0.01OL - 0.065L 0.01 OL - 0.065L
CONNECTING ROD TO
CRANK PIN
CONNECTING
ROD TO PISTON PIN
0.009T - 0.01 OL
PISTON PIN TO PISTON
0.01OL - 0.029L
L: LOOSE
T: TIGHT
Table 1
54-2 CRANKSHAFT, CAMSHAFT, CHAIN and
TAPPET (for EYISB)
1) Set the chain in the sprockets of the crankshaft and
the chamshaft, as
shown in Fig. 27.
NOTE: Set the chain so that the white link plate
matches
to the timing marks of the crank-
shaft
and the camshaft.
2) Put the tappets in the crankcase, and then set the
crankshaft and the camshaft parallel. Then mount
them onto the crankcase.
&A
Ling Plate (White)
V
Timing Mark
,”--
Fig. 27 (EY 15s)
- 28 -

Robin EY20 Specifications

General

Ignition System	Transistorized magneto
Starting System	Recoil starter
Fuel	Unleaded gasoline
Oil Capacity	0.6 liters
Displacement	183 cc
Bore x Stroke	67 x 52 mm
Dry Weight	15 kg