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SECTION 02 ENGINE
SUB-SECTION 04 (454 ENGINE TYPE)
For
example
:
132
0
opening
52
0
closing
Using angle finder,
mark
crankcase at 132
0
from
bottom
edge of magneto side inlet port.
From top edge of
magneto
side inlet
port,
mark
crankcase
at
52
0
.
PAGE 92
To
correctly install the rotary valve disc proceed
as
fol-
lows:
- Turning crankshaft counter-clockwise, (drive pulley
side) bring magneto side piston to Top Dead Center
using a T.D.C. gauge.
-
Position the rotary valve disc on gear to have
edges
as close as possible to the marks.
O
NOTE: The rotary valve disc is asymmetrical,
there-
fore, at assembly, try positioning each side
of
disc
on gear to determine best installation position.
Magneto side piston
must
be
at
T.O.C.
@Torque
to 20 N-m (15 ft-Ibsl.
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