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From
top edge
of magneto side inlet port, mark crank-
case at 61
0
.
To correctly install the rotary valve
disc
proceed
as
follows:
- 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,
therefore,
at assembly, try positioning each side
of disc
on gear
to determine best
installation
position.
Magneto
side piston
must be at T.D.C
.
Spray
some
injection oil on rotary valve before closing
the rotary
valve cover.
2,
Rotary valve cover bolts
The
rotary
valve
cover bolts must be torque to
20
N·m
(1
5
ft·lbs)
.
SECTION 02 ENGINE
SUB-SECTION 07 (534 ENGINE TYPE)
INSPECTION
1,5, Rotary valve cover & rotary valve
To
measure this gap
you
can use a feeler gage inserted
between rotary valve an upper crankcase with the rotary
valve cover
in
place without
it's "0"
ring
.
Check the
more surface you can. Follow the
same
procedure for
the lower crankcase.
PAGE 147
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