5.
Break-in
Your brand new machine
has
to
be
broken
in
at
least
for
1 0 miles.
If
breaking in the machine
is
improper, the result may
be:
(1) Engine
noise,
(2) Engine seizure, (3) Engine power
loss,
and
(4) Shorter
en-
gine
service
life.
After
observing the break-in in a correct manner, the
machine
should
be
checked
for
frictional contact between the piston,
piston rings and the cylinder. You
will
end up
with
a smooth-running,
trouble- free machine.
How
to
Break-in the Machine
Operation:
0
t
10 miles,
Checking:
you should keep the
throttle
opening below
half in
each
of
the
gears.
Remove
the cylinders, and check the cylinder walls, pistons and
piston rings
for
scratches and contacts between them.
If
any high
spot
or
any scratch
is
found,
it
should
be
smoothed
out
with
sand-
paper
( 600).
If
the scratch by a ring
is
excessive,
replace the ring.
Operation:
10
miles,
t
the machine
can
be
run with full throttle.
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