TELESCOPIC FRONT FORKS
The only routine attention needed
to
the front forks
is
checking
the
adjustment of the steering head races and changing the oil. Use the
grade of oil as
re
commended on page
42,
and change the o
il
at
the
mileage interval given on page
40.
To adjust the steering head races
The steering head races may require adjustment once or twice
in
the
early stages of a machine's
life but will rarely require attention after that.
To check the adjustment, stand
on
the ight
Side
of the machine with the
fingers of the lett hand resting
on
the frame and the dust cover of the top
bearing. With the right hand apply the front brake and rock the machine
forward. Any play
will be felt by the fingers of the left hand. To make the
adjustment place the machine
on
the stand. Slacken the pinch bolt
at
the
back of the fork top lug and tighten down the large sleeve nut on the fork
stem until the
play is just taken-up. The forks and wheel should turn freely
from lock
to
lock without any dragging or hesitation. If the adjustment
seems correct but the movement
is
rough or jerky then the steering head
races are probably damaged and it
will be
ne
cessary
to
replace th
em.
When the adjustment
is
co
rrect tighten
th
e
pi
n
ch
bo
lt.
To change the oil
in
the telescopic forks
Remove the small sloping screw immediately above the wheel spind
le
on
the out
si
de of each
fo
rk
leg. Allow the oil
to
drain into a suitable
co
nt
ainer
and then remove the last drops
by
pressing on the handlebars and
pumping the forks up and down. Replace the drain bolts, making sure
that the
small fibre wa
sh
ers are
in
go
od condition. To replenish
th
e fork
legs
re
move the ha
nd
lebar and the large ch
ro
mium
pl
at
ed
nu
ts
at
the top
of the fork; then remove the alloy inner plugs with an
allen key (coat the
threads with jointing compound
on
reassembly). This should
be
done
with
th
e machine on the centre stand. The corect quantity for each leg is
shown on page 6.
22
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