Foot Controls; General; Driving - BSA B31 Instruction Manual

Exheust Vålye
Lifter (not
illustrated in Fig,
l).
Small lever under left
bar.
Pulling th€ lev€r up
towuds
the bar
opens
the
exhaust
valve,
releasing
the
com-
pression
in
the combustion chamber
and enabling
the
engile to
be rotated easily,
FOOT CONTROLS
Rear
Brake Pedal.
On the
left hand
side
of
the machine,
and opemtes the
rear blake only.
Gear Chånge Pedal.
on
the right hand side
of
the
machine, and is
used
to
efect
the change
from one gear
to
anothei. To
engage
fust
gear
from
the neutral position, the pedal is
moved
upwards. Second,
third, and top
ge,us are
engaged
by
movinS the pedal
downwards. The
pedal
autoriatically
rEturns
to
the
central position, rcady
for
the next gear
change. When
engaging
a gear the
pedal should
be
moved
to
its extreme
limit,
since the geår change is of
the
positive-stop
type.
Kickst4rter
Pcdal,
Also on the right hand side
of
the machiDe, but
is
situated behind
the gear change
pedal.
Depression
of
the
kickstarter rotåtes the engine.
See
instructions on startiog
the engine.
GENERÅL
Petrol Tap,
The t4p
is of
the push-pull twe,
and is located under
the rear
end
of
the
tank. To tum
the
petrol
on,
pull
the
serrated
button
out. To
operate
the
teserve
control,
totate button to
right
and
pull
out to lock
in position. To
turn
the
petrol ofr reverce the above procedure.
Steering
Lock (except Comp. and G. Stars).
Do not
introduce
oil
into
the keyhole
as this
may
clog the wards and wash away
the spe€ially prepared
lubricant
inserted before assembty. However, after con-
siderable mileage
or
under
adverse
weathet coaditions a
few drops
of
thin
machine
oil
may be applied
to
the
periphery
of the moving
drun.
' Lighdne Switch.
On the
left
of
the
headlamp
cowl
ard
cont
ols
the
lighting of the lamps as
indicated by the
following matk-
ings:- H-Head,
tail and sp€€dometer
latrps.
I-Pilot'
tail
and speedometer
lamps.
oFF-LiShts
not in
use
but
battery on
chargp.
I
Ammet€r.
On
ricfit of
the headlamp
cowl,
Enables
the rider to
see
at a
glance whether
the battery is being charged
or
discharged.
a
Speedometer.
This is
set
in
the headlarnp
cowl.
The
trip
can
be
turned
back to zero when the spring loaded
flexible contrcl undet
the
spe€dometer
is
pulled
out
and twisted
ill
a clockwise
dir€ction.
The control
automatically
rcturns
to
its
original position, i.c. dise[gaged.
.
On Competition
ard
Gold Star
machines
th€ lighting
switch, alrrmeter
and speedometer ate centmlly mounted,
the
fonner two in
a
panel
on top of the headlamp and the
latter bolted
to
the
top yoke.
Cetrkal Stand.
This
is
of
the
spring-up type and so designed that
wheD
the
machine
is
pushed
fonvard
ofr
the stand, the latter
spdngs upwards
and
is
automatically retained clear
of
the road.
DRIVING
Prelimimd€l.
;. 1
Before taking the machine
out for
thc first time,
it
is
',4
ressenlial to
examine lhe
oil
tank,
to
ensure
lha!
an ade-
'
quate supply of oil
is
available.
The
lank
has
a
working
capacity
of 3* pints on
competition models,
4l
pints on
plunger
'B' models, and
for
machines fitted
with
swinging
arm rear
suspension
5I pints,
Use
only
high
quality
lubricants
as
recommended
in
the chart
on page
36.
Examine
also the
rcmainder
of
the lubrication points
and
verify the quantity
of oil in
the
gea.rbox arld
the
pdmary
chain
oil
bath.
To Stårt the Engine.
It
will
help in balancing the machine
if you stand
astride
it
when
first
attempting
to start.
Make
sure
that the gear
contlol
is
in the neutral position, i,e.,
between
first and
second
gear.
Note that
if
the machine is
ir
gear
it
will
move
forward
wheD
the
kickstarter pedal is
depressed.
If
the engine is cold, first
depress
the
cårbuetter
ticklea
momentarily. Oosc the
air
lever,
r€lard
the
ignitiotr