Controls & Features; Handlebar Controls - BSA B31 Instruction Manual

IGNITION
*
LIGHTING
STEERIN6
THE
CONTROLS
SPEEDOMETER
HORN BUTTON
TTIE CONTROLS
IIANDLEBAR CONTROLS
Twist Grip Throttle.
Controls the engine speed.
To
open the
throtde
(r.e.,
to
increase
the engine
speed)
turD the
grip
towards the
rider.
Full movement about one-qlrarter of a turn.
Front Brake.
The lever
is on
the
right bar,
below
the twist-g p
throttle. Pull the level
towards
lhe bar
to
apply
the
bBke, and note that this lever
operates the
front
brake
only.
Carburettcr
Air
L€Yer.
On the right bar, and controls the supply
of ak
to
the
carburetter,
allowing the mixture
of air
and
petrol
to
be
varied
as
conditjons
require. Pull touards
the
dder
to
open
(i.e.
to
inc{ease
the
supply
of air).
Norrnal
running
posilion fully
open,
Hom,
The
conlrol butlon is
Jittcd
on
the back
of
the front
brake lever.
Clutch LeYer,
I-arger lever
bclow thc
left bar.
Pull
towards the bar
to
dcclutch
(i.e.,
to
disengage
the
drive
between the
engine and the
rcar wheel). As the clutch
lever
is slowly
released
the drive is restored
gradually.
Always declutch
when changing gear.
Dipper
Switch.
Fitted on the back
of
the clutch
lever, and
actuates
the double filament bulb in
the
headlamp giving either
a
normal
or
dipped beam.
Ignition Control.
Small lever
on top of left bar.
Controls
the
advance
and
rctard
ofthe spark produced by the
magneto.
Nomal
running position
is fully
advanced
(i.e., lever
moved
forward into
the closed
position.
(See page
9
for
starting
the engjne, the lever should be slightly retarded.
FOOT GEAR CHANGE
i/DowN\
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*
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(oPqhdi^aiord'rcv)
Fig, 1,
The Controls