Instruction manual

STARTING THE ENGINE
(a) See that there is sufficient fuel in the petrol tank.
(b) See that there is sufficient oil in the oil tank.
(c) See that the gear pedal is in the neutral position.
(d) Push inward the hexagonal end of off-side petrol tap slide.
(e) See that the air control lever is in the fully closed position.
(f) Fully advance the ignition and then slack back the control lever two-fifths of its
total movement.
(g) Open the throttle not more than one-sixth of the total movement of the twist grip.
(h) Depress the plunger on the top of the carburetter float chamber until it can be
felt the chamber is full of petrol.
(i) Raise the valve lifter lever and, while keeping it raised, turn over the engine several
times by depressing the kick-starter pedal, three times, the object being to free
the engine. (This only applies if the engine is cold.)
(j) Depress the kick-starter until compression is felt, then raise the valve lifter lever
and ease the engine just over compression. Then, after allowing the kick-starter
pedal to return nearly to its normal position, give it a long swinging kick with the
valve closed and the engine should immediately fire.
The kick-starter mechanism must be allowed to engage properly before putting heavy
pressure on the kick-starter crank pedal pin. That means there are two definite
and separate movements when operating the mechanism by depressing the crank.
The first is a slow and gentle movement which ends when it is felt the quadrant has
engaged with the teeth on the ratchet pinion. (See illustration 2.)
Illustration 3
Showing the relative
positions taken up by the
moving gear indicator
when the various gears are
engaged.
The moving gear indicator
is attached to the control
spindle and the fixed gear
indicator is located on the
kick-starter case cover.
The two indicators are
only in line with each
other when the foot gear
change pedal is in the
neutral position.
The first slow and gentle movement is essential to avoid damage to the teeth of the
kick-starter quadrant.
After the engine has started, slowly open the air lever until it runs evenly. Then set
the throttle so that the engine is running at a moderate speed (neither racing nor ticking
over) and allow to warm up. While doing this, check the oil circulation as detailed in
page 14. The machine can then be taken on the road,
NOTE—Do not race up the engine from cold and do not flood the carburetter to such
an extent that petrol is dripping, because then, in the event of a backfire, there
is a danger of such loose petrol igniting. This cannot possibly happen if the
starting instructions are carefully followed, but, in the event of a fire, there is
no cause for panic. Merely turn off the petrol tap to isolate the main supply,
open wide the throttle and turn over the engine by operating the kick-starter
pedal when suction will extinguish the fire.
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