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SECTION K9
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PRIMARY CHAINCASE OIL CHANGING
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Remove the footrest and place a metal tray under
the chaincase. Unscrew the central fixing bolt (see
Fig. K6) and break the joint to allow the oil to
drain into the tray. Wash out the case with clean
kerosene (paraffin). Refit the outer case and
remove the filler cap, and level plug (B). Pour
fresh oil into the filler cap orifice (C) until it
begins to run from the level plug hole. Allow the
surplus to drain off and refit the level plug and
filter cap. Refit the footrest.
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SECTION K10
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SWINGING ARM PIVOT LUBRICATION
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For lubrication purposes, a grease nipple (D) is
used on 3 the plate covering the right side of the
swinging arm bush housing.
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To maintain the oil content, use a grease gun
filled with S.A.E. 140 oil and inject oil
sufficient to fill the cavity every 5,000 miles,
alternatively, remove the oil nipple and fill with
an oil gun. It is important to check that the
cavity is filled. The only means of chacking is to
remove the spindle locating bolt (see in Fig. F9)
and fill until oil runs from the hole. Refit the
bolt.
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SECTION K11
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FRONT FORK OIL CHANGING
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Under normal conditions the front forks will
require no servicing other than an occasional
change of oil. Should the oil level become low it
will be indicated by excess movement of the forks,
but only after considerable mileage.
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Each fork leg is provided with a drain scrow
(see Fig. G5) and each leg should be treated
separately. Remove the drain scrow, take care not
to lose the small fibre sealing washer. Take the
machine off the stand, apply the front brake and
move the forks up and down to expel the oil. Allow
a few minutes for draining and repeat the operation
with the other leg. Whilst draining the right fork
leg, the forks should be turned on full right lock,
and conversely for draining the left fork leg.
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Refit the drain screws, place the machine on the
centre stand. Remove handlebars to improve
accessibility.
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Unscrew the large filler plug at the top of each
lag, remove the speedometer and tachometer and lift
the front wheel to expose the springs.
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Support the wheel with a block of wood to hold
the springs clear. Using two spanners, unscrew the
filler plugs from the damper rods.
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Remove the wooden block and allow the forks to
extend fully. Pour in a measured 150 cc (5 fl. oz.)
of oil into each leg (see Fig. K7). Because of the
springs
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