BSA D1 125 c.c. Bantam, Инструкция по эксплуатации, Страница: 23 / 33

Rear Chain
The rear chain is adjusted by means of screw adjusters in the fork ends at the back of
the wheel spindle. First slacken off the knurled rear brake adjusting nut, as the brake
rod may prevent free movement of the wheel. It is not necessary to disturb the
speedometer drive unit. Slacken off nuts (A) Fig. 9, and screw the adjusters (B) in or
out until the chain tension is correct.
The
REAR CHAIN
should be adjusted with the machine on its stand, i.e., with the
rear wheel in its lowest position in the rear suspension. The adjustment is correct
when the total up and down movement in the centre of the chain run at its tightest
point is ½ in. for plunger frame models and ¾ in. for swinging arm frame models.
Make sure that the wheel is hard up against the adjusters when checking, and
also that the adjustment is equal on both sides of the wheel so that the latter is in
correct alignment in the frame. This can be done either by glancing along the line of
both wheels when the front wheel is set straight, or by means of a long straight-edge
or the edge of a plank placed along the sides of the wheels. The straight-edge should
touch both walls of both tyres.
After adjusting retighten nuts (A) and (B).
F
IG
. 9. Rear Chain Adjustment.
Brakes
In the case of the rear brake a knurled nut on the brake rod effects any adjustment
necessary, and a few turns are all that is required to improve braking efficiency. The
front brake is adjusted by means of the knurled thumb nut on the cable stop at the
lower end of the forks.
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