BSA B31 - Page 31

Intemal
Ratios Standard
Closc
Ratios
Extra
Close Scrambles
Top
Third
Second
.,
Fi$t
t.mo
t.2to
1.758
2.580
1.000
l.l0l
1.460
2.t24
t.000
r.099
1.326
t.929
1.000
1.754
2.343
TABLE V
,2
The tange of sprockets
and
gear
ratios
is
given
in
Tabte
WII
below.
'
To Sp.ciål
Ord.t oaly.
with suitable
elgine shaft
and
gearbox
sprocket!
the above four
ranges of
Sparbox
ratios
provide
suitablc
gearing
for
the events showa
in Tables VI
aid VII.
TABLE
VI
TABLE
VIII
.
Th.!c
r.tia 6 dort
co@only
u!.d.
R€commended
gear
ratios fot vdious
circuits
are
indicstcd
in Table
IX below.
TABLE
IX
Top
gear
B34 G.
S.
Gear
ratios
for
832
Gold Stat
Top
Third Second
Fi$t
Touring
Scrambl€s
..
Racing & Clubman's
1.73
5.28
to.u
5.80
14.42
18.
10.15
9.86
t3.56
7.00
Gear
ratios
for
834 Gold
Står
Touring
Scraobles
..
Racilg &
Clubrnan's
Top
Third
S€cood First
Ab€rdare..
Altca.
Blatrdford..
Brands Hatgh
Brough
Eppynt
Sc€rborough
Silverstone . .
Snetterloo
..
ThruxtoD..
Clubmans
..
TABLE VIT
5.O
7.26
4.52
6.05
9.62
4.96
5.93
5.93
5.38
5.93
i.)v
5.93
t.!v
5.93
5,38
5.59
5.28
5.28
5.28
4.15
5.0
5.0
5.0
5.0
4.75
4.75
4.75
4.52
*2
ot 3
.2
.2or3
3
r2
12
lr2
3
3
3
3
12.90
17.0
8;lr
8.79
1) 1\
5.99
CIUæh
E
sir.
t6nrErrrarl
43
7-05
6.26
5,93 5.64 5.38
l9 5.93
.5.6
.5.28
.5.O
1.75
.1,32
15
t6
.7.73 .7,25
6.85 6.50
6.lE 5.89
t9
5.50
6.t2
5.44 5.m L96
Gearbox
Type
(See
Table
u
58
.Gcårbor
ty!,e 2 to special
order only.