AJS 350 1954, Maintenance Manual And Instruction Book, Page: 7 / 96

Gear box ratios
Model
Touring
Competition (Rigid)
Competition (Spring)
First gear
2·65 to 1
3·11 to 1
2·65 to 1
Second gear
1·70 to 1
1·02 to 1
1·70 to 1
Third gear
1·308 to 1
1·422 to 1
1·308 to 1
Fourth gear (top)
1 to 1
1 to 1
1 to 1
Gear ratios, Touring (Rigid and Spring Frame) and Spring Frame Competition
Models
Engine sprocket size
15 teeth
(c) 16 teeth
17 teeth
(a) 18 teeth
19 teeth
20 teeth
(b) 21 teeth
First gear
18·55 to 1
17·32 to 1
16·32 to 1
15·44 to 1
14·55 to 1
13·91 to 1
13·25 to 1
Second gear
11·90 to 1
11·15 to 1
10·47 to 1
9·90 to 1
9·33 to 1
8·91 to 1
8·50 to 1
Third gear
9·15 to 1
8·58 to 1
8·05 to 1
7·63 to 1
7·18 to 1
6·86 to 1
6·54 to 1
Fourth gear
(top)
7 to 1
6·56 to 1
6·16 to 1
5·83 to 1
5·49 to 1
5·25 to 1
5·0 to 1
(a) Standard for 350 c.c. Touring Models and 500 c.c. Spring Frame Competition Models.
(b) Standard for 500 c.c. Touring Models.
(c) Standard for 350 c.c. Spring Frame Competition Models.
Gear ratios, Competition Rigid Frame Models
Engine sprocket size
15 teeth
(a) 16 teeth
17 teeth
(b) 18 teeth
19 teeth
20 teeth
21 teeth
First gear
21·77 to 1
20·40 to 1
19·56 to 1
18·13 to 1
17·07 to 1
16·33 to 1
15·55 to 1
Second gear
14·14 to 1
13·25 to 1
12·44 to 1
11·78 to 1
11·09 to 1
10·60 to 1
10·09 to 1
Third gear
10·37 to 1
9·72 to 1
9·13 to 1
8·64 to 1
8·14 to 1
7·78 to 1
7·41 to 1
Fourth gear
(top)
7 to 1
6·56 to 1
6·16 to 1
5·83 to 1
5·49 to 1
5·25 to 1
5·0 t o 1
(a) Standard for 350 c.c. Models.
(b) Standard for 500 c.c. Models.
Ignition (magneto)
Model
Touring 350 c.c.
Touring 500 c.c.
All Competition
Make
Lucas
Lucas
Lucas
Type
N1-4
SR-1
NR-1
Rotation
Anti-clock
Anti-clock
Anti-clock
Point gap
·012 in.
·012 in.
·012 in.
Ignition point before top
dead centre (with control
in fully advanced position)
Normal 37° (
v
") Max. ½"
Normal 37° (
v
") Max. ½"
Normal 37° (
v
") Max. ½"
Lighting (bulbs)
Location
Head lamp (Pre-focus)
Pilot lamps
Rear lamp...
Speedometer
Type
Double filament
Single contact
Double filament
Single contact
Voltage
6
6
6
6
Wattage
30 x 24
3
18 & 3
1·8
Part
number
312
988
352
53205
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