Technical Data - AJS G2 Servise Manual

Identity
Engine Number
Frame Number
Cylinder Bore
Stroke
Cubic Capacity
Carburettor
Type 376/99
Main jet (without air filter)
Main jet (with air filter)
Choke size
Throttle slide
Needle position
Capacities
Petrol tank
Oil capacity
Gear box
Front chain case
Compression Ratio
General
Seat height
Wheel base
Weight
Ground clearance
Cylinder bore
Nominal size
Piston Size
Skirt diameter (taken at right angle
to gudgeon pin top of the skirt).
High limit
Low limit
Compression Ratio
Valve springs (Scrambler Type)
Inlet Valve head diameter (New Type)
Gear Ratios
Top
Third
Second
First

TECHNICAL DATA

250 c.c. G2 and G2S Models
250 c.c. CSR 1962/64 Models
On the crankcase near engine
plate cowling.
On right hand side of frame head
lug.
69,85 mm.
64.84 mm.
248.5 c.c. (15.2 cu. ins.)
Amal Monobloc (12° inclination)
180
180
1z"
3½
central (.106) pilot 25
3¼ gallons (12.5 litres)
2½ pints (1.4 litres)
3 pints (1.8 litres)
568 c.c.
7.8 to 1
30" (76 cms.)
53" (134.5 cms.)
325 lbs. (148 kilos)
5½" (14 cms.)
2.7500 + .0005"
– .0005"
2.7488"
2.7480"
8 to 1
Spring free length 1½" between
wire centres.
1S"
6.39 to 1
8.31 to 1
11.82 to 1
18.68 to 1
5