AJS G2 - 500 c.c. Models

Con rod diameter
Crank pin diameter
Crank pin rollers
Valve spring free Length
Valve spring wire diameter
Drive side bearing
high
low
high
low
Timing side bush diameter— in situ
Cam wheel bushes (all)
high
low
Finished bore size for 1964 engine
Carburettor
Type
Bore size
Main jet
Slide
Pilot jet
Needle jet
Needle location
Spark Plug
1.7037"
1.7035"
1.23075"
1.20350"
¼" x ¼"—30
2
5
/
64
"
.168"
1" x 2¼" x ¾"
1" x 2¼" x s"
1.1255"
1.1250"
s" + .00075"
"57000. –
2.8352—2.834"
376/5
1z"
220 (no air filter)
3½
30
.106
Central notch
K.L.G. FE 80
Cylinder bore size
Compression ratio
Piston skirt diameter—top
Piston Ring Gap
Gudgeon pin bush
Con rod diameter
Crank pin diameter
high
low
high
low
Crank pin rollers (1962—28 rollers)
Valve spring free length
Valve spring wire diameter
Drive side bearings
Cam wheel bushes
Rocker box bushes
Carburettor
2.915"—2.194"
8.5 to 1
2.9163"—2.9055"
.008"—.013"
as 350 c.c. longstroke
1.7037"
1.7035"
1.20375"
1.20350"
as 350 c.c. longstroke
1A"
x"
as 350 c.c. longstroke
as 350 c,c- longstroke
as 350 c.c. longstroke
as 350 c.c. longstroke
Cylinder bore size
Compression ratio
Piston skirt diameter—top
Piston Ring Gap
Valve spring free length
3.2505—3.2495"
7.3 to 1
3.2475—3.2467"
.010"—.015"
2
5
/
64
"
500 c.c. Heavyweight Model
350 c.c. Heavyweight (Short Stroke) Model
9
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