A.J.S. 16, Инструкция

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Ignition (Magneto)— Twins
Make
Lucas
Type
K2F
Rotation
Anti-clock
Point gap
·012 in.
Model
Std.
CSR model
Make
K.L.G.
K.L.G.
Type
FE80
FE220
Thread
14 mm.
14 mm.
Reach
¾in.
¾in.
Point gap
·020 to ·022 in.
·020 to ·022 i n .
Crankpin
H—1·62575 in.
L—1·62525 in.
Centre bearing
H—1·62675 in.
L—1·62625 in.
Sparking Plug
Connecting rod—Twins
Internal diameter small end o e g d u G n pin diameter
¾ in. + ·0005 in (H) ¾ in. – ·0001 to – ·0003 in.
¾ i n . – ·0000 in. (L)
NOTE—The 650 c.c. con rods use chamfered end caps. Early type rods will not interchange.
Crankshaft diameters
Pistons (standard size). Top skirt diameter (Twins)
500 c.c.
H—2·5933 in.
L—2·5925 in.
650 c.c.
H—2·8295 in.
L—2·8287 in.
Pistons (standard size). Top skirt diameter (Singles)
350 c.c.
2·7176 in.
+ or – ·0005 i n .
500 c.c.
3·2437 in.
+ or – ·0005 in.
Piston rings
Normal gap ·006 i n . maximum permissible ·030 in.
Engine shaft location—Singles
If the flywheel driving side shaft is removed it must be correctly located otherwise the efficiency of the
alternator will be impaired.
On the face of the driving side flywheel is a mark in the f orm of a "d o t " . The key for the r o t o r must
line up w i t h this marking, for correct location.
Valve guide projection (top of guide to boss)— Singles
Inlet—½ i n . Exhause—½ in.
Valve timing pinion-—Singles
Retained by nut, threaded
v
in. by 26 threads per in. Left hand thread. Part number 000221.
Valve springs—Singles
Free length (between centre of wire)— 2 in.
Renew when
x
to ¼ in. less than normal free length.
Valve springs—Twins
O ut er valve spring g n i r p s e v l a v r Inne
Free length Part number Free length Part number
2 33/64 in. 018348 2
Q
in. 018347
Renew valve springs when 3/16 to 1/4 in. less than normal free length.
Valve timing
A l l timing gears are marked for ease of setting. See page 34 and 42.
Oversize parts—Singles
The following are the only "oversize" variations provided for the 350 and 500 c.c. Single Cylinder machines
Big-end rollers: Cylinder re-bore: Pistons and rings:
·001 in. oversize ·020 in. and ·040 in. oversize ·020 in. and ·040 in. oversize
Oversize or undersize parts—Twins
The following are the only "oversize" variations provided for the Vertical Twin machines.
Big-end and crankshaft centre main bearings:
Undersize
Cylinder re-bore:
·020 in. and ·040 in. oversize
·010 below normal. (Journals to be re-ground to suit)
·020
·030
Pistons and rings:
·020 in. and ·040 in. oversize
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