Robin
850
Workshop
Manual
Supplement
General
specification
Engine
No.
of
cylinders
Bore
of
cylinders
Stroke
of
crankshaft
Cubic capacity
Compression ratio and pressure
Valve clearance
Inlet
Exhaust
Performance
data
Brake horse-power (max)
Torque (max)
Lubrication
system
Pump
Filter
Oil
pressure
Gearbox
4 in line
62·50mm
(2·46in)
69·09mm
(2·72in)
848cc
(51·75cu. in.)
9·5:1 at
140
psi
Hot
0·25mm
(0·01 Oin)
0·25mm
(0·010in)
40·00
at 5,500 rpm
Cold
0·152
mm (0·006 in)
0·152mm
(0·006in)
5·53kgm
(461bft) at 3,500 rpm
Submerged eccentric rotor type
External full
flow
type
3·16kg/sqcm
(451b/sqin)
Four forward speeds and reverse, synchromesh on all forward gears.
Ratios Top 1
·000:1
Rear
axle
Type
Ratio
Brakes
System
Size-
front
-rear
Hand brake
Ignition
1 2
volt
battery and coil
Contact breaker gap
Spark
plugs - type
-gap
Firing order
Ignition timing
Cooling
system
3rd 1·320:1
2nd 2·050:1
1st 3·880:1
Reverse 3·250:1
Spiral bevel
gear, semi-floating
3·23:1
Hydraulically
operated internal expanding
to
all wheels
177·8
x 38·1 mm (7 x
1·50in)
177·8
x
31·75mm
(7 x
1·25in)
Lever type operating rear brakes mechanically
Negative earth
0·38
mm
(0·015 in)
Motorcraft
AG
R 32
0·64 mm (0·025 in)
1,
3,
4, 2
T.D.C.
Pressurised radiator, pump assisted circulation and three-bladed fan driven by a
·v·
belt from
engine
pulley.
Radiator cap pressure
0·49kg/sqcm(7·01b/sqin)
Fuel
system
Carburettor
Fuel pump
Air
cleaner
Clutch
Type
Operation
S.U. semi-downdraught HS2
1-!
Mechanical
type
Paper
element type
Spring pressure
plate assembly
with
single
dry plate
Cable
1
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