MOTO GUZZI 850-T User manual
S.C
.
.R.A.
·
mod
: 019 -
11-74
-
Sao
-Printed in Italy -Marlan
l-
Bergamo
Dear rider,
First
ot
all
we
wish to thank you tor choosing this motorcycle
ot
our
production.
By tollowing the instructions outlined in this manual you will ensure
your bike a long and troubletree lite.
Betore riding, please read thoroughly this manual in
order
to know your
motorcycle's teatures and how to operate
it
sately.
All
major
checking and overhaul jobs are best
carried
out by
our
dea-
lers who have the necessary tacilities to quickly and competently
.r
epair
your Moto Guzzi.
Repairs or adjustments
by
other than a Guzzi dealer during the ,war
pJ
1nty
period
could
invalidate the warranty 'right.
INDEX
4 Main features
10 Controls and accessories
12 Identification data
13 Instruments and controls
19 Riding instructions
22 Maintenance
28 Removal of wheels
31
Lubrication and maintenance chart
36 Lubrications
39 Carburation
42
Valve gearing
43 Ignition -Checking and adjustment of double contact breaker
45 Checking of ignition timing "fixed advance»
47 Electrical equipment
4 MAIN FEATURES
Engine
Valve gear
Carburation
2-
cylinder
4-
stroke
Cylinder
disposition
Bore
Stroke
Displacement
Compress
ion ratio
Revs. at max.
engine
speed
Maximum
horsepower
O.H.V. push rod
operated
.
Timing
data
:
inlet:
opens
closes
exhaust: opens
closes
20
°
before
TDC
52"
after
BDC
52
°
before
BDC
20°
after
TDC
«
V,.
900
mm
83
mm 78
cc
844
9,5
7000 r.p.m.
HP
68
Rocker
clearance
for
valve
timing
mm 1,
5.
Normal
rocker
clearance, cold engine, mm 0,22.
2 Dell'
Orto
carburetors
type
VHB
30
CD
(right)
.
VHB 30 CS (left).
Lubrication
Generator
Ignition
Ignition data
Starting
Pressure, by gear pump. 5
Normal. lubrication pressure 3,8 -;-
4,2
kg/sqcm
(controlled
by relief-valve).
Electrically controlled oil pressure gauge.
Front
(14
V -
13
A)
on the mainshaft.
By battery, with double
contact
breaker and auto-
matic advance.
Initial advance
Automatic advance
Full advance
Contact breaker gap mm 0,42 -;- 0,48
Spark plugs:
long thread (0
14x1
,
2S)
Thermal degree
240
Plug points gap
mm
0,6
2 ignition coils.
8'
26
°
34°
Electric starter with el
ectromagnetic
ratchet con-
trol. Ring gear bolted on flywheel. Starter button,
right on the handlebar.
6 Trasmission
Clutch
Gear box
Frame
Suspension
Wheels
Dry type, twin plates, flywheel driven. Controlled
by lever, on the handlebar (left).
Five speeds, frontal engagement, constant mesh
gears. Cush drive incorporated.
Controlled by pedal on the left side of the mo-
torcycle.
Bevel gear ratio: 1 :
4,625
(Z = 8-37).
Overall gear ratios:
low gear = 1 :
11,424
second gear
1:
7,928
third gear
1:
5,980
fourth gear = 1 : 4,
963
top gear = 1 :
4,284
Duplex cradle, tubular structure.
Telescopic front fork
incorporating
hydraulic
dampers.
Rear swinging fork with externally
adjustable
springs.
Spoked rims,
WM
3/2,15 x
18
front and rear.
Tires
Brakes
Dimensions and weights
Front
3,50H-18841
studded.
Rear 4,10H -
18841
studded.
Pressure:
front
solo
kg/sqcm
with passenger 1,8
rear solo
2,2
kg/sqcm
with passenger
2,5
kg/sqcm
The above data are
for
normal
riding
(cruising
speed).
If
using the
motorcycle
at constant
high
'
speed
or
on motorways,
it
is recommended to
increase pressure
by
0,2
kg/sqcm.
Front:
hydraulic
disc
brake. Disc 0 mm 300.
Controlled by lever, right on the handlebar.
Rear: expansion type
(0
220
x 25). Controlled by
pedal on the right side of the motorcycle.
Wheelbase m 1,470
Max. width m 0,780
Max. length m 2,200
Max. height m 1,060
Min. ground clearance m 0,150
Engine
weight
(dry) with carburetors and elec-
7
8
Performances
Electrical equipment
trical equipment, without inlet silencers, exhaust
pipes and silencers kg 60,500
Curb weight
kg
235
a.
Maximum speed in each gear, solo riding:
Gears Speed
low
gear
km/h
.
76
(
47
m.p.h.)
second
gear
km/h
110 (
68
m.p.h.)
third
gear
km/h
146
(
90
m.p.h.)
fourth
gear
km/h
176 (109 m.p.h.)
top gear
km/h
195
a.
(121
m.p.h.)
Fuel consumption:
I.
7,27 x 100 km (CUNA).
Battery
Headlight (lamp)
high and low beam
City
light
Rear light (lamp)
parking and stop
Turn signal lamps
Speedo and rev.
counter
lamps
Neutral, generator, oil
and lights lamps
Horn
12
V -
32
Ah
12V
-
45/40W
12
V - 5 W
12
V -
5/20W
12V
-
21W
12V
- 3 W
12V-1,2W
12
V
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