MOTO GUZZI 850-T3 User manual

Dear rider,
First of all we wish to thank you for choosing this motorcycle of our
production.
By following the instructions outlined in this manual you will ensure
your bike a long and troublefree life.
Before riding, please
read throughly this manual in order to know your
motorcycle's features and how to operate it safely.
All major checking and overhaul jobs are best carried out by our dea-
lers who have the necessary
facilities to quickly and competently repair
your Moto Guzzi.
Repais
or adjustments by other than a Guzzi dealer during the warranty
period could invalidate the warranty right.

, .
INDEX
4 Main features
10
Controls and accessories
12
Identification data
13 Instruments and controls
20 Riding Instructions
21 Running in
23 Maintenance
29 Removal
of wheels
32 Lubrication and
maintenance
31l· Lubrications
38 Carbu ration
41 Valve gearing
4~ :
Ignition
46 Electrical equipment
48 LIGHTS (Europe model)
50
Wiring Diagram (Europe model)
51
LIGHTS (U .S.A. model)
52 Wiring Diagram (U.S.A. model)

4 MAIN FEATURES
Valve gear
Carburation
Lubrication
Generator
Ignition
2-cylinder 4-stroke
Cylinder disposition
Bore
Stroke
Displacement
Compression ratio
Output
"v" 90·
mm 83
mm 78
cc 844
9,5
HP 68,5 SAE at 7.000 r.p. m.
O.H.V. push rod operated.
2 Dell'Orto carburetors type VHB 30 CD (right),
VHB 30
CS (left).
Pressure, by gear pump.
Normal lubrication pressure 3,8 -;- 4,2 kg/sqcm
(controlled by relief-valve).
Electrically controlled oil pressure gauge.
Wire gauze and
cartridge oil filters.
Front (14 V - 20 A) on the mainshaft.
By battery, with double contact breaker and auto-
atic advance.

Starting
Transmission
Clutch
Primary
drive
Gear box
Ignition data:
Initial advance (fixed) 2°
Automatic advance 31'
Full advance 33'
Contact breaker gap mm 0,37 -7- 0,43
Spark plugs:
Mare"i CW 7 L; Bosch W 225 T 2; AC - 44 XL;
Champion N 9 Y.
Plug pOints gap mm 0,6
2 ignition coils.
Electric starter
(12 V - 0,7 HP) with electromagne-
tic ratchet control. Ring gear bolted on flywheel.
Starter button, (START) right on the handlebar.
Dry type, multiplates. flywheel driven. Lever
con-
trolled from handlebar (lett).
via the gearbox.
Ratio : 1:1,
235 (Z = 17 / 21) .
Five speeds, frontal engagement, constant mesh
gears. Cush drive incorporated.
5

6
Secondary
drive
Frame
Suspension
Pedal controlled from lett side of the motorycle
Ratioes:
low gear 1 : 2 (Z = 14/28)
2nd
gear 1 : 1,388 (Z = 18/25)
2rd gear 1 : 1,047 (Z = 21/22)
4th. gear 1 : 0,869 (Z = 23/20)
top gear 1 : 0,750 (Z = 28/21)
cardan shaft (bevel
gear set).
Ratio: 1 : 4,714 (Z = 7/33).
Overall gear ratioes (engine/wheel):
low gear 1 : 11,643
2nd gear 1 8,080
3rd. gear 1 6,095
4th gear 15,059
top gear 1 4,366
Duplex cradle, tubular structure.
Telescopic front fork incorporating sealed hydrau-
lic dampers.
Rear swingin fork with externally adjustable
springs.

Wheels
Tires
Brakes
' '''
Spoked rims, WM 3/2,15 x 18 front and rear.
Front 3,50 H - 18 H or 100/90 H - 18 H.
Rear 4,10 H - 18 H
or 110/90 H - 18 H.
Front:
Hydraulic disc brake, (right) twin braking cylinder
caliper . Hand lever controlled from the handlebar
(R/H). Hydraulic transmission, free from rear
braking system.
Disc
dia . 300 mm.
Braking
cylinder dia. 38 mm.
Master
cylinder dia. 12,7 mm.
Twin
hydraulic disc brake, (left) featured and di-
mensioned as above. Pedal lever controlled from
the motorcycle (R / H). Hydrau!ic t~ansmission,
bound to rear braking system.
Rear:
Hydraulic disc brake, t wi n braking cylinder ca-
liper. Pedal lever ccntrol/ed from the motorcycle
(R/H).
Disc dia. 242 mm .
Braking
cylinder dia. 38 mm.
Master cylinder dia. 15,857 mm .
Pedal
control actuates both twin front (left) and
rear brakes at the same time.
7

8
Dimensions and weights
Performances
Fuel and oil capacities
Group or part
Fuel tank (Reserve 14)
Sump
Gear box
Wheelbase
Max. width
Max. length
Max. height
Min. ground clearance
Curb weight
m 1,470
m 0,780
m 2,200
m 1,060
m 0,150
kg 243
Maximum speed in each gear, solo riding:
Gears Speed
low gear km/h 71,837
second gear km/h 103,502
third gear km/h 137,339
fourth gear km/h 165,329
top gear km/h 195
Fuel consumption: I. 6 x 100 km.
24 Petrol 98/100 NO-RM
13 Agip SINT 2000 SAE 10 W/50
10,7 50 Agip F.1 Rotra MP SAE 90

/
v1
Rear drive box
(bevel set lubrification)
Front fork (each leg)
Front and Rear Brakes
Passing ability
(U.S. Standards)
Braking ability
(U.S. Standards)
10,230
10 , 020
10, 070
Agip F.1 Rotra MP SAE 90
Agip Rocol ASO/R
Agip F.1 ATF Dexron
Agip F.1 Brake fluid
Passing
of a 55 feet long truck travelling at 20
m.p.h.
-Time: 6,5 seconds
-Distance travelled: 334 feet
Passing
of a 55 feet long truck travelling at
50 m.p. h.
- Time :
-Distance travelled: 8,7
seconds
900 feet
The above
includes a safety distance of 40 and
100 feet respe ct ively between the passing and
pace vehicle at the beginning
a!":d end of the
manoeuvre.
Stopping distance from 60 m.p.h. (solo, using
both brakes): 177 feet.
Stopping distance with passenger from 60 m.p.h.
(using both brakes): 190 feet.
9