MOTO GUZZI V1000 G5 User manual

The illustrations and descriptions In this booklet are Indlcatlve only and the manufacturer reser-
ves Itself the right to Introduce any modification It may deem neeesiary for better performance
or for constructive or commercial realonl without prior notice.
SEIMM MOTO GUZZI -Technical publications -Code n. 189000'1 - 1000 -3/78
Printed in Italy -Mariani -Alma (Bergamo)

First of all we wish to thank you for choosing a Moto Guzzi motorcycle.
By fof/owing the instructions outlined in this
booklet you will ensure a
long and troublefree life for your machine.
Before riding, please read carefully these instructions in order that you
may know your motorcycle features and how to operate
it safely.
All major checking and overhauling jobs are best carried out by our
dealers who have the necessary facilities and know how to competently
repair your byke.
Repair and
I or adjustments made by others than Moto Guzzi dealers
during the warranty
period could invalidate the warranty right.

INDEX
4 Main features
10 Controls and accessories
12 Identification data
13 Instruments and controls
21 Riding instructions
23 Running in
25 Maintenance and adjustments
32 Removal of wheels
35 Lubrication and maintenance
37 Lubrications
41 Carburation
44 Valve gearing
45 Ignition
48 Electrical equipment
52 Wiring diagram

4 MAIN FEATURES
Engine
Valve gearing
Carburation
Lubrication
Twin cylinder, 4-stroke
Cylinder disposition «V" 90'
Bore
Stroke
Displacement
Compression ratio
Max
torque
88 mm
78 mm
948,8
cc
9.2 to 1
8.6 kgm at 5200 rpm
O.H.V., push rod operated.
N. 2 Dell'Orto carburettors VHB 30 CD (right).
VHB 30 CS (left).
Pressure, by
gear pump.
Wire gauze and
cartridge filters in oil sump.
Normal lubrication pressure: 3.8 -7- 4.2 kg/sqcm
(54-60 p.s.i.).
Controlled by pressure relief valve.

Generator-Alternator
Ignition
Starting
Front, on the crankshaft (14 V - 20 A).
By battery, with double contact breaker and au-
tomatic advance.
Ignition data:
-Initial advance (fixed)
-Automatic advance
-Full advance (f. + a.)
0" +·2'
31<
31
07
33°
-Contact breaker gap: 0.37 7 0.43 mm
(.014-.016")
-Spark plugs: Marelli CW 7
LP
Bosch W 225 T2
Champion N 9 Y
AC - 44 XL
Lodge HLNY
-Plug points gap: 0.6 mm (.023")
- 2 ignition coils fitted on the frame on top of
the engine.
Electric starter (12 V - 0.7 KW) with electroma-
gnetic ratchet control. Ring gear bolted on the
flywheel. Starter button (START) on R/H of hand-
lebar.
5

6 Transmission
Clutch
Primary drive
Gear box
Secondary drive
Dry type, twin driven plates. Hand controlled by
lever on the left side
of handlebar.
By gears. Ratio: 1.235 to 1
(Z 17/21).
5 speeds, frontal
engagement, constant mesh
gears. Cush drive incorporated. Pedal operated
on
L/H of vehicle.
Gear ratios:
Low gear
2nd gear
3rd gear
4th gear
High gear
to 2 (Z 14/28)
to 1.388 (Z 18/25)
1 to
1.047 (Z 21/22)
1 to
0.869 (Z = 23/20)
1 to 0.750 (Z 28/21)
By cardan shaft. Bevel gear set.
Ratio: 1 to
4.714 (Z 7/33).
Overall ratios (engine-wheel):
Low gear 1 to
11.643
2nd gear to 8.080
3rd gear to 6.095
4th gear to 5.059
High gear = to 4.366

Frame
Wheels
Tires
Brakes
Duplex cradle, tubular structure.
Front and rear: spoked rims WM 3/2.15 -
18"
Front: 100/90 H 18 (MT 18).
Rear:
110/90 H18 (MT18).
Front wheel
Twin disc brakes, two independant controls with
hydraulic lines and twin cylinder calipers.
Controls:
Right front brake: hand controlled by lever con-
nected to master cylinder on R/H side of hand-
lebar.
Left
front brake: pedal controlled at same time
as rear brake.
-
Disc 0 300 mm (11.8")
- Cylinder 0 38 mm (1.49")
-Master cylinder for hand controlled R/H brake:
12.7 mm (.5").
7

8
Dimensions and weights
Performances
Rear wheel
Disc brake, controlled by hand lever and pedal
on R/H side of vehicle, hydraulic hose and 2-
cylinder caliper.
Rear
brake and front brake are interconnected
by an hydraulic circuit.
-Disc 0
242 mm (9.5")
Cylinder 0 38 mm (1.49")
Master cylinder 0 15.875 mm (.624").
Wheelbase
Length
Width
Height
Min.
ground clearance
Weight abt 220 kg (485
1.470 mt (58")
2.200 mt (86.5")
0.850 mt (33")
1.100 mt (46")
0.150 mt (6")
Ibs).
Top speed, solo riding: abt 190 km (120 mph).
Fuel
consumption: abt 5.8 I x 100 km (approx.
35 mpg).

Fuel and oil capacities
Group or part
Fuel tank
Reserve (warned by light)
Oil sump
Gear box
Rear
drive box (bevel gears)
Front
fork (each leg)
Braking circuits (front and rear)
Quantity
24 I (6.6
US gls)
41 (abt 1 US gl)
3 I (abt 3 qts)
0.750 I (abt 20 oz)
0.250 I (abt 9 oz)
of which 0.230 (8 oz)
0.020 e/4 oz)
0.080 I (abt 2 oz)
9
Recommendation
Gasoline 98/100 NO-RM
Oil «Agip Sint 2000 SAE 10/50"
Oil «Agip
F.1 Rotra MP SAE 90"
Oil «Agip
F.1 Rotra MP SAE 90"
Oil «Agip Rocol
ASO/R"
Fluid «Agip F.1 ATF Dexron"
Fluid «Agip F.1 Brake fluid SAE J 1703"

10 CONTROLS AND ACCESSORIES
(fig. 2)
Caliper, right front brake.
2 Front turn signal.
3 Instrument panel with
warning lights.
4 Speedometer.
5 Reservoir
(master cylinder) for right front
brake.
6 Right
front brake control lever.
7 Engine start and stop button.
8
Throttle control grip.
9 Ignition key.
10 Rev-counter.
11 Left front and rear brake control pedal.
12 Footrest.
13 Master cylinder left front brake and rear
brake.
14 Pillion footrest.
15 Rear bumper.
16 Saddlebag.
17 Caliper, left front brake.
18 Headlight.
19 Clutch control lever.
20 Front bumper.
21 Buttons controlling: horn, flashers, and turn
signals.
22 Light switch.
23 Lock for filler cap cover opening.
24 Starter control lever on carburettors.
25 Gear shift pedal.
26 Rear brake caliper.
27 Rear turn signal lamp.
«Right" or «left" in the text are for controls seen
from the
riding position.

11
2 3 4 5 6 7 8 9 10 11
12 13 14 15
1718
19 20
212223 24 25
26
27
2

12 IDENTIFICATION DATA
(fig. 3)
Every m
oto r cycle is i den tified by an id e ntifi catio n
plate on the frame d ow n tube and one ser ial num -
be r sta m pe d on the e ngi ne cran kcase .
The ide
ntifi cat ion pl ate nu mbe r is also men tio-
ned in the m otorcycle l og-book and id en tif ies the
veh icle to all l ega l effects.
Spare parts
In case of part r eplace ments. ensure thai «origi-
nal Moto Guzzi spare parts» only are used.
The use of non-genuine parts invalidates every
warranty right.
Warranty
The warranty is valid for a period of 6 months
with a limitation to 10.000
km from the selling
dat~ and expires in case of modifications to the
motorcycle or partecipation to racing compe-
titions.
Tires
as well as parts or accessories which are
not manufactured in the «Sei
mm -Moto Guzzi
Factories ». are not included in these warranty
terms.
Each n ew mot orcyc le is supplied with a " cou -
po n-b ook · >. It has to be ca r efully kept wit h all
other circulation papers as it is the only d oc u-
ment en tit ling the owne r of the m otorcycle to be
recognized the wa rr an ty righ t by "Seimm - Mo to
Guzzi». in accordance with its genera l co nd it io ns
3
of sale.

INSTRUMENTS AND CONTROLS
(fig. 4)
Speedometer, km or miles counter.
2 Warning light (green), left turn signal.
3 Warning light (green). right turn signal.
4 Warning light (red for USA). high beam (blue
for Europe), high beam.
7 S 2 4
108 3 9 11
5 Warning light (orange). It is lit when the
transmission (gearbox) is in neutral.
6
Warning light (red) indicating current delive-
ry from generator. It must go out when the
engine reaches a certain number of revo-
lut i ons .
7
Warning light (red), oil pressure gauge. It
goes out when the oil pressure is sufficient
for normal engine lubrication. If it does not
go out, this means the oil pressure is not
correct. In such event, the engine has to be
stopped immediately and all circuits have to
be
checked.
8 Warning light (green) indicating parking bra-
kes engaged. This warning light flashes by
turning the ignition key to position ,,2 .. (see
fig. 5). If the
side stand is not raised, the
engine cannot be started .
9
Warning light (red for USA) indicating park-
ing light and low beam on. Warning light
(green for Europe) indicating town driving
4 light and low beam on.
13

14 10 Warning light (red) indicating incorrect fluid
level in front left and rear brake reservoir .
When this
warning light comes on, top up
the fluid level and
check the braking circuit
has no leakages.
11 Warning light (red). fuel reserve. To use the
reserve fuel, bring the tap lever on the right
fuel tank in position "R " (fig. 10).
12 Courtesy light switch (available).
13 Switch . right and left rear emergency fla-
shers.
14 Odometer or km counter reset.
Ignition key (fig. 5)
This key has 3 positions :
"OFF" In line with the mark on panel: machine
at standstill, key removable.
ec A ))
«8»
In
line with the mark on panel (turned
clockwise)' machine ready to be started.
All
circuits on. Key not removable.
In line with mark on panel (turned clock-
wise): machine at standstill. With switch
"A" in fig. 6 in position "0,, parking lights
are on. Key removable.
2 Rev-counter .
Light switch (fig. 6)
Are located on the left handlebar and have 4
positions .
Switch "Au
"0 ,, Parking lights.
"1 ,, Low beam.
s "2
,, Lights off .

Switch "B"
Wi th switch "A" in position ,, 1,,:
"3
,, Low beam.
"4,, High beam.
Horn, flashing light and turn
signal buttons (fig. 6)
Are fitted on the L! H of handlebar.
6
7
Bultons "e"
., 5" Horn.
"6 ,, Flashing light.
Switch "D"
"7,, Right turn lights .
"8
,, Left turn lights .
Engine starting and emergency
stop button (fig. 7j
Right on
handlebar . With ignition key in position
15

16 "A .. (fig. 4) the engine is ready to be started.
To start the engine
proceed as follows:
- u:su re sw itch «8 .. is in position «1 .. (r un );
-pui: the
clutch lev er completely ;
-on a cold engine bring starter lever «8 .. in
tile start position (fig. 28) ;
-- pr€ss start button «A .. (start).
To stop the engine in case of an emergency :
.. - ~ hift switch «8 .. to position «2 .. (OFF).
After
stopping the engine, turn ignit ion key (fig. 4)
antic lockwise until mark «OFF .. is in line with the
mark on the panel and take
out the key.
Easy start lever on carburettor
(fig. 28)
This lever for starting a cold engine is located
near the left cylinder head cov er:
«8 .. Start position.
«C .. Riding position.
Throttle grip control ( << E .. , fig. 7)
Right, on the handlebar . Throttle is opened by
turning
towards the rider and closed viceversa.
Clutch control lever
Left, on the handl ebar . Use it only for engine
starting and gearshifting .
Right front brake control lever
("F .. , fig. 7)
Right, on handlebar . This lever is suitably con-
nected to the master cylinder and operates on
right
front bra ke dis c.
Twin brake control, front left
and rear
brakes (fig. 16)
The control pedal is located on the right side of
the motorcycle and is linkconnected to the fluid
reservoir (master
cylinder) group .
It operates both front left and rear brakes at the
same
time .

Gear control (fig. 8)
This pedal is located on the left hand side of
the
motor cycle.
Positions:
-low gear:
front lever towards the ground ;
-2nd, 3rd, 4th, and top gears:
rear lever to-
wards the ground.
Before a
ctuating this rocking ped al pull the clutch
lever completel y.
8
9
Fuel filler cap (fig. 9)
To obtain access to the fil ler cap it is necessary
to turn key «A
.. on the protec tion cover antic loc k-
wise, when the cover and cap can be lifted.
Fuel level ( << A .. , fig. 10)
The fuel level (reserve) is warned by a lighted
indicator on the panel (<<11 .. in fig. 4) which is
connected with cutout «A .. fitted on the right front
of the tank.
17

18 Fuel taps ( << B», fig. 10)
Are filled at the rear of the tank and have three
positions :
«ON» Open, lever upwards .
«RES» Reserve. arrow on le ve r ciownwards.
«OFF» Closed,
arrow on lever horizontal.
Electrovalve (fig. 28)
Electrovalve «A» is mounted on the left side of
~ ~~~!! !!!!!!!!!!!!!5 :;==::::~::~ 10
11
the motorcycle under the fuel tank and feeds the
carbu rellors.
It comes into action when the key in fig. 5 is in
position «2» .
Terminal block with fuses (fig. 11)
It is located on the right side of the motorcycle
and can be accessed to by removing the R/ H
side
cover and then the terminal block cover.
N. 6 fuses of 16 A are fitted.