Beta Motorcycles EVO 4-Stroke 2020 User manual

4-STROKE
2020
OWNERS MANUAL
WWW.BETAUSA.COM

1EN
EVO 4T EUROPE
Thanks for you preference, and have a good time! This hand-
book contains the information you need to properly operate and
maintain your motorcycle.
The data, specifications and images shown in this manual does not constitute
an engagement on the part of BETAMOTOR S.p.A. BETAMOTOR reserves
the right to make any changes and improvements to its models at any mo-
ment and without notice.
Code 008.44.022.00.00

2
EN
IMPORTANT
We recommend you to check all the tightenings after the first one
or two hours’ ride over rough ground. Special attention should
be paid to the following parts:
%rear sprocket
%ensure that the footrests are properly fixed
%front/rear brake levers/calipers/discs
%check that the plastics are properly fastened
%engine bolts
%shock absorber bolts/swingarm
%wheel hubs/spokes
%rear frame
%pipe connections
%tensioning the chain
IMPORTANT
In the event of interventions on the vehicle, contact Betamotor
after-sales service.

CONTENTS
3EN
TABLE OF CONTENTS
Operating instructions............................................................................. 5
Symbols................................................................................................5
Riding safety .........................................................................................6
CHAPTER 1 GENERAL INFORMATION ............................................7
Vehicle identification data .......................................................................8
Familiarizing with the vehicle...................................................................9
Specifications ......................................................................................10
Electrical system................................................................................... 12
Recommended lubricants and liquids......................................................14
CHAPTER 2 OPERATION.................................................................15
Main parts ..........................................................................................16
Digital rpm indicator operating instructions..............................................20
Checks before and after use.................................................................. 24
Breaking in..........................................................................................24
Fuelling............................................................................................... 25
Startup................................................................................................ 26
Engine shut-down.................................................................................26
CHAPTER 3 ADJUSTMENTS ............................................................27
Key to symbols.....................................................................................28
Clutch................................................................................................. 28
Adjustment of gas clearance.................................................................. 29
Accelerator .........................................................................................29
Handlebar adjustment .......................................................................... 29
Adjusting fork ...................................................................................... 30
Shock absorber....................................................................................30
Suspension adjustment according to the motorcyclist’s weight....................32
Headlight adjustment............................................................................32
CHAPTER 4 CHECKS AND MAINTENANCE ...................................33
Key to symbols.....................................................................................34
Engine oil............................................................................................34
Coolant ..............................................................................................37
Air filter ..............................................................................................39
Spark plug ..........................................................................................41
Carburetor ..........................................................................................42
Front Brake.......................................................................................... 44

CONTENTS
4
EN
Rear brake ..........................................................................................47
Clutch control ......................................................................................50
Check of steering gear..........................................................................52
Oil fork...............................................................................................53
Tyres...................................................................................................56
Chain .................................................................................................57
Headlight............................................................................................59
Rear tail light....................................................................................... 60
Turn indicators .....................................................................................60
Cleaning the vehicle............................................................................. 61
Prolonged inactivity.............................................................................. 62
Scheduled maintenance vehicle ............................................................63
Tightening torque overview ...................................................................64
CHAPTER 5 REMOVING AND INSTALLING SUPERSTRUCTURES 67
Removing and installing saddle-mudguard assembly................................. 68
CHAPTER 6 TROUBLESHOOTING .................................................. 69
Troubleshooting ................................................................................... 70

5EN
OPERATING INSTRUCTIONS
%The vehicle must be accompanied by: number-plate, registration document, tax
disc and insurance.
%Changes to the engine or other parts is punishable by law with severe penalties,
including the confiscation of the vehicle.
%Do not sit on the vehicle stand.
%Do not start the engine in a closed place.
WARNING
Any modifications and tampering with the vehicle during the warranty period exempt
the manufacturer from all responsibility and invalidate warranty.
SYMBOLS
SAFETY/ATTENTION
Failure to respect information marked with this symbol can entail a personal
hazard.
INTEGRITY OF THE VEHICLE
Failure to respect information marked with this symbol can entail serious damage
to the vehicle and termination of the warranty.
FLAMMABLE LIQUID HAZARD
Read the use and maintenance manual carefully.
MANDATORY TO WEAR PROTECTIVE CLOTHING
Use of the vehicle is subject to wearing specific protective clothing and safety
footwear.
PROTECTIVE GLOVES MANDATORY
To perform the operations described, it is mandatory to wear protective gloves .
FORBIDDEN TO USE NAKED FLAMES OR POSSIBLE UNCONTROLLED
IGNITION SOURCES
NO SMOKING
DO NOT USE MOBILE PHONE
CORROSIVE SUBSTANCES HAZARD
Liquids marked with this symbol are highly corrosive: handle with care
POISONING HAZARD

6
EN
RIDING SAFETY
%Observe the Highway Code.
%Always wear approved personal safety equipment.
%Always ride with the low beam on.
%Always keep the crash helmet visor clean.
%Avoid wearing garments with hanging ends.
%Do not keep sharp or brittle objects in your pockets while riding.
%Properly adjust the rearview mirrors.
%Always ride in a seated position, with both hands on the handlebars and both
feet on the footrests.
%Never ride abreast with other vehicles.
%Do not tow and avoid being towed by other vehicles.
%Always keep a safe distance from other vehicles.
%Do not start off while the vehicle is on its stand.
%Avoid swaying and wheelies as they are extremely dangerous for your own and
other people’s safety as well as for your vehicle.
%Always apply both brakes on dry roads with no gravel and sand. Using one
brake may be dangerous and cause uncontrolled skidding.
%To reduce the braking distance, always apply both brakes.
%On wet roads and in off-road riding, drive with care and at moderate speed.
Take special care in applying the brakes.

1
GENERAL INFORMATION
7EN
CONTENTS
Vehicle identification data .......................................................................8
Frame identification ...........................................................................8
Engine identification ..........................................................................8
Familiarizing with the vehicle...................................................................9
Main parts........................................................................................9
Specifications ......................................................................................10
Weight........................................................................................... 10
Vehicle dimensions ..........................................................................10
Tyres.............................................................................................. 10
Capacities...................................................................................... 10
Front suspension.............................................................................. 10
Rear suspension ..............................................................................10
Front brake..................................................................................... 11
Rear brake ..................................................................................... 11
Engine ...........................................................................................11
Carburetor...................................................................................... 11
Gear box .......................................................................................11
Electrical system................................................................................... 12
Electrical diagram ...........................................................................12
Legend electrical diagram ................................................................13
Recommended lubricants and liquids......................................................14
CHAPTER 1 GENERAL INFORMATION

1
GENERAL INFORMATION
8
EN
VEHICLE IDENTIFICATION
DATA
FRAME IDENTIFICATION
Frame identification data Aare stamped
on the right side of the steering head tube.
ENGINE IDENTIFICATION
Engine identification data Bare stamped
in the area shown in the picture.
WARNING:
Tampering with the identification numbers
is severely punished by law.
A
B

1
GENERAL INFORMATION
9EN
MAIN PARTS
1 Fuel tank
2 Tank cap
3 Silencer
4 Rear shock absorber
5 Headlight
6 Rear light
7 Side stand
8 Fork
9 Rider’s footrests
10 Lower bumper
11 Engine
12 Front mudguard
13 Rear mudguard
14 Kick-start
15 Gear lever
16 Rear brake lever
17 Front brake lever
18 Clutch lever
19 Throttle
20 Number-plate holder
21 Turn indicators
22 Horn
14
3
12
4
7
2
16
6
1
5
13
8
19
17
18
11
10 15 9
20
21
22
FAMILIARIZING WITH THE VEHICLE

1
GENERAL INFORMATION
10
EN
SPECIFICATIONS
WEIGHT
Weight in running order...................................................................80 kg
Front ..........................................................................................40 kg
Rear...........................................................................................40 kg
VEHICLE DIMENSIONS
maximum length........................................................................ 2020 mm
maximum width .......................................................................... 850 mm
wheelbase................................................................................ 1305 mm
maximum height ....................................................................... 1115 mm
ground clearance........................................................................ 310 mm
saddle height.............................................................................. 660 mm
TYRES
The use of Dunlop D803 GP tyres is recommended.
CAPACITIES
fuel tank......................................................................................2,8 liters
coolant circuit................................................................................600 ml
engine oil......................................................................................900 ml
FRONT SUSPENSION
Wheel excursion [mm] 166
right fork leg left fork leg
K spring [N/mm] X 7,6
Oil type Fuchs 5113D SAE 5
Oil quantity [g] 297
Register spring preload X full open
Click in extension (from fully closed) 22 X
REAR SUSPENSION
k spring 70N/mm
Length (spring in its seat) 126,5mm
Oil type oil titan SAF 5045 Eu 137 RED
Click in extension (from fully closed) 2,5
Dimensions Pressure [Bar]
Front tyre Rear tyre Front tyre Rear tyre
2.75 - 21 4.00 - 18 0.4 ÷ 0.5 0.3 ÷ 0.4

1
GENERAL INFORMATION
11 EN
FRONT BRAKE
disk-type with hydraulic control Ø 185 mm
REAR BRAKE
disk-type with hydraulic control Ø 160 mm
ENGINE
Type ..................................................................... Single-cylinder, 4-stroke
Bore x stroke ............................................................................84 x 53,6
Displacement [cm3]........................................................................... 297
Pressure ratio................................................................................ 11,4:1
CO2 .........................................................................................77 g/km
Fuel consumption ..................................................................3,3 l/100km
Fuel system...............................................................................carburetor
CARBURETOR
Carburetor type ....................................................................SE BSR33-79
Main jet............................................................................................. 80
Slow jet ............................................................................................. 15
Start jet.............................................................................................. 60
Needle ........................................................................................ 5D132
Needle position (from top).....................................................................1°
Air screw turns (from all closed) ...................................................... 2+1/2
Cooling system ......................................... forced liquid circulation by pump
Spark plug ..........................................................................NGK MR7BI-8
Clutch .................................................................................wet, multidisc
GEAR BOX
Primary drive................................................................................ 18/63
Gear ratio 1st gear ....................................................................... 13/36
Gear ratio 2nd gear...................................................................... 15/36
Gear ratio 3rd gear ...................................................................... 16/30
Gear ratio 4th gear....................................................................... 24/27
Gear ratio 5th gear....................................................................... 28/21
Secondary drive ........................................................................... 42/13
Ignition ...........................................................electronic Hidria 12V-110W

1
GENERAL INFORMATION
12
EN
ELECTRICAL SYSTEM
ELECTRICAL DIAGRAM
Key to colours
Bi = White
Ve = Green
Ma= Brown
Vi = Purple
Bl = Blue
Ne = Black
Gi = Yellow
Rs = Red
Ar = Orange
Az = Sky-blue
Ro = Pink
Gr = Grey

1
GENERAL INFORMATION
13 EN
LEGEND ELECTRICAL DIAGRAM
1 - Stop button
2 - R.H. front turn indicator 12V 6W
3 - Position light 12V 5W
4 - Headlamp 12V 35/35W
5 - “Select” button
6 - Diagnosys warning light
7 - L.h. turn indicator warning light
8 - Dashboard
9 - High beam warning light
10 - “Mode” button
11 - R.h. turn indicator warning light
12 - Speed sensor
13 - Horn button
14 - Flash-to-pass button
15 - Light switch
16 - Turn signal switch
17 - Control group
18 - L.H. front turn indicator 12V 6W
19 - Intermittence
20 - Socket OBD
21 - Rear brake stop button
22 - L.H. rear turn indicator 12V 6W
23 - Rear stop light Led
24 - R.H. rear turn indicator 12V 6W
25 - Engine stop button
26 - Pick-up
27 - Stator
28 - Spark plug
29 - Coil
30 - Electronic control unit
31 - Regulator
32 - Front light led
33 - Frame earth
34 - Fuel cock
35 - Thermal switch
36 - Electrofan
37 - Horn

Oil Recommendations
Evo 4 Stroke Models:
Engine Oil: Motul 7100 10w40 (For Competition use Motul 300V 10w40)
Brake Fluid Motul RBF 600
Coolant/Antifreeze Motul Motocool Expert
Fork Oil Motul Factory Line 5 wt.
Air Filter Oil Motul Air Filter Oil
Air Filter Cleaner Motul Air Filter Clean
Grease Motul Tech 300
Evo 2 Stroke Models:
Premix Oil: Motul 800 2T
Transmission Oil Motul Transoil Expert 10w40
Brake/Clutch Fluid Motul RBF 600
Coolant/Antifreeze Motul Motocool Expert
Fork Oil Motul Factory Line 5 wt.
Air Filter Oil Motul Air Filter Oil
Air Filter Cleaner Motul Air Filter Clean
Grease Motul Tech 300

2
OPERATION
15 EN
CHAPTER 2 OPERATION
CONTENTS
Main parts ..........................................................................................16
Fuel cock........................................................................................ 16
Starter............................................................................................ 16
Hot start .........................................................................................16
Clutch lever ....................................................................................16
LH switch........................................................................................17
RH switch .......................................................................................17
Front brake lever and gas control ......................................................17
Gearchange lever............................................................................18
Brake pedal....................................................................................18
Kick-start ........................................................................................18
Keys ..............................................................................................19
Device against unhautorised use........................................................19
Digital rpm indicator operating instructions..............................................20
Main parts......................................................................................20
Warning lights ................................................................................ 20
Adjust button function instruction .......................................................21
Select button function instruction........................................................22
To enter the setting mode..................................................................22
Checks before and after use.................................................................. 24
Breaking in..........................................................................................24
Fuelling............................................................................................... 25
Startup................................................................................................ 26
Engine shut-down.................................................................................26

2
OPERATION
16
EN
MAIN PARTS
FUEL COCK
Fuel cock has two positions:
C : OFF Automatic. If the engine is shut off,
the fuel supply is switched off and the fuel
cannot flow from the tank to the carburetor.
A: fuel supply always enabled. The fuel
passes from the tank to the carburetor even
with the engine off.
STARTER
The starter lever 1is located on the car-
burettor.
To use, pull it out.
HOT START
The hot start 2is located on the intake
manifold.
To use, pull it out.
CLUTCH LEVER
Clutch lever 1is fitted to the left-hand side
of the handlebars.
1
1
2

2
OPERATION
17 EN
LH SWITCH
The dip and service switch is located on
the left side of the handlebar and is com-
posed as follows:
1- Horn button;
2- Dip switch:
daylight lights and high beam;
daylight lights and low beam;
3- Flash-to-pass button;
4 - Turn signal light switch: shifting lever left
or right activates the left or right indicators;
To disable direction indicators, move the
lever to the centre position.
RH SWITCH
The off switch is positioned on the right-
hand side of the handlebar and consists
of the following:
shutdowns engine : it is necessary to
hold it until the engine stops.
FRONT BRAKE LEVER AND GAS
CONTROL
The front brake lever 1and the gas throt-
tle 2are located on the right side of the
handlebar.
1
2
3
4
1
2

2
OPERATION
18
EN
GEARCHANGE LEVER
Gearchange lever is fitted to the left side
of the engine.
The positions corresponding to the different
gears are shown in the figure.
BRAKE PEDAL
Brake pedal is located in front of the right-
hand footrest.
KICK-START
The kick-start pedal is located on the left
side of the engine. The upper part is rotat-
able.
SIDE STAND
Press down side stand with the foot and
lean the vehicle against it.
Ensure that the ground is solid and the
vehicle stands steadily.
WARNING! The kickstand has an
automatic closing device. When the
vehicle weight on the kickstand is
reduced, it closes automatically.
ATTENTION! Do not climb on the
vehicle with the side stand lowered.
1
2
3
4
5
N
6

2
OPERATION
19 EN
KEYS
The vehicle is supplied with two keys (one
key and its spare).
DEVICE AGAINST
UNHAUTORISED USE
To enable the device:
-
Turn the wheel until one of the windows
on the ring gear completely uncovers the
locking device pin;
- Insert the key into the lock, turn coun-
terclockwise and push it until the pin
reaches stroke end. From this position,
turn the key clockwise and remove it.
In so doing, the rear wheel will be locked.
To disable the device:
- Insert the key into the lock and turn
counterclockwise;
-
Release the key until the pin is in a rest
position. From this position, the rear
wheel can move freely
CAUTION: Do not keep the spare key in
the motor bike but place it in a safe place.
We suggest noting down the number
stamped on the keys in case you need a
duplicate.
ATTENTION! Before starting up
the vehicle, make sure you have
switched off the device.