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4-STROKE
2020
OWNERS MANUAL
W W W . B E T A U S A . C O M

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Summary of Contents for Beta Motorcycles EVO 4-Stroke 2020

  • Page 1 4-STROKE 2020 OWNERS MANUAL W W W . B E T A U S A . C O M...
  • Page 2 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.
  • Page 3 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...
  • Page 4: Table Of Contents

    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 ..............
  • Page 5 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 ............
  • Page 6: Operating Instructions

    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.
  • Page 7: Riding Safety

    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.
  • Page 8: Chapter 1 General Information

    CHAPTER 1 GENERAL INFORMATION 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 ..................
  • Page 9: Vehicle Identification Data

    VEHICLE IDENTIFICATION DATA FRAME IDENTIFICATION Frame identification data A are stamped on the right side of the steering head tube. ENGINE IDENTIFICATION Engine identification data B are stamped in the area shown in the picture. WARNING: Tampering with the identification numbers is severely punished by law.
  • Page 10: Familiarizing With The Vehicle

    FAMILIARIZING WITH THE VEHICLE 10 15 MAIN PARTS 1 Fuel tank 12 Front mudguard 2 Tank cap 13 Rear mudguard 3 Silencer 14 Kick-start 4 Rear shock absorber 15 Gear lever 5 Headlight 16 Rear brake lever 6 Rear light 17 Front brake lever 7 Side stand 18 Clutch lever...
  • Page 11: Specifications

    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 ................
  • Page 12: Front Brake

    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...
  • Page 13: Electrical System

    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...
  • Page 14: Legend Electrical Diagram

    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”...
  • Page 15: Recommended Lubricants And Liquids

    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...
  • Page 16: Chapter 2 Operation

    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 ..................
  • Page 17: Main Parts

    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.
  • Page 18: Lh Switch

    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;...
  • Page 19: Gearchange Lever

    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.
  • Page 20: Keys

    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.
  • Page 21: Digital Rpm Indicator Operating Instructions

    DIGITAL RPM INDICATOR OPERATING INSTRUCTIONS MAIN PARTS Time Stopwatch: According to setup distance to record the testing time. Speed Log: Average speed and max Speedometer speed record. Display range: 0~360km/h (0~225 MPH) Display unit: km/h or MPH Indicator lights High beam light (Blue) Direction light (Green) Adjust Button MIL Indicator light...
  • Page 22: Adjust Button Function Instruction

    ADJUST BUTTON FUNCTION INSTRUCTION In main screen, press the Adjust button once to switch the function from odometer to trip. In main screen, you could hold pressing the Adjust button for 3 seconds to change the speed unit. Press the Adjust button to switch from trip A to trip B.
  • Page 23: Select Button Function Instruction

    SELECT BUTTON FUNCTION INSTRUCTION Press the Select button to switch from Stopwatch to Speed Record. Press and hold the Select button for 3 seconds to reset the Stopwatch. Press the Select button to switch from Speed Record back to main screen. Press and hold the Select button for 3 seconds to reset the Speed Record.
  • Page 24 Distance setup for Stopwatch Press the Select button to choose auto/ manual stopwatch function. If Auto is chosen, press the Select button to exit the stopwatch setting function. NOTE: Default: AUTO Switch from Press Select button to switch to total Mile- age setting screen.
  • Page 25: Checks Before And After Use

    CHECKS BEFORE AND AFTER USE For safe driving and long vehicle life you should: Check pressure, general condition and thickness of tread (page 10). lights, the indicators, the warning lights and the horn. BREAKING IN The breaking-in period lasts approximately 5 hours, during which it is advisable to: Avoid travelling at constant speed.
  • Page 26: Fuelling

    FUELLING Use unleaded gasoline. Fuel tank capacity is shown on page 10. page 10. . To open the fuel tank’s cap, turn it anti- clockwise. To close the fuel tank’s cap, set it on the tank and crew it clockwise. WARNING: The refuelling should be performed with the engine off.
  • Page 27: Startup

    STARTUP Set the fuel tank cock to “A” (see page 16). - Check that the gears are in neutral (page 18). - Pull the clutch lever (page 16). Pull the clutch lever (page 16). (page 16). KICKSTART (page 18): depress the kick-starter with a sharp move- ment of the foot.
  • Page 28: Chapter 3 Adjustments

    CHAPTER 3 ADJUSTMENTS CONTENTS Key to symbols..................28 Clutch ....................28 Adjustment of gas clearance ..............29 Accelerator ..................29 Adjusting the idle speed ..............29 Handlebar adjustment ................29 Adjusting fork ..................30 Adjusting the rebound damper ............30 Adjusting the spring preload .............
  • Page 29: Key To Symbols

    KEY TO SYMBOLS Tightening torque Threadlocker Medium Grease CLUTCH The position of the lever is controlled through the use of register 1. Once the position of the lever has been changed, register 2 must be changed to restore the initial correct clearance. The idle stroke of push rod must not be less 0,9 mm than 0.9 mm...
  • Page 30: Adjustment Of Gas Clearance

    ADJUSTMENT OF GAS CLEARANCE The throttle control cable should always have a 3-5 mm play. In addition, the idle speed should not change when the han- dlebars are fully rotated to the left or right. To adjust the clearance proceed as follows: - Loosen ring 1.
  • Page 31: Adjusting Fork

    ADJUSTING FORK ADJUSTING THE REBOUND DAMPER The hydraulic brake unit in extension determines the behaviour in the extension phase of the fork and can be adjusted us- ing screw 1. Turning clockwise increases the action of the brake in extension, while rotating counter-clockwise decreases the action of the brake in extension.
  • Page 32: Adjusting The Spring Preload

    ADJUSTING THE SPRING PRELOAD To adjust the spring preload, use the pro- cedure described below. Loosen counter-ring 1, rotate ring 2 clock- wise to increase the spring preload (and consequently the shock absorber preload) or anticlockwise to decrease it. After obtaining the desired preload, turn counter-ring 1 until it stops against adjust- ing ring 2.
  • Page 33: Suspension Adjustment According To The Motorcyclist's Weight

    SUSPENSION ADJUSTMENT ACCORDING TO THE MOTORCYCLIST’S WEIGHT The following table shows the approximate calibration of the suspension adjustment according to the motorcyclist’s weight. p < 70 Kg 70 Kg < p < 80 Kg 80 Kg < p Adjustment Adjustment Adjustment Fork Shock absorber...
  • Page 34: Chapter 4 Checks And Maintenance

    CHAPTER 4 CHECKS AND MAINTENANCE CONTENTS Key to symbols..................34 Engine oil .................... 34 Check the level ................34 Replacement ................... 34 Coolant ....................37 Check the level ................37 Replacement ................... 38 Radiator grill ................... 39 Air filter ....................39 Removing and fitting air filter ............
  • Page 35: Key To Symbols

    KEY TO SYMBOLS Tightening torque Threadlocker Medium Grease ENGINE OIL CHECK THE LEVEL The engine oil level must be checked when the engine is warm. Let the engine run for a few minutes then turn it off. Keep the vehicle in vertical position relative to the ground.
  • Page 36 - Unscrew the plug 4 in the left-hand cas- ing and use pliers to extract the filter. Clean it carefully and blow it through with compressed air. Check for damage to the O-rings, and replace them if necessary. Refit all the parts and tighten the plug to 15 Nm.
  • Page 37 - Extract the paper filter using pliers. Check the condition of the O-ring too, and replace it if necessary. Change the filter and refit the cover, tightening the three M6x20 bolts to 10 - Pour in the quantity of oil indicated on page 10.
  • Page 38: Coolant

    COOLANT CHECK THE LEVEL Keep the vehicle in vertical position relative to the ground. The level of the coolant must be checked when the engine is cold. Use the following procedure: - Unscrew cap 1 and ensure that the liq- uid is visible in the lower portion of the loading tube.
  • Page 39: Replacement

    REPLACEMENT Position the vehicle on a flat base and in a stable manner. Replacement of the coolant must take place when the engine is cold. 1) Unscrew cap 1. 2) Unscrew screw 2, collecting the liquid in a container. 3) Drain the liquid. 4) Tighten screw 2 applying the specific washer.
  • Page 40: Air Filter

    - with the eyes, rinse immediately with plenty of water and seek medical advice; - with skin, Immediately clean contaminat- ed areas with soap and water Change clothing that is contaminated with cool- ant. If coolant is swallowed, contact a doctor immediately.
  • Page 41: Cleaning Air Filter

    - Remove the filter frame and the filter by unscrewing the screw 2. WARNING: After every intervention, check that nothing has been left inside the filter box. - Reassemble by performing the operations in reverse order. CLEANING AIR FILTER - Thoroughly wash the filter with water and soap.
  • Page 42: Spark Plug

    Verify the integrity of water proofing gaskets on air box shown in the picture. Change them if these are damaged. To replace, contact authorised Betamotor customer service. WARNING: Never use the vehicle if the air filter is not in place. The infiltration of dust and dirt can cause damage and considerable wear.
  • Page 43: Carburetor

    CARBURETOR DRAINING THE CARBURETOR FLOAT CHAMBER If the carburetor tank needs to be emptied, proceed as described. Perform the opera- tion once the engine is cold. Turn the fuel cock to OFF position (see page 16). Place tube 1 in a container to gather the fuel that flows out.
  • Page 44 Fuel must not come into contact with the skin, eyes, and clothing. Do not breathe in the fuel vapours. If contact occurs with the eyes, rinse immediately with plenty of water and seek medical advice. If con- tact occurs with skin, immediately clean contaminated areas with soap and water If fuel is swallowed, contact a doctor immediately.
  • Page 45: Front Brake

    FRONT BRAKE CHECK THE LEVEL OF THE FRONT BRAKE FLUID Check the level of the brake fluid through sight A. The level of the fluid should never fall below the mark in the sight. RESTORING THE LEVEL OF THE FRONT BRAKE FLUID To restore the level of the brake fluid, loosen the two screws 1, lift cap 2 and add brake fluid until its level is 5 mm below the upper...
  • Page 46: Bleeding The Front Brake

    BLEEDING THE FRONT BRAKE To bleed air from the front brake circuit, proceed as follows: 1 from the valve 2. a container. and keep the lever pressed. operation until obtaining a continuous outflow of oil within no air bubbles. NOTE: During this procedure, continuously top up the brake pump thank to replace the oil that is out flowing.
  • Page 47: Front Brake Lining Control

    FRONT BRAKE LINING CONTROL 2 mm In order to verify the wear condition of front brake is enough to view the caliper from the bottom, where is possible to glimpse the brake lining tails which will have to show a brake of 2 mm in thickness. If the stratum is lesser let’s start replacing them.
  • Page 48: Rear Brake

    REAR BRAKE CHECK THE LEVEL OF THE REAR BRAKE FLUID Check the level of the brake fluid through sight A. The level of the fluid should never fall below the mark in the sight. RESTORING THE LEVEL OF THE REAR BRAKE FLUID To restore the level of the brake fluid, loosen the two screws 1, lift cap 2 and add brake fluid until its level is 5 mm below the upper...
  • Page 49: Bleeding The Rear Brake

    BLEEDING THE REAR BRAKE To bleed air from the rear brake circuit, proceed as follows: 1 from the valve a container. and keep the lever pressed. If are still visible in the tube repeat above operation until obtaining a continuous outflow of oil within no air bubbles.
  • Page 50: Rear Brake Lining Control

    REAR BRAKE LINING CONTROL 2 mm In order to verify the wear condition of rear brake is enough to view the caliper from the back side, where is possible to glimpse the brake lining tails which will have to show a brake of 2 mm in thickness.
  • Page 51: Clutch Control

    CLUTCH CONTROL CHECK OIL LEVEL To check the oil level in the clutch pump, first remove cover 1. Remove the two screws 2 and take off cover 1 together with the rubber bellows. With the clutch pump in a horizontal posi- tion, the level of the oil should be 5 mm below the upper rim.
  • Page 52: Bleeding Clutch Control

    BLEEDING CLUTCH CONTROL 1 from the valve 2. into the valve 2, and the other end inside a container. keep the lever pressed. operation until obtaining a continuous outflow of oil within no air bubbles. NOTE: During this procedure, continuosly top up the brake pump thank to replace the oil that is out flowing.
  • Page 53: Check Of Steering Gear

    CHECK OF STEERING GEAR Periodically check the play in the steering sleeve by moving the fork back and forth as shown in the figure. Whenever you feel play, adjust as described below: Loosen the screws 1. 10Nm Loosen the screw 2. Take up the play by means of nut 3.
  • Page 54: Oil Fork

    OIL FORK The procedure for changing the oil in the forks is provided only for information. We recommend having the operation performed by a BETAMOTOR authorized workshop. REMOVING LEGS To replace, proceed as follows: Position the vehicle on the central bike stand.
  • Page 55: Oil Replacement Left Leg

    Empty the fork leg and the cartridge, drain- ing all the oil inside. Reassemble the cartridge on the fork leg tightening the fixing screw, then refill oil in the cartridge. Pour in the quantity of liquid indicated on page 10. Use the liquid indicated on page 14 in the “Recommended lubricants and liquids”...
  • Page 56: Legs Assembly And Parts

    LEGS ASSEMBLY AND PARTS Apply the legs to the vehicle and tighten the screws 1 to the torque indicated. ATTENTION: Tightening of the screws should be carried out by adjusting the torque wrench to the stability torque with 10Nm repeated tightening until stability torque has been achieved.
  • Page 57: Tyres

    LINKAGE REAR SUSPENSION 45Nm To guarantee an optimal operation and the longest lifetime of the progressive linkage of the rear suspension, it is recommended to check after every race/run the correct tightening of the bolt. Verify that the result of the suspension bolts to specified torque.
  • Page 58: Chain

    CHAIN Checking the drive chain periodically to ensure longer chain life. Always keep it lubricated and clean of deposited dirt. Take special care in preventing the lubri- cant from coming into contact with the rear tyre or brake disc, otherwise the tyre grip and the action of the brake would be greatly reduced, making it very difficult to control the vehicle.
  • Page 59 Loosen counter-nut 2 (one per side) and adjust register 3 until the desired tension is obtained. Measure distance X between number plate holder support 4 and anvil 5. Measure distance X between number plate holder support 4 and anvil 5. Ensure the distance between chain and swingarm is that recommended.
  • Page 60: Headlight

    HEADLIGHT Keep the headlight glass clean at all times (page 61). REPLACING THE HEADLIGHT BULBS Dismantle the headlight mask removing the two retaining screws 1 indicated in the figure. To replace the high/low beam bulb, pro- ceed as follows: lift rubber cap 2. Turn bulb holder 3 anticlockwise and remove the bulb holder from the headlight body.
  • Page 61: Rear Tail Light

    To replace the daylight bulb, proceed as follows. Pull the whole bulb holder 4. Take the bulb and remove it from the bulb holder. Replace the bulb. To reassemble the bulb and bulb holder, proceed in reverse order with respect to disassembly.
  • Page 62: Cleaning The Vehicle

    CLEANING THE VEHICLE GENERAL PRECAUTIONS WARNING: Do not clean your vehicle with a high-pressure device with a strong jet of water. Excessive pressure can reach electrical components, con- nectors, flexible cables, bearings, etc and can damage or destroy them. WARNING: Wash motorbikes frequently with cold water that are used near the sea (salty air) and on roads subject to salt spreading in winter.
  • Page 63: Prolonged Inactivity

    To prevent malfunction of the electrical system, treat electric contacts and switches with electrical contact spray. ATTENTION: any oxidation of electrical contacts may result in serious malfunc- tioning. PROLONGED INACTIVITY A few simple operations should be performed to keep the vehicle in good condition whenever it is to remain inactive for a long period (e.g.
  • Page 64: Scheduled Maintenance Vehicle

    SCHEDULED MAINTENANCE VEHICLE Engine Spark plug Clutch Cylinder Piston sealing rings Piston Water pump shaft Water pump fan Oil seal water pump shaft Coolant Gear oil Oil net filters Paper filter Connecting rod Crankshaft bearings Gear Vehicle Rear shock absorber Linkage rear suspension Fork oil Steering bearings and steering clearance...
  • Page 65: Tightening Torque Overview

    TIGHTENING TORQUE OVERVIEW Here below is an overview of the tightening torque of all pieces subject to adjust- ment or maintenance: Forecarriage Tightening torque [Nm] Threadlock Wheel pin Fork foots - wheel pin Brake caliper - Fork Steering head base - fork legs Steering head - fork legs Stem pin on steering head Upper handlebar u-bolt...
  • Page 66 Headlamps Tightening torque [Nm] Threadlock Headlight mask Medium strength threadlock WARNING: Tightening of the screws should be carried out by adjusting the torque wrench to the stability torque with repeated tightening until stability torque has been achieved.
  • Page 68 CHAPTER 5 REMOVING AND INSTALLING SUPERSTRUCTURES CONTENTS Removing and installing saddle-mudguard assembly ......... 68...
  • Page 69 REMOVING AND 2,5Nm INSTALLING SADDLE- 2,5Nm MUDGUARD ASSEMBLY Remove screws 1 and 2 (two per side). Remove the mudguard. At the end refit the screws 1 and 2. Tighten to the torque indicated.
  • Page 70 CHAPTER 6 TROUBLESHOOTING CONTENTS Troubleshooting ................... 70 Alphabetical index ................71...
  • Page 71 TROUBLESHOOTING PROBLEM CAUSE REMEDY The engine turns over but Fuel cock in C position Turn the fuel cock in A position will not start Dirty carburettor jets Contact authorised BETAMOTOR customer service Spark plug dirty Clean or replace the spark plug Spark gap wrongly adjusted Restore the spark gap (page 41)
  • Page 72 ALPHABETICAL INDEX Accelerator ..................29 Adjusting fork ..................30 Adjustment of gas clearance ..............29 Air filter ....................39 Breaking in..................24 Carburetor ..................42 Chain ....................57 Check of steering gear................52 Checks before and after use ..............24 Cleaning the vehicle ................
  • Page 73 Prolonged inactivity ................62 Rear brake ..................47 Rear tail light ..................60 Recommended lubricants and liquids ............14 Removing and installing saddle-mudguard assembly ......... 68 Riding safety ..................6 Scheduled maintenance vehicle ............63 Shock absorber..................30 Spark plug ..................41 Specifications ..................

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