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EVO 4T
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.
Cod. 008440090 000
GB
1
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Chapters
Table of Contents
Troubleshooting
Related Manuals for Beta EVO 4T
Summary of Contents for Beta EVO 4T
- Page 1 EVO 4T 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 2 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 •...
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Page 3: 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 ................... 14 Recommended lubricants and liquids ............18 CHAPTER 2 OPERATION .............. - Page 4 Clutch control ..................48 Check of steering gear................50 Oil fork ....................51 Tyres....................55 Chain ....................55 Headlight .................... 57 Rear tail light ..................58 Cleaning the vehicle ................59 Prolonged inactivity ................60 Scheduled maintenance vehicle ............61 Tightening torque overview ..............
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Page 5: Operating Instructions
OPERATING INSTRUCTIONS • The vehicle must be accompanied by: number-plate, registration document, tax disc and insurance. • Any modifications of the engine or other parts are punishable by severe sanctions including the confiscation of the vehicle. • Do not sit on the vehicle when it is on its stand. •... -
Page 6: Riding Safety
RIDING SAFETY • Observe the Highway Code. • Always wear approved personal protective 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. •... -
Page 7: 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 8: 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. In order to read it correctly, it is necessary to remove the silencer and disconnect the regulator connector. -
Page 9: Familiarizing With The Vehicle
FAMILIARIZING WITH THE VEHICLE 11 10 MAIN PARTS 1 Fuel tank 11 Engine 2 Tank cap 12 Front mudguard 3 Silencer 13 Rear mudguard 4 Rear shock absorber 14 Kick-start 5 Headlight 15 Gear lever 6 Rear light 16 Rear brake lever 7 Side stand 17 Front brake lever 8 Fork... -
Page 10: Specifications
SPECIFICATIONS WEIGHT Dry weight ..................72 kg Front ..................36 kg Rear ................... 36 kg VEHICLE DIMENSIONS maximum length ................ 2005 mm maximum width ................850 mm wheelbase................1305 mm maximum height ............... 1115 mm ground clearance ................ 310 mm saddle height ................ -
Page 11: Front Suspension
FRONT SUSPENSION Version EVO 250 EVO 300 Wheel excursion [mm] Right fork leg Left fork leg Right fork leg Left fork leg K spring 7,65 7,65 [N/mm] Oil type Shell Tellus S2 V32 SAE 6,1 Oil level [mm] (edge rod with fork compressed) Register spring Full open... -
Page 12: Engine
ENGINE Version EVO 250 EVO 300 Type Single-cylinder, 4-stroke Single-cylinder, 4-stroke Bore x stroke 77 x 53,6 84 x 53,6 Displacement [cm 249,6 Pressure ratio 11,5:1 11,4:1 Fuel system carburetor carburetor CARBURETOR EVO 250 EVO 300 Version Homologated Competition* Homologated Competition* Carburetor type SE BSR33-79... -
Page 13: Gear Box
GEAR BOX Version EVO 250 EVO 300 Primary drive 18/63 18/63 Gear ratio 1st gear 13/36 13/36 Gear ratio 2nd gear 15/36 15/36 Gear ratio 3rd gear 16/30 16/30 Gear ratio 4th gear 24/27 24/27 Gear ratio 5th gear 28/21 28/21 Homologated Competition* Homologated Competition* Secondary drive... -
Page 14: Electrical System
ELECTRICAL SYSTEM ELECTRICAL DIAGRAM FOR HOMOLOGATED VERSION 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 15: Legend Electrical Diagram For Homologated Version
LEGEND ELECTRICAL DIAGRAM FOR HOMOLOGATED VERSION R.H. front turn signal with bulb 12V - 10W Headlamp (double filament bulb) 12V-35/35W Position light with bulb 12V - 5W High beam indicator light with bulb 12V 1,2W Dashboard indicator light with bulb 12V 1,2W Turn signal indicator light with bulb 12V 1,2W L.H. -
Page 16: Electrical Diagram For Race Version
ELECTRICAL DIAGRAM FOR RACE VERSION 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 17: Legend Electrical Diagram For Race Version
LEGEND ELECTRICAL DIAGRAM FOR RACE VERSION Headlamp with bulb 12V-20W Horn 12V Fuel cock Horn button Engine stop button Condenser 4700μF - 25V Light switch (black) Switch for change mapping (yellow) Tail light with bulb 12V - 3W 10) Generator 11) Pick-up 12) H.T. -
Page 18: Recommended Lubricants And Liquids
RECOMMENDED LUBRICANTS AND LIQUIDS For better operation and longer vehicle life, we advise you to use the products listed in the following chart: PRODUCT TYPE SPECIFICATIONS ENGINE OIL Liqui Moly racing Synth 10W50 BRAKE OIL Liqui Moly brake fluid DOT 4 CLUTCH ACTUATOR OIL Liqui Moly brake fluid DOT 4 FORK OIL... -
Page 19: Chapter 2 Operation
CHAPTER 2 OPERATION CONTENTS Main parts ..................20 Fuel cock ..................20 Starter .................... 20 Hot start ..................20 Clutch lever ..................21 LH switch ..................21 RH switch ..................21 Front brake lever and gas control ............22 Gearchange lever................22 Brake pedal .................. -
Page 20: Main Parts
MAIN PARTS FUEL COCK Fuel valve 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 21: Clutch Lever
CLUTCH LEVER Clutch lever 1 is fitted to the left-hand side of the handlebars. Screw A can be used to alter the home position of the lever (see Adjustments). LH SWITCH The off switch is positioned on the left-hand side of the handlebar and consists of the following: shutdowns engine: it is necessary to... -
Page 22: Front Brake Lever And Gas Control
FRONT BRAKE LEVER AND GAS CONTROL The front brake lever 1 and the gas throt- tle 2 are located on the right side of the handlebar. 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. - Page 23 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.
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Page 24: Checks Before And After Use
CHECKS BEFORE AND AFTER USE For safe driving and long vehicle life you should: 1 Check all fluid levels. 2 Check the correct operation of the brakes and brake pad wear (page 45). (page 10). 3 Check pressure, general condition and thickness of tread 4 Check that the spokes are properly tightened. -
Page 25: Fuelling
FUELLING Use unleaded gasoline. Fuel tank capacity is shown on page 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 26: Startup
STARTUP Set the fuel tank tap to A (see page 20). - Check that the gears are in neutral (page 22). - Pull the clutch lever (page 21). KICKSTART (page 22): depress the kick-starter with a sharp move- ment of the foot. ATTENTION Once the pedal has been de- pressed, release it immediately. -
Page 27: Chapter 3 Adjustments
CHAPTER 3 ADJUSTMENTS CONTENTS Key to symbols..................28 Brakes ....................28 Front brake ..................28 Rear Brake..................28 Clutch ....................29 Adjustment of gas clearance ..............29 Accelerator ..................30 Adjusting the idle speed ..............30 Handlebar adjustment ................30 Adjusting fork .................. -
Page 28: Key To Symbols
KEY TO SYMBOLS Tightening torque Threadlocker Medium Grease BRAKES FRONT BRAKE The front brake is disk type with hydraulic control. 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. -
Page 29: Clutch
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 than 0.9 mm 0,9 mm ATTENTION: reduced clearance... -
Page 30: Accelerator
ACCELERATOR ADJUSTING THE IDLE SPEED In order to perform this operation correctly, we advise you to do it when the engine is hot, connecting an electric revolution counter to the spark plug wire. Then use a screwdriver on register screw A to calibrate the minimum with 1.100÷1.200 rpm. -
Page 31: Shock Absorber
ADJUSTING THE SPRING PRELOAD Spring preload is adjusted by means of screw 2. Turning clockwise will increase the preload, while rotating counter- clock- wise decreases the preload. For standard calibration, refer to page SHOCK ABSORBER ADJUSTING THE REBOUND DAMPER The hydraulic brake unit in extension deter- mines the behaviour in the extension phase of the shock absorber and can be adjusted using screw 1. -
Page 32: Suspension Adjustment According To The Motorcyclist's Weight
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: 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 ....................36 Check the level ................36 Replacement ................... 37 Radiator grill ................... 39 Air filter ....................39 Removing and fitting air filter ............ -
Page 34: 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 35 - 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.
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Page 36: Coolant
- 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 11. -
Page 37: Replacement
WARNING: Never unscrew the filler cap of the radiator when the engine is hot. Danger of burning! WARNING: Wear appropriate protective clothing and protection gloves. Keep coolant out of reach of children. Avoid any direct contact of the coolant with skin, eyes or clothing. If this hap- pens: - with the eyes, rinse immediately with plenty of water and seek medical advice;... - Page 38 5) Unscrew drain screw 3 and fill until the liquid starts to overflow the screw. 10Nm 6) Tighten screw 3. 7) Place the vehicle as shown and pro- ceed to filling. 8) Reapply the loading cap 1. The amounts of liquid are shown on page Use the liquid indicated on a page 18 in the “Recommended lubricants and liquids”...
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Page 39: Air Filter
RADIATOR GRILL Should the grill be obstructed proceed as follows: Remove the grill by pulling it towards the front of the vehicle. Shake and wash the grill. Reapply the grill pushing it towards the radiator. AIR FILTER Check after every ride. REMOVING AND FITTING AIR FILTER To access the filter:... -
Page 40: Cleaning Air Filter
CLEANING AIR FILTER - Thoroughly wash the filter with water and soap. - Dry the filter. - Wet the filter with specific oil and then remove the excess oil to prevent it from dripping. - If necessary also clean the interior of the filter box. -
Page 41: Spark Plug
SPARK PLUG Keeping the spark plug in good condition will reduce fuel consumption and increase 0,5÷0,6 mm engine performance. To perform the check, simply slide off the electrical connection tube and unscrew the spark plug. Examine the distance between the electrodes with a feeler. This distance should be from 0.5÷0.6 mm. -
Page 42: 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 the “C” position (see page 20) Place tube 1 in a container to gather the fuel that flows out. -
Page 43: 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 44: Bleeding The Front Brake
BLEEDING THE FRONT BRAKE To bleed air from the front brake circuit, proceed as follows: •Remove the rubber cap 1 from the valve •Open the sump cap. •Insert one end of a transparent tube into a container. •Pump with the brake lever 2/3 times and keep the lever pressed. •Unscrew the valve and let the oil drain. •If are still visible in the tube repeat above operation until obtaining a continuous outflow of oil within no air bubbles. •Close the valve and release the lever. -
Page 45: Rear Brake
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 46: Bleeding The Rear Brake
WARNING: The brake fluid is extremely corrosive. Take care not to spill it on the paintwork. Wear appropriate protective clothing and protection gloves. Keep coolant out of reach of children. WARNING: Avoid any direct contact of the liquid with skin, eyes or clothing. If this happens: - with the eyes, rinse immediately with plenty of water and seek medical advice. -
Page 47: Rear Brake Lining Control
NOTE: During this procedure, continuously top up the brake pump thank to replace the oil that is out flowing. •Remove the tube. •Replace the rubber cap. Close the oil reservoir cap. WARNING: The brake fluid is extremely corrosive. Take care not to spill it on the paintwork. Wear appropriate protective clothing and protection gloves. -
Page 48: 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 49: Bleeding Clutch Control
BLEEDING CLUTCH CONTROL • Remove the rubber cap 1 from the valve 2. • Open the sump cap. • Insert one end of a transparent tube into a container. • Pump with the brake lever 2/3 times and keep the lever pressed. • Unscrew the valve and let the oil drain. • If are still visible in the tube repeat above operation until obtaining a continuous outflow of oil within no air bubbles. • Close the valve and release the lever. NOTE: During this procedure, continuously top up the brake pump thank to replace the oil that is out flowing. -
Page 50: 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 51: 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 52: Oil Replacement Left Leg
OIL REPLACEMENT RIGHT LEG Unscrew upper plug 2. Unscrew fixing lock nut and take off the plug. Unscrew the fixing screw of the cartridge positioned under the fork leg, and extract the cartridge. Empty the fork leg and the cartridge, drain- ing all the oil inside. -
Page 53: 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 10Nm stability torque with repeated tighten- ing until stability torque has been achieved. -
Page 54: Linkage Rear Suspension
NOTE: It is recommended not to wash with 2,5Nm water jets at high pressure in the zone of the linkage. Perform the check according to the times indicated in the table on page 61. To verify device, contact authorised Beta- motor customer service. -
Page 55: Tyres
TYRES Only fit tyres approved by BETAMOTOR. Unsuitable tyres can adversely affect the road holding of the vehicle. • To protect your safety, immediately replace any damaged tyres. • Slick tyres adversely affect the road holding of the vehicle, especially on wet roads and in off-road riding. • Insufficient pressure results in abnormal wear and overheating of the tyres. • The front and rear tyres must have the same tread design. • Always measure the inflating pressures when the tyres are cold. • Keep the tyre pressures within the prescribed range. CHAIN Checking the drive chain periodically to ensure longer chain life. Always keep it lubricated and clean of deposited dirt. -
Page 56: Check And Adjust Tightening Chain
CHECK AND ADJUST TIGHTENING CHAIN Position the vehicle on the central bike stand. If the distance between chain and swingarm is less than 20 mm proceed with adjustment. 20mm Loosen the pin 1. Rotate register 2 until the distance between chain and swingarm is that recommended. -
Page 57: Headlight
HEADLIGHT Keep the headlight glass clean at all times (page 59). REPLACING THE HEADLIGHT BULBS Dismantle the headlight mask removing the two retaining screws 1 indicated in the figure. Remove the screws 2 indicated in the figure. 0,5Nm Take out the bulb assembly from the bulb holder. -
Page 58: Rear Tail Light
REAR TAIL LIGHT 0,5Nm Keep the tail light glass clean at all times (see page 59). Remove the screws indicated in the figure. Remove the bulb holder from its place. Remove the bulb. To reassemble, proceed inversely as de- scribed above. -
Page 59: 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 60: Prolonged Inactivity
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. during the winter): • Thoroughly clean the vehicle. • Reduce the tyre pressures by approximately 30 percent, and if possible raise the tyres off the ground. -
Page 61: 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 62: 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 63 Headlamps Tightening torque [Nm] Threadlock Headlight mask Headlight bulb socket Tail light glass 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.
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Page 65: Chapter 5 Troubleshooting
CHAPTER 5 TROUBLESHOOTING CONTENTS Troubleshooting ................... 66 Alphabetical index ................67... -
Page 66: Troubleshooting
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 67 ALPHABETICAL INDEX Accelerator ..................30 Adjusting fork ..................30 Adjustment of gas clearance ..............29 Air filter ....................39 Brakes ....................28 Breaking in..................24 Carburetor ..................42 Chain ....................55 Check of steering gear................50 Checks before and after use ..............24 Cleaning the vehicle ................
- Page 68 Rear brake ..................45 Rear tail light ..................58 Recommended lubricants and liquids ............18 Riding safety ..................6 Scheduled maintenance vehicle ............61 Shock absorber..................31 Spark plug ..................41 Specifications ..................10 Startup ....................26 Suspension adjustment according to the motorcyclist’s weight ....32 Symbols ....................