Beta RR 350 Page 51 Owner'S Manual Download | Manualshive

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3

CHECKS AND MAINTENANCE

51

GB

CARBURETTOR

CARBURETTOR WEAR GUIDELINES

The throttle valve, the needle valve and the needle jet are subject to heavy wear

due to engine vibrations.

This can result in carburettor malfunctions (e.g. mixture enrichment).

5

4

DRAINING THE CARBURETTOR
FLOAT CHAMBER

The carburettor float chamber can be
drained by following the procedure de-
scribed below while the engine is cold.
Close the fuel cock and place tube

4

in a

container to gather the fuel that fl ows out.
Open drain screw

5

and drain the fuel.

Close the drain screw, open the fuel cock
and check the seal of the system.

WARNING
Fuel is fl ammable and toxic and must be handled with great care. Never work on
the fuel system near heat sources or open fl ames. Always allow the engine to cool
down before working on the fuel system. Wipe off any excess fuel with a rag. Materi-
als soaked in fuel are also fl ammable. In case of ingestion or contact with sensitive
parts of the body immediately seek medical attention. Fuel is to be disposed of as
prescribed by law.

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Summary of Contents for RR 350

Page 1: ... information you need to properly operate and maintain your motorcycle The data and specifications provided 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 moment and without notice ...

Page 2: ... 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 For any servicing requirements please get in contact with Beta motor s authorized service network ...

Page 3: ...al system 24 Recommended lubricants and liquid 28 CHAPTER 2 OPERATION 29 Checks to be performed before each ride 30 Running in 31 Engine start 32 Refuelling 33 Fuel tank cap 33 Fuel tap 33 CHAPTER 3 CHECKS AND MAINTENANCE 35 Oil circuit 36 Changing the gear and clutch oil 39 Brakes 40 Tyres 43 Hydraulic clutch 44 Fork oil 45 Air Filter 48 Spark plug 49 Carburettor 51 Coolant 52 Chain 53 Battery 54...

Page 4: ...position of the clutch lever 60 Adjusting the handlebars 60 Gas control adjustment 61 Checking and adjusting the steering play 61 Adjusting fork 62 Shock absorber 63 Tensioning the chain 64 Adjusting the idle speed 65 CHAPTER 5 REPLACEMENTS 67 Replacing the brake pads 68 Replacing the headlight bulbs 70 Tail light 70 CHAPTER 6 TROUBLESHOOTING 71 Troubleshooting 72 ...

Page 5: ...thers always drive carefully and with your helmet on WARNING Any modifications and tampering with the vehicle during the warranty period exempt the manufacturer from all responsibility and invalidate warranty ECOLOGIC GUIDE Every vehicle powered by an internal combustion engine produces an amount of noise noise pollution and gases air pollution which varies with the riding style The abatement of n...

Page 6: ...ic while riding 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 sit on the vehicle when it is on its stand Do not start off while the vehicle is on its stand Do not pull out the stand when the vehicle is facing downhill Avoid swaying and wheelies as they are extremely dangerous for your own and other p...

Page 7: ...e lever 12 Gearchange lever 12 Brake pedal 12 Starter button 13 LH switch 13 Indicator switch 13 Kickstart 13 Side stand 13 Digital rpm indicator operating instructions 14 Specifications 20 Weight 20 Dimensions 20 Tyres 20 Capacities 20 Front suspension 21 Rear suspension 21 Front brake 21 Rear brake 21 Engine 22 Electrical system 24 Electrical diagram RR 4T 24 Legend electrical diagram 25 Battery...

Page 8: ...e right side of the steering head tube ENGINE IDENTIFICATION Engine identification data B are stamped in the area shown in the figure WARNING Tampering with the identification numbers is severely punished by law TOOLS KIT The following items are supplied as stand ard operation and maintenance manual tool kit see photo B A ...

Page 9: ...ith these is possible to unscrew the screw 4 Pull the left cover of rear fender and unhook two rubber band 5 Now the toolkit 6 is accessible To take the tool kit push the button 1 to get off the saddle Pull back the saddle Pull the rear side panel 2 to disassemble it 4 1 2 3 6 5 5 ...

Page 10: ...e keys in the vehicle Keep the keys in a safe and easy to reach place The code number stamped on the keys should be copied on this manual or elsewhere so it can be used to ask for duplicates should both keys be lost To engage the steering lock fully turn the handlebars to the left insert the key press and turn it fully anticlockwise and then release it ...

Page 11: ...absorber 5 Headlight 6 Rear light 7 Side stand 8 Fork 9 Rider s footrests 10 Lower bumper Bumper kit 11 Saddle 12 Engine 13 Front mudguard 14 Number plate holder 15 Kick start 16 Front side panel 17 Rear side panel 18 Fork covers 19 Rear mudguard 20 Cover air filter 5 8 2 1 11 19 14 12 9 4 6 3 17 15 10 13 16 18 20 7 9 ...

Page 12: ...of the handlebars Screw B can be used to adjust the home position of the lever see Adjustments GEARCHANGE LEVER Gearchange lever 3 is fitted to the left side of the engine The positions corresponding to the different gears are shown in the figure The neutral position is between the 1st and 2nd gears BRAKE PEDAL Brake pedal 4 is located in front of the right hand footrest The position of the pedal ...

Page 13: ...to turn the indicators off KICKSTART Kickstart 6 is fitted to the right hand side of the engine The upper part of the kickstart can be oriented SIDE STAND Press down side stand 7 with the foot and lean the vehicle against it Ensure that the ground is solid and the vehicle stands steadily If the vehicle is used off road the closed stand can be further fastened by means of rubber band 8 STARTER BUTT...

Page 14: ...itch off To switch it back on press any button or turn the wheel Using only the internal battery Backlighting will stay on for 4 seconds before switching off With the LO symbol the backlighting will not switch on The symbol appears when the battery voltage is lower than 2 45V Reset Button Using the Reset button located on the back of the instrument all travel data will be deleted including date an...

Page 15: ...ed for a few seconds in flash mode If you wish to change the parameter displayed for those few seconds simply edit the values by pressing the right and or left buttons according to the modes listed below otherwise wait a few seconds approx 5 s to proceed to the next parameter When the parameter has been edited to the desired value the instrument au tomatically moves onto the next setting there is ...

Page 16: ... is the 12 hour clock TO SELECT THE 12 OR 24 HOUR CLOCK PRESS THE RIGHT OR LEFT BUTTON WAIT 5 SECONDS TO PROCEED TO THE NEXT SETTING DO NOT PRESS ANY BUTTONS Setting the Time The time is set by increasing or decreasing it by 1 minute steps PRESS THE LEFT BUTTON TO DECREASE THE TIME PRESS THE RIGHT BUTTON TO INCREASE IT WAIT 5 SECONDS TO PROCEED TO THE NEXT SETTING DO NOT PRESS ANY BUTTONS Selectin...

Page 17: ... Accumulated running time ART Odometer ODO Note The maximum and average speeds are updated automatically when the user accesses screen 3 FEATURES General information During normal use the instrument is in Normal mode Available modes Sleep Mode Choose from 3 Normal screens Clear Distance 1 DST1 Clear Distance 2 DST2 Clear Maximum Average Speed MAX AVG Sleep Mode If the instrument does not receive a...

Page 18: ...speeds are displayed on screen 3 to the left of the display The instrument automatically updates both the maximum MAX and average AVG speeds To clear the maximum MAX and average AVG speeds hold the right button down for 5 seconds Note you must be on screen 3 to clear the speeds ADJUSTING THE TRAVELLED DISTANCE METER Description The travelled distance meter displays the distance that has been trave...

Page 19: ...ed distance hold the right button down for 5 seconds Note you must be on screen 1 to clear the travelled distance Travelled distance 2 DST 2 Travelled distance 2 can range from 0 to 9999 9 miles or kilometers and appears on the right side of screen 2 To clear the travelled distance hold the right button down for 5 seconds Note you must be on screen 2 to clear the travelled distance ...

Page 20: ... height 413 mm FRAME molybdenum steel with double cradle split above exhaust port TYRES front rim 21x1 6 36 holes rear rim 18x2 15 36 holes CAPACITIES fuel tank 8 liter fuel type petrol unleaded with a minimum octane number of 95 R O N including reserve 1 3 liter coolant circuit 1 3 liter motor oil 0 85 litri 15W 50 gear oil 1 liter 10W 40 about details see page 39 Dimensions Pressure Bar Front ty...

Page 21: ...ty from the top without spring and with fork compressed 110 mm REAR SUSPENSION Single shock absorber with compound lever spring K 5 4 precharge spring in its seat 260 mm shock absorber travel 135 mm rear wheel travel 290 mm FRONT BRAKE Ø 260 mm disc and dual piston floating caliper REAR BRAKE Ø240 mm disc and single piston floating caliper ...

Page 22: ...350 RR 400 RR 450 RR 498 Version Homolog Race Homolog Race Homolog Race Homolog Race Carburator type Keihin FCR MX 39 Keihin FCR MX 39 Keihin FCR MX 39 Keihin FCR MX 39 Main jet 168 170 175 175 162 175 175 180 Idling jet 42 40 45 45 45 45 45 45 Starter jet 85 85 85 85 85 85 85 85 Needle OBDVS NCVQ OBDVS OBDTS OBEKT OBDVS OBDVS OBDVS Needle position from above 2 3 1 5 2 4 1 4 Main air jet 200 200 2...

Page 23: ...okusan type Starting electric starter and kickstart Version RR 350 RR 400 RR 450 RR 498 Primary drive 28 76 28 76 31 73 31 73 Gear ratio 1st gear 12 31 12 31 12 31 12 31 Gear ratio 2nd gear 15 28 15 28 15 28 15 28 Gear ratio 3rd gear 19 28 19 28 19 28 19 28 Gear ratio 4th gear 20 24 20 24 20 24 20 24 Gear ratio 5th gear 27 27 27 27 27 27 27 27 Gear ratio 6th gear 28 24 28 24 28 24 28 24 Final driv...

Page 24: ...1 GENERAL INFORMATION 24 GB ELECTRICAL SYSTEM ELECTRICAL DIAGRAM RR 4T 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 ...

Page 25: ...CATOR 12V 10W BULB 18 REGULATOR 12V 19 ELECTRIC FAN KIT OPTION 20 UNIT TURN SIGNAL LAMPS 21 LEFT HAND REAR TURN INDICATOR 12V 10W BULB 22 TAIL LIGHT WITH LED 23 RIGHT HAND REAR TURN INDICATOR 12V 10W BULB 24 NUMBER PLATE LIGHT 25 BATTERY POSITIVE TERMINAL 26 BATTERY 12V 4Ah 27 GENERATOR 28 10A FUSE 29 FRAME EARTH WIRE 30 STARTER MOTOR 31 STARTER RELAY 32 BATTERY NEGATIVE TERMINAL 33 TPS THROTTLE P...

Page 26: ...Extreme caution should be exercised if the electrolyte sulphuric acid should spill out of the battery The electrolyte can cause severe burns In case of contact with the skin rinse generously with water Should the electrolyte come into contact with the eyes rinse with water for at least 15 minutes and immediately seek medical assistance Although the battery is sealed there is a possibility that exp...

Page 27: ...rument panel The starting relay also contains spare fuse 5 10 amperes Always replace a blown fuse with another of the same type If the new fuse should also burn out when fitted immediately contact a specialized BETAMOTOR workshop The fuse has a capacity of 10 amperes WARNING Do not on any account fit a larger capacity fuse or attempt to fix a broken fuse Unskilled operations could cause a break do...

Page 28: ...TYPE SPECIFICATIONS ENGINE OIL PANOLIN OFF ROAD 4T RACE 10W 50 GEAR AND CLUTCH OIL PANOLIN OFF ROAD 4T SYNTH 10W 40 BRAKE OIL DOT 4 CLUTCH ACTUATOR OIL DOT4 DOT 5 1 FORK OIL SHELL TELLUS 32 TIE ROD GREASE PANOLIN SPECIAL GREASE NLGI 2 LIQUID COOLANT PANOLIN ANTI FROST MT 325 Note It is essential that all renewals should be performed with the products listed in the table above ...

Page 29: ...B CHAPTER 2 OPERATION CONTENTS Checks to be performed before each ride 30 Running in 31 Engine start 32 Cold starting 32 Hot starting 32 What to do if the engine is flooded 32 Refuelling 33 Fuel tank cap 33 Fuel tap 33 ...

Page 30: ...be as prescribed by law Check the tyre pressure Wear and unsuitable pressure adversely affect road holding 5 BRAKES Check the operation of the brakes and the level of the brake fluid If the brake fluid level falls below the minimum check the brake pads for wear and the brak ing system for possible leaks If an oil leak is found have the braking system overhauled by a specialized BETAMOTOR workshop ...

Page 31: ... 75 percent of its power 3 Use the vehicle after properly warming up the engine 4 Avoid travelling at constant speed changing the speed causes the different com ponents to bed in evenly and more quickly This procedure should be followed each time piston piston rings cylinder crankshaft or crankshaft bearings are replaced WARNING After the first 3 hours or 20 litres of petrol change the engine and ...

Page 32: ... 2 Take the vehicle off the stand 3 Shift into neutral 4 WITHOUT opening the throttle firmly and FULLY operate kickstart 3 or use the electric starter WHAT TO DO IF THE ENGINE IS FLOODED After a fall the engine may receive more fuel than is needed Actuate the kickstart 3 5 10 times or press the electric starter button twice for 5 seconds Subsequently start the engine as described previously WARNIN...

Page 33: ...f heat It is therefore recommended not to fill the tank to the brim FUEL TAP OFF Fuel cock 3 is closed ON Before using the vehicle turn the knob to ON This allows the fuel to flow to the carburettor When the fuel cock is in the ON position the fuel tank empties until only the reserve fuel is left RES The reserve fuel is used only if the knob is in the RES position Do not forget to bring the knob b...

Page 34: ...34 GB ...

Page 35: ...ng the level of the rear brake fluid 41 Bleeding the rear brake 41 Front brake lining control 42 Rear brake lining control 42 Tyres 43 Hydraulic clutch 44 Check oil level 44 Bleeding the hydraulic clutch 44 Fork oil 45 Air Filter 48 Spark plug 49 Carburettor 51 Carburettor wear guidelines 51 Draining the carburettor float chamber 51 Checking the float level float height 52 Coolant 52 Chain 53 Driv...

Page 36: ...anism room B Pump 1 sucks the oil from room B across the wire netting filer 11 and the pump push the oil to room A The valve 10 controls the pressure between room A and room B CHECKING THE ENGINE OIL LEVEL The engine oil level can be checked when the engine is cold or hot Place the vehicle in an upright position not on the side stand on level ground When the engine is cold the oil should reach the...

Page 37: ...ilter After the oil has drained com pletely clean the sealing surface replace screw C with the seal ring and wire netting filter and tighten at 20 Nm In order to let the oil drain it s necessary to unscrew just the screw C Don t disassemble for any reason screw D which is part of the engine oil pressure adjustment valve In case the screw D was removed or the spring 42 ball 43 washer 41 were ex tra...

Page 38: ... to engine tighten the screws at 6 Nm Remove screw fastener from left carter and pour in 800 ml engine oil PANOLIN OFF ROAD 4T RACE 10W 50 Start the engine and let it idle for five minutes checking for oil leaks Stop the engine and after five minutes check the level oil through window ATTENTION Used oil contains hazardous to the en vironment For the replacement must be prepared for disposal in com...

Page 39: ... at 20 Nm Remove screw fastner from right carter and pour in gear oil PANOLIN OFF ROAD 4T SYNTH 10W 40 To check the oil level unscrew the check bolt D The oil level must arrive to the lower edge of check hole Under conditions with high engine tem peratures and intense clutch use deep sand and mud it is recommended to use an increased clutch gearbox oil quantity of 1000 ml ATTENTION To check the ge...

Page 40: ...ith a base of silicone oil which requires special seals and tubes WARNING The brake fluid is extremely corrosive Take care not to spill it on the paintwork BLEEDING THE FRONT BRAKE To bleed air from the front brake circuit proceed as follows Remove the rubber cap B from the valve C Open the sump cap Insert one end of a transparent tube into a container Pump with the brake lever 2 3 times and keep ...

Page 41: ...one oil which requires special seals and tubes WARNING The brake fluid is extremely corrosive Take care not to spill it on the paintwork BLEEDING THE REAR BRAKE To bleed air from the rear brake circuit proceed as follows Remove the rubber cap E from the valve F 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 Uns...

Page 42: ...place the brake pads can result in a considerable reduction of the braking action and in damage to the brake disc REAR BRAKE LINING CONTROL In order to verify the wear condition of rear brake is enough to view the pincer 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 If the stratum is lesser let s start replacing them Not...

Page 43: ...e place 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 pre scribed range ...

Page 44: ... in the Recommended lubricants and liquids table BLEEDING THE HYDRAULIC CLUTCH To bleed air from the rear clutch pump proceed as follows Open the sump cap Insert one end of a transparent tube into a container Pump with the clutch 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 ou...

Page 45: ... on a central stand lift it making sure that it is stable Remove the cable gland U bolt A Remove the screws B that fix the brake caliper to the left leg and remove the brake caliper Remove cap C loosen the screws D slide the wheel pin out and remove the front wheel Loosen the screws E and F that block the legs of the of the fork to the plate and slide the fork legs out Place the legs vertically wi...

Page 46: ...t and drain the remaining oil When the oil has been drained completely introduce the amount of new oil described in chapter 1 Bleed the pumping unit of air making it rise and fall until complete loading Introduce the spring and screw the cap 1 until it is completely inserted on the pump ing rod Block the cap to the pumping rod via the counter nut 2 1 2 3 1 2 ...

Page 47: ...rews E at 17Nm and F at 12Nm after the screws have been greased Apply the wheel complete with spacers pin and cap C which will be tightened to 50Nm Tighten the screws D to 10Nm Apply the brake caliper and apply thread lock of average intensity onto screws B Tighten to 35Nm Apply the cable gland U bolt and tighten the screws A to 1 5 Nm E F 17Nm 12Nm C A B D 1 5Nm 10Nm 50Nm 35Nm ...

Page 48: ...ater Dry the filter Wet the filter with filter oil and then remove the excess oil to prevent it from dripping WARNING To avoid corroding the filter do not clean it in foam containing petrol or petroleum Never use the vehicle if the air filter is not in place The infiltration of dust and dirt can cause damage and considerable wear If necessary clean the inside of the filter box Replace the filter t...

Page 49: ...he engine is hot and naturally off because the carbon formation and the colour of the insulator provide important information on carburetion lubrication and the general condition of the engine Note Black spark plug mixture is rich Light brown spark plug mixture is correct White spark plug mixture is lean This operation must be performed with the utmost care to avoid severe hand burns Always wear p...

Page 50: ... that the insulator is not cracked and that the electrodes are not corroded in which case the spark plug should be immediately replaced Conduct the check by referring to the table on page 56 Lubricate the spark plug thread and then when the engine is cold screw in the spark plug by hand to its abutting end Finally tighten the spark plug with the spanner Note Always use NGK LKAR 8A 9 spark plugs ...

Page 51: ... cock and place tube 4 in a container to gather the fuel that flows out Open drain screw 5 and drain the fuel Close the drain screw open the fuel cock and check the seal of the system WARNING Fuel is flammable and toxic and must be handled with great care Never work on the fuel system near heat sources or open flames Always allow the engine to cool down before working on the fuel system Wipe off a...

Page 52: ...f the needle valve is in working order adjust the float height by bending float lever 3 Fit the float chamber install the carburettor and adjust the idle speed 3 COOLANT The level of the coolant must be checked when the engine is cold Use the following procedure Unscrew cap A and visually check the level of the liquid When the engine is cold the radiator fins should be immersed in the liquid for a...

Page 53: ... 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 DRIVE CHAIN WEAR To check the wear of the drive chain use the procedure described below Shift into neutral pull up the upper stretch of the chain with a force of 10 15 kg see figure Measure the length of 18 links on the lower stretch of the chain If the length...

Page 54: ...ant voltage 14 4 15 V Charge the battery for about 12 hours Check the voltage 10 12 hours after the end of recharge as described above Constant current Charge battery at 0 5 0 8 A until the voltage between the terminals stabilizes at 14 5 V WARNING The battery is sealed When recharging it do not remove the seal nor add any liquid WARNING When recharging first connect the battery to the battery cha...

Page 55: ...ove them with a soft bodywork sponge soaked in water and shampoo Subsequently rinse well with water and dry with air and cloth or suede leather Proceed to the emptying of the filter box using the appropriate ventilation and drying Detergents pollute water Always wash the vehicle in areas equipped for collection and purification of the washing liquids After cleaning ride a short distance until the ...

Page 56: ... C Surface appearance of the cams C C Valve clearance C C C C C C C Valves 400 450 498 C C Valves 350 C C C S Valve guide wear C C Valve spring C S Clutch disc wear C C S C C S Clutch springs C C S C C S Clutch hub basket wear C C C C C C Gearbox bearing crankcase side S S Surface appearance of the gearbox C C Water pump seals S S Oil pump control gears C C C C Key C Check Clean adjust lubricate r...

Page 57: ...rives sliding and regulation C C C C C C C Liquid level clutch pump C C C C C C C Airbox and air filter P P P P P P P Chain plate wheel and pinion C C C C C C C Brake Liquid level pads thickness C C C C C C C Disc thickness C C C C C C C Pipe tightness C C C C C C C Idle travel levers and drives sliding C C C C C C C Cycling Shock absorber and telescopic fork tightness C C C C C C C Dust seal P P ...

Page 58: ... unpainted parts excepting the brakes and the rubber parts with a film of oil or spray silicone Remove the battery and keep it in a dry place Charge the battery every 15 days AFTER PROLONGED INACTIVITY Reinstall the battery Restore the tyre inflating pressures Check the tightening of all the screws having an important mechanical function Note Periodically check the tightening of the screws Start t...

Page 59: ...ever 60 Adjusting the handlebars 60 Gas control adjustment 61 Checking and adjusting the steering play 61 Adjusting fork 62 Adjusting the rebound damper 62 Adjusting the compression damper 62 Shock absorber 63 Adjusting the hydraulic compression damper high and low speeds 63 Adjusting the spring preload 63 Adjusting the hydraulic rebound damper 64 Tensioning the chain 64 Adjusting the idle speed 6...

Page 60: ... in order to meet the driver s specific driving needs ADJUSTING THE HOME POSITION OF THE FRONT BRAKE LEVER The home position of brake lever 2 can be adjusted by means of screw 1 ADJUSTING THE HOME POSITION OF THE BRAKE PEDAL The home position of brake pedal 3 can be altered by turning adjusting screw 5 af ter loosening the counternut located under dust cap 4 Loosen the counternut and turn the adju...

Page 61: ...hrottle twist grip turns smoothly CHECKING AND ADJUSTING THE STEERING PLAY Periodically check the play of the steering head tube by moving the forks backwards and forwards as shown in the figure If any play is felt carry out the adjustment by following these steps Loosen the four screws 13 and screw 14 Recover the play by intervening on screw 15 Tighten the screws 13 to 17Nm Tighten the screw 14 t...

Page 62: ...e action of the rebound damper Standard adjustment RR 4t 12 clicks from the completely closed position ADJUSTING THE COMPRESSION DAMPER The hydraulic compression damper deter mines the behaviour of the telescopic fork during compression and can be adjusted by means of screw B located at the lower end of the fork legs Turning the screw clockwise increases the action of the com pression damper turni...

Page 63: ...adjustment Turn knob D anticlockwise to decrease the hydraulic compression damper Standard adjustment RR 4t 22 clicks from fully closed WARNING Starting from the standard position turn the knob anticlockwise with a closing ac tion the center screw will have an integral movement then will rotate with the knob SHOCK ABSORBER ADJUSTING THE HYDRAULIC COMPRESSION DAMPER HIGH AND LOW SPEEDS The shock ab...

Page 64: ...wheel spindle nut 1 Loosen counternuts A on either side of the fork Turn adjusting screws B on either side until the desired chain tension is obtained Tighten counternuts A on either side of the fork Tighten nut 1 30 35 mm ADJUSTING THE HYDRAULIC REBOUND DAMPER Turn screw G to adjust the hydraulic re bound damper Turning the screw anticlockwise out de creases the damping effect Standard adjustment...

Page 65: ...w these steps Turn in mixture adjusting screw 2 until it stops then turn it until you obtain the basic adjustment recommended by BETAMOTOR see engine specifications on page 23 Warm up the engine Turn adjusting knob 1 to obtain the standard idle speed 1500 1600 rpm Slowly turn mixture adjusting screw 2 clockwise until the idle speed begins to lower Remember this position then slowly turn the mixtur...

Page 66: ...bserved a smaller idling jet is required b If the engine stalls when the adjusting screw is still two turns open a larger idling jet is needed Naturally after replacing the jet the adjusting procedure will have to be restarted from the beginning Turn the adjusting knob until you obtain the desired idle speed The idle speed will have to be adjusted again in case of marked changes in the outside tem...

Page 67: ...5 REPLACEMENTS 67 GB CHAPTER 5 REPLACEMENTS CONTENTS Replacing the brake pads 68 Front 68 Rear 69 Replacing the headlight bulbs 70 Tail light 70 ...

Page 68: ... pads as shown in the figure Remove the brake pads taking care not to drop the leaf spring located under the pads To reassemble follow the reverse proce dure When fitting the pads ensure that the leaf spring is properly in place WARNING The brake disc must always be kept free from oil and grease An oily or greasy disc strongly reduces the braking action After work has been carried out on the braki...

Page 69: ...cated above the two pads To reassemble follow the reverse proce dure When fitting the pads ensure that the leaf spring is properly in place WARNING The brake disc must always be kept free from oil and grease An oily or greasy disc strongly reduces the braking action After work has been carried out on the braking system pull the brake lever to bring the pads into contact with the disc This will all...

Page 70: ...er and replace the light bulb with a new one Be careful not to touch the bulb so as not to compromise its efficiency To refit follow the procedure above but in reverse order Fasten the lamp holder front cowl to the supporting pins and fix it with the two elastics 1 2 3 TAIL LIGHT Keep the headlight glass clean at all times see page 55 The LED tail light is sealed In the case of burnout of one or m...

Page 71: ...6 TROUBLESHOOTING 71 GB CHAPTER 6 TROUBLESHOOTING CONTENTS Troubleshooting 72 Alphabetical index 73 ...

Page 72: ...g dirty Restore the spark gap Clean or replace the spark plug Engine knocks Spark advance excessive Carbon formation in cylinder or on spark plug Check CDI contact a BETAMOTOR dealer Engine overheats and loses power Silencer partly clogged Exhaust port clogged Ignition delayed Contact a BETAMOTOR dealer Contact a BETAMOTOR dealer Check CDI contact a BETAMOTOR dealer Front braking poor Brake pads w...

Page 73: ...y 54 Brakes 40 Carburettor 51 Chain 53 Changing the gear and clutch oil 39 Checking and adjusting the steering play 61 Checks to be performed before each ride 30 Cleaning the vehicle 55 Coolant 52 Digital rpm indicator operating instructions 14 Ecologic guide 5 Electrical system 24 Engine start 32 Familiarizing with the vehicle 11 Fork oil 45 Fuel tank cap 33 Fuel tap 33 Gas control adjustment 61 ...

Page 74: ...ke pads 68 Replacing the headlight bulbs 70 Riding safety 6 Running in 31 Scheduled maintenance vehicle 56 Shock absorber 63 Spark plug 49 Specifications 20 Steering lock 10 Tail light 70 Tensioning the chain 64 Tools kit 8 Troubleshooting 72 Tyres 43 Vehicle identification data 8 ...

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