Beta RR 250 Owner'S Manual Download Page 65

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ADJUSTMENTS

141

TENSIONING THE CHAIN

To ensure the drive chain a longer life, it is

advisable to periodically check its tension.

Always maintain the chain clean and lu-

bricated.

If the chain play exceeds 20 mm, tension

the chain by following these steps:

•

Loosen wheel spindle nut

•

Loosen counternuts

on either side of

the fork.

•

Turn adjusting screws

on either side until

the desired chain tension is obtained.

•

Tighten counternuts

on either side of

the fork.

•

Tighten nut

20 mm

Summary of Contents for RR 250

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: ...g 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 Betamotor s authorized service network ...

Page 3: ...arting the engine 106 Refuelling 108 CHAPTER 3 CHECKS AND MAINTENANCE 109 Motor oil level check 110 Motor oil and oil filter substitution 111 Check the level of the front and rear brake fluid and bleeding 114 Check the front and rear brake pads 116 Check the oil level in the hydraulic clutch and bleeding 117 Fork oil 118 Air filter 119 Spark plug 120 Carburetor 121 Coolant 124 Removing the plastic...

Page 4: ...ever 139 Adjusting the handlebars 139 Adjusting the throttle control cable 140 Checking and adjusting the steering play 140 Tensioning the chain 141 Adjusting the headlight 142 CHAPTER 5 REPLACEMENTS 143 Replacing the brake pads front and rear 144 Replacing the headlight bulbs 146 Replacing the rear light bulb 146 Replacing the exhaust pipe 147 CHAPTER 6 TROUBLESHOOTING 149 INDEX 151 ...

Page 5: ...thers always drive carefully and with your helmet on WARNING Any modifications and tampering with the vehicle during the warranty period ex empt 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 ...

Page 6: ...sic 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 ...

Page 7: ...L INFORMATION 83 GB CONTENTS CHAPTER 1 GENERAL INFORMATION Vehicle identification data Delivery Load Tyres Steering lock Familiarizing with your vehicle Controls Specifications Wiring diagram Electrical devices ...

Page 8: ... data B are stamped in the area shown in the figure WARNING Tampering with the identification numbers is severely punished by law DELIVERY The vehicle is supplied ready for use However it is advisable to conduct a few simple checks before riding Check the tyre pressures Check the oil level in the engine The following items are supplied as stand ard operation and maintenance manual tool kit see pho...

Page 9: ...g of the vehicle To protect your safety immediately re place any damaged tyres Slick tyres adversely affect the road hold ing 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 pressure is too high TYRES PRESSION RR 250 400 450 525 TYRE Off road Road Size ...

Page 10: ...try We recommend replacing the tyres at the latest when the tread is 2 mm thick Check the inflating pressure on a regular basis while the tyres are cold Proper pressure ensures optimum riding comfort and prolongs the life of the tyres STEERING LOCK The vehicle is supplied with one key and a spare to be used for the steering lock WARNING Do not keep the spare keys in the vehicle Keep the keys in a ...

Page 11: ... shock absorber 5 Headlight 6 Rear light 7 Side stand 8 Fork 9 Rider s footrests 10 Lower bumper 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 Lateral bumper 1 2 8 7 9 5 4 6 3 10 11 12 13 16 15 14 17 18 20 19 ...

Page 12: ... to be reduced Ensure that the lever has a play of approximately 10 mm see figure If necessary restore the play see Adjust ments FRONT BRAKE LEVER Front brake lever 3 is fitted to the right hand side of the handlebars Screw B can be used to adjust the home position of the lever see Adjustments GEARCHANGE LEVER Gearchange lever 4 is fitted to the left side of the engine The positions corresponding ...

Page 13: ...h functions 3 TOD T 3 and Vel 0 enables setting of circumference unit and number of pulses for each wheel turn T 3 or Vel 0 cycles through functions 4 TD T 3 resets LAP and TD T 3 cycles through functions 5 COUNTDOWN T 3 and Vel 0 enables setting of countdown T 3 or Vel 0 cycles through functions T Time during which button is pressed down Vel Speed of vehicle DIGITAL SPEEDOMETER CYCLING THROUGH TH...

Page 14: ...turn to the standard operating mode CURRENT SPEED FUNCTION This information is constantly displayed together with an indication provided by a graphic bar The default unit is km h To change the unit press the button to access the Setup menu and select Mph When Mph is selected no indication is provided as to which unit is currently displayed 2 AUTOMATIC LAP FUNCTION LAP T 3 resets LAP and TD T 3 cyc...

Page 15: ...causes the reset of the LAP parameter 5 COUNTDOWN TRIP FUNCTION Countdown T 3 and Vel 0 enables setting of countdown T 3 or Vel 0 cycles through functions This function is always accompanied by a flashing TD caption The counter is al ways active and is automatically decreased by 0 1 kilometres or miles according to the selected unit The value for this parameter can be changed in TD decrease mode b...

Page 16: ...nt receives a signal from the speed sensor The button is depressed As soon as the microcontroller wakes up the following happens The display and the warning lights are checked all the warning lights come up providing that power is supplied by the vehicle for about 2 seconds The selected wheel circumference and number of wheel pulses are displayed for about 2 seconds The last function in use when t...

Page 17: ... indicators if installed When released the lever returns to the central position Press it to turn the indicators off 3 4 2 5 KICKSTART Kickstart 6 is fitted to the right hand side of the engine The upper part of the kickstart can be ori ented SIDE STAND Press down side stand 7 with the foot and lean the vehicle against it Ensure that the ground is solid and the ve hicle stands steadily If the vehi...

Page 18: ...0 mm saddle height 940 mm ground clearance 320 mm footrest height 405 mm DIMENSIONS RR 400 450 525 maximum length 2270 mm maximum width 813 mm overall height 1255 mm wheelbase 1500 mm saddle height 940 mm ground clearance 320 mm footrest height 405 mm FRAME molybdenum steel with double cradle split above exhaust port TYRES pressure bar off road front 1 0 rear 1 0 pressione bar road front 1 5 rear ...

Page 19: ...zocchi hydraulic upside down fork Ø45 mm shafts Oil content in the gearshift fork stem right 610 cc left 610 cc Oil type EB H16 SAE 7 5 Oil level 90 2 mm Trail 108 5 mm front wheel travel 290 mm fork angle 26 5 REAR SUSPENSION Single shock absorber with compound lever shock absorber travel 105 mm rear wheel travel 300 mm FRONT BRAKE Ø255 mm floating disc and dual piston floating caliper REAR BRAKE...

Page 20: ... RR 525 11 1 Carburetor see table Type Keihin FCR MX 37 Keihin FCR MX 39 Keihin FCR MX 39 Keihin FCR MX 39 Carburator setting number 3700A 3900A 3900A 3900B Main jet 160 178 178 178 Jet needle OBEKT OBDVR OBDVR OBDVT Idling jet 42 42 42 42 Main air jet 200 200 200 200 Idling air jet 100 100 100 100 Needle position 3 rd from top 3 rd from top 3 rd from top 3 rd from top Starting jet 85 85 85 85 Mix...

Page 21: ... ZRDK 007 Pinion Z 15 Rear sprocket Z 45 Play of valves intake 0 12 mm exhaust 0 12 mm Ignition DC CDI without trembler with digital variable spark advance Kokusan type Starting electric starter and kickstart Gear ratio 1st gear 14 38 14 34 14 34 14 34 Gear ratio 2st gear 16 36 17 31 17 31 17 31 Gear ratio 3st gear 19 34 19 28 19 28 19 28 Gear ratio 4st gear 21 32 22 26 22 26 22 26 Gear ratio 5st ...

Page 22: ... Bl Bi Bl Ne Gr Gr Ne Bi Ar Bi Ar Ne Ne _ Ne Rs Rs Ne Ve Vi Vi Bi Bi Bl Bl Bl Bi Bl Bl Ro Az Gr Ne Bi Bl Ne Gr Ne Gr B L Gr Ne Gr Ne Gi Rs Gi Rs Gi Rs Ve Bi Ne Gr Bi Ne Ro Ne Bi Ar Bi Ar Gi Gi Ne Ne Ne Ne Ne Ne Ne Ro Az Gr Ne Gr Ne Ve Vi Ma Ne Ro Ne Ne Gr Gi Ve Ne Bl Bi Bl 13 9 14 11 12 17 18 10 Ne 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 29 31 32 33 34 37 35 3...

Page 23: ...0W BULB 17 FLASHER UNIT 18 12V REGULATOR 19 LEFT HAND REAR TURN INDICATOR 12V 10W BULB 20 NUMBER PLATE LIGHT 12V 5W BULB 21 REAR LIGHT 12V 5 21W BULB 22 RIGHT HAND REAR TURN INDICATOR 12V 10W BULB 23 BATTERY POSITIVE TERMINAL 24 BATTERY 12V 5Ah 25 GENERATOR 26 10A FUSE 27 EARTH BRAID 28 STARTER RELAY 29 STARTER MOTOR 30 BATTERY NEGATIVE TERMINAL 31 ELECTRONIC CONTROL UNIT 32 HV COIL 33 SPARK PLUG ...

Page 24: ...y WARNING 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 possibilit...

Page 25: ...r horn indicators instrument panel The starting relay also contains spare fuse 7 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 capac ity fuse or attempt to fix a broken fuse Unskilled operations...

Page 26: ......

Page 27: ...2 OPERATION 103 GB CONTENTS CHAPTER 2 OPERATION Checks to be performed before each ride Recommended lubricants Running in Starting the engine Refuelling ...

Page 28: ...t 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 worksho...

Page 29: ...eed 7 000 rpm 2 For the next 12 hours of operation the engine should only be used to about 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 WARNING After the first 3 hours or 20 litres of petrol change the engine oil Always use high octane unleade...

Page 30: ...ly 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 In that case pull decompressor lever 4 actuate the kickstart 5 10 times or press the electric starter but ton twice for 5 seconds Subsequently start the engine as described previously If nec essary remove the spark plug and dry it WARNING The...

Page 31: ...d out completely a hole is opened in the carburettor through which the engine can suck in extra fuel This makes it possible to obtain a rich fuel air mixture suitable for cold starting To deactivate the choke push it in to its start ing position 2 ...

Page 32: ...ction of heat It is therefore recommended not to fill the tank to the brim FUEL COCK 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 th...

Page 33: ...ar brake fluid and bleeding Check the front and rear brake pads Check the oil level in the hydraulic clutch and bleeding Fork oil Air filter Spark plug Carburetor Coolant Removing the plastics Drive chain maintenance and wear Suspensions telescopic fork and shock absorber Charging the battery Cleaning and checking the vehicle Scheduled maintenance Prolonged inactivity ...

Page 34: ...remature wear of the engine OIL CIRCUIT Oil pump 3 sucks engine oil from the oil sump through long oil unit 4 Oil pipe 5 conveys the oil to the cylinder head up to camshaft lubrication point 6 The oil quan tity is adjusted by means of oil passage screw 7 An oil pipe branches off towards long oil unit 8 where the coarser particles are filtered out The oil then comes to short oil unit 9 which filter...

Page 35: ...aned and both oil filters replaced The oil must be changed when the engine is at operating temperature WARNING When at operating temperature the en gine and the oil it contains are very hot Take special care to avoid burns Park the motorcycle on level ground re move screw C and let the oil drain in a container Thoroughly clean the screw with a mag net After the oil has drained completely clean the...

Page 36: ...side of the crankcase Push the oil unit in the crankshaft until it stops and then remove the spanner Replace screw 3 and tighten at 15 Nm The oil unit is fitted in a tilted position see diagram To avoid malfunctions be sure to observe this position CLEANING THE SHORT OIL UNIT Short oil unit 1 is inserted in Allen screw 2 on the lower side of the engine Insert an Allen wrench into the screw socket ...

Page 37: ... Insert the long filter unit at the front and the short filter unit at the back of the crank case Grease the oil filter cover O rings and fit covers 4 Fit screws 2 and tighten them at 6 Nm Tighten screw 1 at 8 Nm Remove screw fastener 5 from the clutch cover and pour in 1 25 litres of fully syn thetic engine oil MOTOREX COBRA 15W40 WARNING Before starting the engine it is advisable to rotate the e...

Page 38: ...res special seals and tubes WARNING The brake fluid is extremely corrosive Take care not to spill it on the paintwork BLEEDING THE FRONT BRAKE Follow these steps to bleed the front brake circuit Remove rubber cap B from valve C Remove the oil reservoir cap Insert one end of a small tube into valve C and place the other end in a container Unscrew valve B while pulling the brake lever and then pump ...

Page 39: ...l which re quires special seals and tubes WARNING The brake fluid is extremely corrosive Take care not to spill it on the paintwork BLEEDING THE REAR BRAKE Follow these steps to bleed the rear brake circuit Remove rubber cap E from valve F Unscrew the brake fluid reservoir cap Insert one end of a small tube into valve F and place the other end in a container Unscrew valve F while pulling the lever...

Page 40: ...eplace the brake pads can result in a considerable reduction of the braking action and in damage to the brake disc REAR BRAKE LINING CONTROL Inorder to verify the wear condition of rear brake is enough to view the plincer 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 No...

Page 41: ...LUTCH To bleed the hydraulic clutch first remove the clutch pump cover To do this remove the two screws 1 and take off cover 2 together with the rubber bellows Remove the breather valve from clutch pump cylin der 3 Fit the bleed syringe filled with SAE 10 hydraulic oil in the breather valve socket Pump in oil until it comes out of clutch pump hole 4 with no air bubbles Ensure that no oil overflows...

Page 42: ...p Remove the handlebars after unscrewing the four screws B fixing clevis C Unloosen the stem clamping screws D and E Remove lower plug F and upper plug A pay attention to the spring Let all the oil drain from the rod Replace fork lower plug F Pour in fresh oil of the type shown in the table on page 105 Fit and tighten upper plug A Tighten in sequence first the D screw then the E screw and aging th...

Page 43: ...water Dry the filter Wet the filter with filter oil and then re move the excess oil to prevent it from drip ping 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 filte...

Page 44: ...arry out the check simply remove the current cap and then unscrew the spark plug using the spanner provided Carefully clean the electrodes using a wire brush Blow the spark plug with com pressed air to prevent any residues from getting into the engine Measure the spark gap with a thickness gauge The gap should be 0 6 0 7 mm If the gap is not as specified restore the proper gap by bending the earth...

Page 45: ...xture adjusting screw 2 until it stops then turn it until you obtain the basic adjustment recommended by BETAMOTOR see engine specifications on page 96 Warm up the engine Turn adjusting wheel 1 to obtain the standard idle speed 1400 1500 rpm Slowly turn mixture adjusting screw 2 clockwise until the idle speed begins to lower Remember this position then slowly turn the mixture adjusting screw anti ...

Page 46: ...ll 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 wheel until you obtain the desired idle speed The idle speed will have to be adjusted again in case of marked changes in the outside temperature and riding altitude CARBURETTOR WEAR GUIDELINES The throttle valve the needle valve a...

Page 47: ... ing it too hard In this position the float edge should be parallel with the float chamber sealing sur face see figure If the float height does not correspond to the nominal value check the float needle valve and if necessary replace it If the needle valve is in working order adjust the float height by bending float le ver 3 Fit the float chamber install the carburettor and adjust the idle speed 3...

Page 48: ...the engine is cold the radiator fins should be immersed in the liquid for about 10 mm Top up if the coolant does not cover the radiator fins see chart on page 105 The capacity of the circuit is shown in the table on page 95 WARNING To avoid scalds never unscrew the radia tor filler cap when the engine is hot WARNING Fuel is flammable and toxic and must be handled with great care Never work on the ...

Page 49: ...l to remove the bodywork sections as de scribed below Removing the saddle Remove the two fixing screws A one on each side lift the saddle as shown in the figure and pull it off from the back of the vehicle Removing the rear mudguard Remove the two fixing screws B and then the two fixing screws C and D from under the rear mudguard A B C D ...

Page 50: ...ing screws F two on each side and remove the panels The upper screw fixes the saddle as well as the rear panel Removing the right hand side bumper Unscrew the six fixing screws G remove the plastic strap and take off the side bumper if present Removing the left hand side bumper Unscrew the four fixing screws H remove the two plastic straps and take off the side bumper if present E F G H ...

Page 51: ...dguard Remove screw M also located under the mudguard fixing the mudguard backing plate Remove the two mudguard backing fixing screws N from the top of the backing plate Removing the fork covers Unscrew the eight fixing screws P five on the left side and three on the right side and take off the fork covers L M N P ...

Page 52: ...3 CHECKS AND MAINTENANCE 128 GB Removing the headlight fairing Release the two rubber bands Q as shown in the figure pull out the headlight insert and take off fairing R Q R ...

Page 53: ... 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 is...

Page 54: ...pic fork during compression and can be adjusted by means of screw B located at the lower end of the fork legs Turning the screw clock wise increases the action of the compres sion damper turning it anticlockwise de creases the action of the compression damper Standard adjustment 18 clicks from the completely closed posi tion SHOCK ABSORBER ADJUSTING THE HYDRAULIC COMPRES SION DAMPER high and low s...

Page 55: ...se to decrease it After obtaining the desired preload turn counter ring 1 until it stops against adjust ing ring 2 Spring preload 260 mm D C 1 2 3 Low speed adjustment Using a screwdriver loosen screw C by turning it clockwise to decrease the hy draulic compression damper Standard adjustment Screw completely open 21 21 clicks High speed adjustment Turn knob D anticlockwise to decrease the hydrauli...

Page 56: ...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 ter minals 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 charge...

Page 57: ...lute water Always wash the vehicle in areas equipped for collection and purification of the washing liquids Never wash the vehicle in the sun particularly during the summer when the bodywork is hot The shampoo would dry before being rinsed off and cause damage to the paintwork Do not clean the plastic surfaces with cloths soaked in petrol or naphtha as they would lose their shine and mechanical pr...

Page 58: ...ine oil S S Engine oil filter S S Motor oil net filter P P Exhaust pipe bolts T Brakes I I Brake lines replace every 4 years I I Brake fluid replace every 2 years I I Tyres I Steering I I Fork I Rear suspension I Frame nuts bolts and oil tubes T T Chain tension I I I Check and if necessary adjust clean lubricate or replace P Clean S Replace renew T Tighten Note For any service requirements please ...

Page 59: ...e 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 Protect the vehicle with a dust cover Drain the carburetor float chamber by loosening screw A The fuel drained from the chamber through a suitable pipe must be collected in a container and poured into the fuel tank Do not di...

Page 60: ......

Page 61: ...front lever and brake pedal Adjusting the decompressor lever control cable Adjusting the home position of the clutch lever Adjusting the handlebars Adjusting the throttle control cable Checking and adjusting the steering play Tensioning the chain Adjusting the headlight ...

Page 62: ...E DECOMPRESSOR LEVER CONTROL CABLE Start the engine and let it idle Slowly pull the decompressor lever until you feel the rocker arm knocking The idle travel be fore the knocking is perceived should be approximately 10 mm as measured from the end of the lever If necessary adjust the idle travel using the procedure described below Push back protective cap 8 loosen the counternut and turn adjusting ...

Page 63: ...EBARS The handlebars can be fastened in one of four positions Lower clevis 1 can be positioned on holes 2 and 3 respectively and can be rotated 180 degrees to allow four different adjust ments capable of suiting different driver s requirements Note The fuor positions make it possible to move the handle bar axis as to the vertical axis of the steering wheel 1 2 3 ...

Page 64: ...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 Unscrew the five screws 13 Pull out the handlebars paying special attention to the clevises Loosen nut 14 Reduce the play by turning ring To refit th...

Page 65: ...in the chain clean and lu bricated If the chain play exceeds 20 mm tension the chain by following these steps Loosen 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 20 mm A B A B 1 ...

Page 66: ...only be adjusted vertically Place the vehicle on level ground but not on the stand 10 metres from a vertical wall Measure the height of the headlight centre above the ground and then draw a cross on the wall at 9 10 of the height of the headlight centre Turn on the low beam get on the motorbike and check that the headlight beam on the wall is slightly lower than the cross drawn previously 10 m 9 1...

Page 67: ...5 REPLACEMENTS 143 GB CONTENTS CHAPTER 5 REPLACEMENTS Replacing the brake pads front and rear Replacing the headlight bulbs Replacing the rear light bulb Replacing the exhaust pipe ...

Page 68: ...o 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 brak...

Page 69: ...ocated 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 al...

Page 70: ...kwise until it stops Replace rubber cap 3 and connector 2 Refit the parking light bulb together with bulb holder 1 If the parking light bulb needs to be re placed simply remove it from the bulb holder and insert the new bulb Reattach the headlight fairing to the sup port pegs and fasten it with the two rubber bands REPLACING THE REAR LIGHT BULB To replace the brake light bulb follow these steps Re...

Page 71: ...i pag 125 Remove the right and the left lateral bumper vedi pag 126 Remove the right back side vedi pag 126 Remove the silencer 1 unscrewing the two fixing screws 2 and the spring 3 united to the exhaust pipe Remove all the four fixing screws 4 two on the right and two on the left of the loom5 Release with a screwdriver the coupling box filter fixing clamp 6 Disconnect the back plant connectors an...

Page 72: ...olt of the damper 7 in order to make it possible for the exhaust pipe to pass Remove the two springs attacked to the cylinder 8 Unscrew the bolt 9 over the lever set in motion and remove the tube running it from the back In order to reassemble it follow the inverted procedure 5 7 8 9 ...

Page 73: ...6 TROUBLESHOOTING 149 GB CONTENTS CHARTER 6 TROUBLESHOOTING INDEX ...

Page 74: ...adjusted Spark plug 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 the ignition timing 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 the timing Front braking poo...

Page 75: ...118 Front and rear brake check pads 116 Front and rear brake check the level 114 Handlebars adjustment 139 Recommended lubricants 105 Refuelling 108 Replacing exhaust pipe 147 Replacing the brake pads front and rear 144 Replacing the bulbs 146 Running in 105 Scheduled maintenance 134 Spark plug 120 Specifications 94 Starting 106 Steering check and adjustment 140 Steering lock 86 Suspensions telesc...

Page 76: ...152 ...

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Beta RR 250, Owner'S Manual

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Summary of Contents for RR 250

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