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APRILIA SR 50 - 2001, Manual, Page: 45 / 104

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APRILIA SR 50 - 2001 Manual Download Page 45

45

use and maintenance

SR 50

INSTRUCTIONS FOR USE

WARNING

WARNING

Carefully read p. 5 (WARNINGS -
PRECAUTIONS - GENERAL ADVICE).

Before you ride away, always do a pre
ride check to make sure that all
systems are working properly and safe,
see p. 46 (PRELIMINARY CHECKING
OPERATIONS).
Failure to follow this warning can lead to
engine seizure, handling instabilities or
other problems which can result in an
upset and subsequent serious injury or
even death.

Do not hesitate to consult your Local

aprilia

 Delear in case there is something

you do not understand about the
functioning of some controls or in case
you suspect or discover some
irregularities.
It does not take long to carry out a check-
up and this operation ensures you much
more safety.

Failure to perform the checks described
above may cause accidents or make the
vehicle overturn, with consequent
serious injuries or even death.

If the throttle sticks open, it may cause
a collision with another vehicle, or an
upset.

If the throttle sticks, kill the engine with
the engine stop switch located on the
right handlebar.
Do not attempt to restart the engine until
the throttle has been repaired and works
perfectly. Failure to obey this warning can
lead to a runaway with seriously injuries
or even death.

If any fastener is loose, the rider may
lose control of the vehicle and risk and
accident.

Both situations may cause serious
injuries or even death.

Summary of Contents for SR 50 - 2001

Page 1: ...use and maintenance SR 50 ...

Page 2: ...y described in this manual to purchase aprilia genuine spare parts accessories and other products and for help with specific problems please contact your Local aprilia Dealer or service center These professionals will be able to promptly and accurately help Thank you for choosing aprilia Have a great ride This manual is copyright in all countries and reproduction of any part or the whole by any me...

Page 3: ...acuation system WARNING The exhaust fumes contain carbon monoxide a poisonous gas that can cau se loss of consciousness and even death GASOLINE Keep gasoline away from children Gasoline is also poisonous Never attempt to siphon gasoline using your mouth Never allow gasoline to contact your skin If you should accidentally spill gasoline on yourself change your clothes immediately and wash the area ...

Page 4: ...t a visible flame The coolant ethylene glycol can cause skin irritation and is poisonous if swallowed Coolant and coolant water mixtures are sweet to the taste and brightly colored therefore are highly attractive to pets and children Take extra precautions to keep new and used coolant out of reach of children and animals KEEP AWAY FROM CHILDREN Risk of burn Do not remove the radiator cap when the ...

Page 5: ...ion about motor vehicle safety from the Hotline ROAD REGULATIONS AND USE OF THE VEHICLE Rules of the road vary from country to coun try It is essential that you understand in ad vance the rules of the road of the country in which your vehicle will be used This vehicle has been designed and pro duced for use on even and paved roads or surfaces only Do not use the vehicle on un paved surfaces in ord...

Page 6: ...es or any other component which conducts exhaust gases b Removal or puncturing of any part of the intake system c Lack of proper maintenance d Replacing any moving part of the vehicle or parts of the exhaust or intake system with parts other than those specified by the manufacturer e Modofing with the engine control unit CAUTION This product should be checked for repair or replacement if the vehic...

Page 7: ...ral tube of the frame to be able read it it is necessary to remove the lower shield cover see p 71 RE MOVING THE LOWER SHIELD COVER INFORMATION CONTAINED IN THE VEHICLE IDENTIFICATION NUMBER DIGIT MEANING 1 Manufacturer s identification alphanumeric code 2 Vehicle type 3 Model 4 Country for which the vehicle is intended 5 Check digit number 6 Production year 7 Assembling factory designation N NOAL...

Page 8: ...8 use and maintenance SR 50 POSITION OF THE WARNING ADHESIVE LABELS 1 2 6 13 11 8 12 14 15 7 A 5 9 10 A 3 4 ...

Page 9: ...al Never disconnect the battery or regulator with the engine running This will completely destroy the entire electrical system WARNING DO NOT REMOVE THE CAP UNTILTHE ENGINE IS ENTIRELY COOL COOLANT IS HOT AND UNDER PRESSURE FAILURE TO OBSERVE THIS WARNING MAY LEAD TO SERIUS BURNS USE ONLY FLUID FOR SEALED CIRCUITS USE ONLY ANTIFREEZE AND ANTICORROSIVE WITHOUT NITRATE ENSURING PROTECTION 35 C AT LE...

Page 10: ...e performance and are prohibited by state and Federal laws Any modification of this unit will immediately void the warranty Do not install accessories or replacement parts not approved by Aprilia as original spare parts Such installation can degrade the handling and safety of your motorcycle and can cause an accident with serious injury or death See owner s manual WARNING Muffler stamping ...

Page 11: ...ilometers 11 185 miles whichever first occurs Class III vehicles 280 cm3 and larger for a period of use of five 5 years or 30 000 kilometers 18 641 miles whichever first occurs If an emission related part on your vehicle is defective the part will be repaired or replaced by aprilia This is your emission control system DEFECTS WARRANTY OWNER S WARRANTY RESPONSIBILITIES As the vehicle owner you are ...

Page 12: ... the California Air Resources Board Any part or parts replaced under this warranty shall become the property of aprilia In the State of California only emission related warranted parts are specifically defined by the state s Emission Warranty Parts List These warranted parts are carburetor and internal parts intake manifold fuel tank fuel injection system spark advance mechanism crankcase breather...

Page 13: ...arranty does not cover inconvenience or loss of use of the motorcycle or transportation of the motorcycle to or from the aprilia dealer aprilia SHALL NOT BE LIABLE FOR ANY OTHER EXPENSES LOSS OR DAMAGE WHETHER DIRECT INCIDENTAL CONSEQUENTIAL OR EXEMPLARYARISING IN CONNECTION WITH THE SALE OR USE OF OR INABILITY TO USE THE aprilia MOTORCYCLE FOR ANY PURPOSE SOME STATES DO NOT ALLOW THE EXCLUSION OR...

Page 14: ...IONAL INFORMATION Any replacement part that is equivalent in perfor mance and durability may be used in the performance of any maintenance or repairs However aprilia is not liable for these parts The owner is responsible for the perfomance of all required maintenace Such maintenance may be performed at a service establishment or by any individual The warranty period begins on the date the motorcyc...

Page 15: ...d also on the opposite side of the vehicle If not expressly indicated otherwise for the reassembly of the units repeat the disassembly operations in reverse order The terms right and left are referred to the rider seated on the vehicle in the normal riding position NOTE When asking your Dealer for spare parts specify the spare parts code indicated on the SPARE PARTS IDENTIFICATION LABEL Write down...

Page 16: ...SSION OIL 38 DISC BRAKES 39 COOLANT 40 CHECKING AND TOPPING UP 41 TIRES 42 EXHAUST PIPE MUFFLER 44 INSTRUCTIONS FOR USE 45 PRELIMINARY CHECKING OPERATIONS 46 STARTING 47 RIDING 49 RUNNING IN 51 STOPPING 52 PARKING 52 POSITIONING THE VEHICLE ON THE STAND 53 SUGGESTIONS TO PREVENT THEFT 53 MAINTENANCE 55 SERVICING SCHEDULE 56 IDENTIFICATION DATA 59 AIR CLEANER 60 FRONT WHEEL 61 REAR WHEEL 63 CHECKIN...

Page 17: ...safe drive ...

Page 18: ...ost states prohibit the operation of this size vehicle on freeways or expressways be sure that it is legal to use your vehicle before you take any particular road A new vehicle must be carefully broken in see p 50 RUNNING IN Before starting the engine make sure that the brakes clutch transmission and throttle controls function properly and that the fuel and oil supply is adequate The exhaust syste...

Page 19: ...ream of cars or trucks in front of you In case of accident motorcycles scooters and mopeds do not provide the same degree of protection ensured by automobiles The legs in particular are exposed the risk of being injured However the additional installation of leg guards may actually increase the risk of injuries and their seriousness in case of accident Do not install leg guards available on the ma...

Page 20: ...n an accident insure that there has been no damage to the control levers tubes wires braking system and other vital parts If your vehicle is involved in an accident take it immediately to your Local aprilia Dealer who has the equipment and knowledge to check for accidental damage which may compromise your safety Your aprilia dealer is ready and able to help you with any safety problems that you mi...

Page 21: ... hicle as well as its performance and serviceability Any modification which affects performance or safety voids your warranty completely For the reasons stated above the failure to comply with the tampering prohibition is punished by law with apposite sanctions including the confiscation of the vehicle which according to the case can be combined with the sanctions provided for not using the crash ...

Page 22: ... reduced Under these conditions all handling of the vehicle must be done gradually and smoothly Sudden acceleration braking or turning may make you lose control of your vehicle When traction is reduced accelerate and slow using your vehicle s engine braking insofar as possible Avoid rapid harsh application of the brakes Gradually open and close the throttle to avoid spinning or skidding the rear w...

Page 23: ...reflective vest or clothing with reflective sections sewn into the jacket pants and gloves Be particular aware of approaching automobiles and trucks that might be trying to turn left in front of you Many vehicle accidents are caused by an opposing automobile driver making a left turn without warning in front of the vehicle Inevitably the driver will look right at you and yet swear that they did no...

Page 24: ...e hamper the operation of the controls and reduce the distance from the ground and the angle of inclination in turns Avoid using accessories that hamper access to the controls since this can prolong reaction times during an emergency Big fairings and windshields installed on the vehicle may produce aerodynamic forces that will affect the stability of the vehicle during use especially at high speed...

Page 25: ...nd especially on acceleration Therefore you should avoid hard acceleration and hard braking Many accidents are caused by inexperienced riders carrying passengers Remember that allowance must be made for the extra weight of the passenger for all driving maneuvers Avoid abrupt and excessive acceleration Always slow down in time and calculate longer stopping and manoeuvring distances Non compliance w...

Page 26: ...nce SR 50 ARRANGEMENT OF THE MAIN ELEMENTS KEY 1 Coolant expansion tank cap 2 Bag hook 3 Battery tool kit compartment cover 4 Fuel tank 5 Fuel filler cap 6 Saddle lock 7 Air cleaner 8 Left inspection cover 1 2 3 4 5 6 8 7 ...

Page 27: ...roke oil tank cap 2 2 stroke oil tank 3 Ignition switch steering lock 4 Right inspection cover 5 Fuse carrier 6 Horn 7 Battery 8 Lower shield cover 9 Anti theft hook for the aprilia Body Guard armored cable 10 Center stand 1 2 3 6 9 8 7 5 4 ...

Page 28: ...de of the handlebar 10 Ignition switch steering lock 11 Fuel level indicator 12 Speedometer 13 Total miles odometer 14 Coolant temperature indicator 15 Green direction indicator warning light 16 Red 2 stroke oil reserve warning light 17 Blue high beam warning light 18 Amber low fuel warning light 19 Diagnostics warning light INJECTION CHECK INSTRUMENTS ARRANGEMENT OF THE INSTRUMENT CONTROLS 0 0 0 ...

Page 29: ...cause an upset and serious injury or even death CAUTION 2 stroke oil reserve warning light It comes on when the ignition switch is turned to the ON and the starter button is depressed If the light does not illuminate when the starter button is depressed this indicates that the warning system bulb is burned out and must be replaced before riding The light goes out after the engine starts as long as...

Page 30: ...ely If the motorcycle is started in this state its functions may be limited Stop the motorcycle and take it to an Authorized aprilia Dealer PRIORITY 2 Warning light switches on and stays lit for a minimum of 10 seconds This signals a temporary operating error and does not affect vehicle safety In this case the motorcycle can be started You are advised to contact an Authorized aprilia Dealer as soo...

Page 31: ...he push button is pressed 2 DIRECTION INDICATOR SWITCH To indicate the turn to the left move the switch to the left to indicate the turn to the right move the switch to the right To turn off the direction indicator press the switch 3 DIMMER SWITCH When the lever is in the position indicated by the the parking lights dashboard light and low beam are on When the lever is moved to the the high beam i...

Page 32: ... it is possible to start the engine The engine can be stopped by moving the switch 1 to the OFF position Do not leave the ignition on if you have stopped the engine by moving the engine stop switch to the OFF position as this will discharge the battery When the vehicle has come to rest after stopping the engine with the engine stop switch turn the ignition switch A to the OFF position 2 STARTER SW...

Page 33: ...ury or even death OPERATION To lock the steering Place the vehicle on the stand Turn the handlebar completely leftwards Turn the key 2 to position OFF and press it Release the key 2 NOTE Turn the key 2 and steer the handlebar at the same time WARNING Rotate the key 2 counterclockwise leftwards steer the handlebar slowly until the key 2 reaches position LOCK Extract the key 2 Position Function Key ...

Page 34: ... crash helmet glove compartment you no longer have to carry the crash helmet or other objects with you every time you park the vehicle The compartment is positioned under the saddle To reach it Raise the saddle 2 see beside UNLOCKING LOCKING THE SADDLE NOTE Position the helmet with the opening facing downwards as indicated in the figure Do not overload the crash helmet glove compartment Maximum al...

Page 35: ...hang excessively bulky bags or parcels to the hook as this may seriously compromise the manoeuvrability of the vehicle or the movement of your feet The bag hook 4 is positioned on the front part of the inner shield Max allowed weight 3 31 lb 1 5 kg WARNING REAR MUDGUARD EXTENSION The rear mudguard extension 5 is provided as standard equipment and can be installed if the vehicle is used on wet road...

Page 36: ...and other reproductive problems If gasoline should be accidentally spilt on the skin or clothes immediately wash it off with soap and water and change clothes Should you accidentally spill gasoline in your eyes flush with a large quantity of water and immediately contact a health professional Should you accidentally get gasoline into your mouth do not in duce vomiting Drink a large quantity of mil...

Page 37: ...se an upset with consequent risk of serious injury or even death It certainly will destroy your engine Top up the 2 stroke oil tank every 1240 mi 2000 km Themotorcyclehasanelectronicpumpmanaged byacontrolunittoensurethatthecorrectamount of engine lubrication oil is pumped in see page 77 LUBRICANT CHART When the oil level in the 2 stroke oil tank is so low that the reserve is being used the 2 strok...

Page 38: ...presence of water Water on the brakes from washing your vehicle or splashed up from wet roads or crossing puddles or ditches can wet the brakes sufficiently to greatly reduce their effectiveness Failure to heed these warnings may lead to a serious accident with consequent risk of serious injury or even death NOTE This vehicle is equipped with front and rear disc brakes with separate hydraulic syst...

Page 39: ...either brake system is leaking FRONT AND REAR BRAKE CHECKING THE SYSTEM NOTE Carry out these checks only on a firm flat surface such as a concrete garage floor Place the vehicle on the center stand MIN minimum level Rotate the handlebar so that the fluid contained in the brake reservoir is parallel to the MIN mark stamped on the glass gauge 2 Ensure that the fluid contained in the reservoir exceed...

Page 40: ... AND IS VERY ATTRACTIVE TO CHILDREN AND PETS Use extra caution not to spill the coolant on any hot parts of the engine It is flammable and can emit invisible noxious fumes Always wear rubber or latex gloves when servicing the cooling system Have the coolant changed by your Local aprilia Delear The coolant is made up of 50 water and 50 antifreeze This mixture is ideal for most running temperatures ...

Page 41: ...er any circumstance Should you get coolant in your mouth rinse with cool water and immediately seek medical attention Coolant is also very dangerous to your skin and eyes Should you accidentally get coolant on your clothing or skin change clothes immediately Wash coolant from your skin with hot water and soap Should you get coolant in your eyes flush with plenty of cool water and seek professional...

Page 42: ...g can lead to an accident with subsequent serious injury or even death Some types of tires homologated for this vehicle are provided with wear indicators There are several kinds of wear indicators For more information on how to check the wear contact your Dealer Visually check if the tires are worn and in this case have them changed If a tire should go flat while you are riding the vehicle do not ...

Page 43: ...f you do wipe it immediately then scrub the tire with soap and water and a stiff brush Do not use a tire that is worn out Minimum tread depth is measured as shown above The minimum tread depth 1 for both the front and the rear tires is 0 12 in 3 mm AUTOMATIC LIGHTS ON Your vehicle is equipped with lights that come on automatically as soon as the engine is started For this reason there is no light ...

Page 44: ... with the noise control system is forbidden The motorcycle owner is hereby notified that law may prohibit the following actions the removal or disabling in any way of any noise emission control device or constituent part of a new vehicle by any person whatsoever either before the sale or delivery of the vehicle to the final buyer or while the vehicle is in use unless for servicing repair or replac...

Page 45: ...e you suspect or discover some irregularities It does not take long to carry out a check up and this operation ensures you much more safety Failure to perform the checks described above may cause accidents or make the vehicle overturn with consequent serious injuries or even death If the throttle sticks open it may cause a collision with another vehicle or an upset If the throttle sticks kill the ...

Page 46: ...moothly and are properly lubricated 36 37 38 39 Steering Make sure that the fork head rotates through its entire range without fouling of any kind Make sure that the fork stops touch the frame at full left and full right fork lock 63 Center stand Make sure that it works smoothly and that the spring tension brings it back to its normal position If necessary lubricate joints and hinges 64 Component ...

Page 47: ...ERIOD OF INACTIVITY NOTE To avoid discharging the battery and possibly damaging the starter do not keep the starter button depressed for more than 5 or 10 seconds If the engine does not start in this time wait for 10 seconds and try again Do not depress the starter button 4 when the engine is running This will damage the starter and other important engine components Press the starter button 4 to s...

Page 48: ...t the engine for the first time If this occurs proceed as follows Keep the starter button 6 pressed for a few seconds opening the throttle control 8 moderately Pos A at the same time If the engine starts Release the throttle control 8 If the engine idles unevenly turn the throttle control 8 repeatedly with small frequent movements To start riding see page 49 SETTING OFF AND RIDING If the engine wo...

Page 49: ...re riding If you carry a passenger instruct him her not to move around unduly and to keep his her body aligned with yours during turns Failure to do this could upset the stability of the vehicle Before leaving make sure that the stand stands is are completely up Failure to follow these warnings may cause an accident with consequent risk of serious injury or even death To ride away Allow the thrott...

Page 50: ...h brakes simultaneously in order to obtain the best brake performan ce By applying only the front brake or only the rear brake you reduce the braking performance considerably and run the risk of locking up one wheel which can cause an upset and subsequent serious injury or even death Do not attempt to maintain your position on a hill by running the engine This will very quickly destroy the transmi...

Page 51: ... vehicles reduces visibility and the slip stream could cause you to lose control of your vehicle RUNNING IN After the vehicle has been operated for 300 mi 500 km perform the checking operation shown in the column After running in of the REGULAR SERVICE INTERVALS CHART see p 51 Failure to heed this warning can lead to damage to your vehicle engine seizure or other malfunction which could cause an u...

Page 52: ...the key in the ignition switch Do not sit on the vehicle when the side stand is down If the vehicle falls over it will leak gasoline which is extremely flammable Flames or sparks could cause a fire which could destroy not only your vehicle but also buildings around it and cause injury or even death to people as well Stop the vehicle see p 52 STOPPING Move the engine stop switch 1 to the OFF positi...

Page 53: ... ignition always use the steering lock Try to park your vehicle in a safe place if at all possible in a garage or other protected place Lock your vehicle up using a chain and padlock around the rear wheel Chain the rear wheel to the swinging arm If possible use the appropriate aprilia Body Guard armored cable or an additional anti theft device Make sure that all legal requirements registration lic...

Page 54: ...ber and the vehicle identification number in the space below to facilitate finding the owner in case your vehicle is recovered after theft SURNAME NAME ADDRESS TELEPHONE NO NOTE Very often stolen vehicles are identified thanks to the data written in the use maintenance manual ...

Page 55: ...perations described in this manual can usually be performed by the user However in some cases specific tools and technical expertise may be required Do not hesitate to contact your Local aprilia Dealer who has all the latest factory information and tools to properly service your vehicle Remember that many service operations if done improperly can be very hazardous If you have any questions about y...

Page 56: ...00 miles or 24 months Battery Electrolyte level C C Spark plug C R Air cleaner C P Throttle operation C C Light system C C Brake light switch C Front and rear brake pad wear C every 2000 km 1250 mi C Wheels tires and inflation pressure every month C Brake fluid check level C C check and clean adjust lubricate or replace if necessary Cl clean R replace A adjust Service the motorcycle more frequentl...

Page 57: ...Wheel bearings C Brake discs C C Piston ring every 12000 km 7440 mi C Motorcycle general working order C C Brake circuits brake discs C C Mixer throttle operation C C Exhaust pipe muffler C Cylinder cooling system every 20000 km 12400 mi Cl external cleaning Brake fluid ogni 2 anni S Drive belt R Fork oil and seal every 12000 km 7440 mi C Transmission oil R every 4000 km 2500 mi every 12000 km 744...

Page 58: ... 312 miles Every 4000 km 2500 miles or 12 months Every 8000 km 5000 miles or 24 months Clean injector every 16000 km 9920 mi Cl Variator front rollers and guides R Wheels tires inflation pressure C C Tightening nuts and bolts C C Two stroke oil reserve warning light C C Fuel lines every 4000 km 2500 mi C every 2 years R Braking system pipes hoses every 4000 km 2500 mi C every 4 years R 2 stroke oi...

Page 59: ... You can incur severe penalties by doing this Also this will immediately invalidate your warranty FRAME NUMBER The frame number is stamped on the central tube of the frame To be able to read it it is necessary to remove the cover 1 NOTE The cover 1 can be inserted in one direction only The part provided with the tang 2 is the lower part Frame no __________________________ ENGINE NUMBER The engine ...

Page 60: ...clean non inflammable or low volatility solvents and allow them to dry thoroughly Apply a special filter oil or a particularly dense oil SAE 80W 90 to the entire surface of the element then wring it out to get rid of the excess oil IMPORTANT The filter must be thoroughly impregnated but not dripping DANGER WARNING DANGER REMOVAL Position the motorcycle on the central stand see page 38 POSITIONING ...

Page 61: ...eep the wheel in its position after loosening it Make sure that the vehicle is stable It may cause damage to bystanders and other property as well as being damaged itself Have a helper steady the handlebar in the straight ahead position Brake caliper screw 3 tightening torque 19 53 ftlb 27 Nm Remove the two screws 3 that fasten the front brake caliper 4 Remove the brake caliper 4 from the disc lea...

Page 62: ...ts fastening holes and the holes on the support are aligned NOTE When reassembling the brake caliper replace the caliper screws 3 with two new screws of the same type Tighten the two screws 3 to the appropriate torque Brake caliper screw 3 tightening torque 19 53 ftlb 27 Nm Remove the support 2 from under the tire Remove the support 1 from under the vehicle Retract the center stand Apply the front...

Page 63: ...E Upon reassembly use a new wheel nut Do not reassemble your vehicle using the old wheel nut This wheel nut is of a special type Wheel nut 1 tightening torque 79 56 ftlb 110 Nm Remove the plastic band 4 and the cardboard 3 Release the rear brake lever 2 Remove the rear brake caliper 6 see p 68 REMOVING THE REAR BRAKE CALIPER Withdraw the wheel After servicing the brakes always check them for funct...

Page 64: ...l be seriously compromised This could lead to a crash with subsequent serious injury or death Have the pads changed by your Local aprilia Dealer CAUTION Carefully read p 38 BRAKES p 39 DISC BRAKES and p 55 MAINTENANCE Check the brake pad wear after the first 300 mi 500 km and then every 1 250 mi 2 000 km The amount of wear that the brake pads experience depends on how the vehicle is used how aggre...

Page 65: ...nt of the stand thus observing an incorrect slack Repeat the previous operation more than once Fore and aft slack should be no considerable If slack at the axle is considerable arrange to have your vehicle repaired by your Local aprilia Dealer CHECKING THE ENGINE FULCRUM AXIS Carefully read p 55 MAINTENANCE Periodically check the slack existing between the engine pin bushings To carry out this ope...

Page 66: ...ECKING THE SWITCHES Carefully read p 55 MAINTENANCE The vehicle is equipped with two switches stoplight switch on the rear brake lever 3 stoplight switch on the front brake lever 4 To reach the switches proceed as follows Remove the lower handlebar cover see p 70 REMOVING THE LOWER HAN DLEBAR COVER Perfom the following checks Make sure that there is no dirt or mud on the switch The switch pin must...

Page 67: ...d do not unscrew the screws 2 and 3 but follow the procedure described here below Unscrew and remove the screws 4 and 5 Screw 4 and 5 tightening torque 7 23 ftlb 10 Nm Unscrew and remove the two screws 6 and 7 that fasten the exhaust silencer to the engine Screw 6 and 7 tightening torque 18 08 ftlb 25 Nm Remove the exhaust silencer Taking the two bushings of the upper screw 6 NOTE Upon reassembly ...

Page 68: ...ntil they reach room temperature in order to avoid burns Unscrew and remove the two screws 1 Brake caliper screw tightening torque 1 19 53 ftlb 27 Nm Upon reassembly of the brake caliper replace the caliper fastening screws 1 with two new screws of the same type Never apply the rear brake lever after removing the brake caliper To do so will cause the caliper pistons to fall out of their seats in t...

Page 69: ...FRONT COVER Carefully read p 55 MAINTENANCE Remove the cover support element 2 see beside REMOVING THE COVER SUPPORT ELEMENT Rotate the handlebar completely unscrew and remove the screws 3 taking the washers Proceed with care Do not damage the tangs and or their seats Handle the plastic and painted components with care and avoid scraping or damaging them Remove the front cover 4 by pulling it upwa...

Page 70: ...ter the handlebar withdraw the lower handlebar cover 8 from the front and remove it PARTIAL REMOVAL OF THE UPPER HANDLEBAR COVER Carefully read p 55 MAINTENANCE Remove the rear view mirrors see p 66 REMOVING THE REAR VIEW MIRRORS Remove the lower handlebar cover see REMOVING THE LOWER HANDLEBAR COVER Disconnect the two electric terminals 9 The upper handlebar cover 10 comple te with switches instr...

Page 71: ...oved Unscrew and remove the screw 4 and the screw 5 of the rear part of the fairing NOTE Upon reassembly fit the screw 5 with shorter diameter of the rear part of the fairing in the relevant seat Slightly raise the inspection cover 6 release it from the footrest and withdraw it sidewards NOTE Upon reassembly insert the rear part of the inspection cover in the rear part of the fairing making the se...

Page 72: ... the license plate light 5 Unscrew and remove the nut 6 Withdraw the screw 7 Position the rear mudguard extension 8 inside the number plate holder support 9 Position the license plate light 5 correctly on the mudguard seat Screw and tighten finger tight the two nuts 4 Position the bulb socket 1 correctly in its seat Insert the license plate light cable 2 in the two clips 3 NOTE We have not ever co...

Page 73: ...e the tangs and or their seats Handle the painted components with care and avoid scraping or damaging them Withdraw and remove the front inner shield rotating it toward the saddle REMOVING THE LOWER SHIELD COVER Carefully read p 55 MAINTENANCE Place the vehicle on the center stand Before carring out the following let the engine and the exhaust silencer cool down until they have reached room temper...

Page 74: ...hicle on the center stand Pull back the rubber boot 1 Loosen the lock nut 2 Rotate the adjuster 3 in such a way as to restore the prescribed value After the adjustment tighten the lock nut 2 and check the play again Replace the rubber boot 1 Exhaust gases contain carbon monoxide which is extremely poisonous if inhaled Do not start the engine in closed or badly ventilated rooms Failure to observe t...

Page 75: ...spark plug with a proprietary spark plug cleaner and a stainless steel brush Using compressed air carefully blow out the spark plug after you have cleaned it Inspect for cracks on the insulating material electrode corrosion or erosion or deposits that you cannot remove If the spark plug shows any of these defects it must be replaced Check the spark plug gap with a thickness gauge The gap must be 0...

Page 76: ...voltage or taper charger with a current rating no greater than 1 10th the capacity of the battery i e for a 50 amp hour battery the maximum charging current should be 5 amps Use of a more powerful charger can not only damage the battery irreparably but could cause it to overhead and explode If your battery is equipped with an overflow tube always ensure that it is properly installed and properly r...

Page 77: ...minals 2 and the battery terminals 3 are in good conditions and not corroded or covered with deposits covered with neutral grease or Vaseline If it is necessary to clean the battery terminals Make sure that the ignition switch 4 is in OFF position Disconnect first the negative and then the positive cable red Brush with a wire brush to eliminate any sign of corrosion Reconnect first the positive ca...

Page 78: ...ely sealed Do not attempt to remove the caps There is never any need to add water to this battery Attempting to remove the caps will destroy the battery and could lead to injury through the spillage of caustic electrolyte Recharge the bat tery according to the table below Remove the battery see p 77 REMOV ING THE BATTERY The battery gives off noxious and explo sive gases keep it away from flames s...

Page 79: ...h 2 in the OFF position Remove the battery tool kit compartment cover see p 35 BATTERY TOOL KIT COMPARTMENT Remove the tool kit compartment 3 Remove the fuse 1 and inspect the filament 4 If it is open the fuse must be replaced Replace the blown fuse with the spare fuse 5 or with a new fuse having the same amperage rating If you replace the fuse and it blows again immediately there is a serious pro...

Page 80: ...you to collide with another object with consequent risk of serious injury or even death NOTE The procedure described here is in compliance with the Italian standard that establishes the maximum height of the headlight beam For vehicles used in other countries you must conform with the local regulations WARNING To adjust the headlight beam Adjust screw 1 by means of a screw driver By SCREWING IT cl...

Page 81: ...inner shield see p 73 REMOVING THE FRONT INNER SHIELD Unscrew and remove the screw 1 Unscrew and remove the screws 2 Handle with care Take care not to damage the electric wires Loosen the headlight 3 CAUTION There are four groups of shims for four different degrees of adjustment Each shim is marked with the type identification code for example UPPER PIV and with the group number for example 3 see ...

Page 82: ...anging a bulb turn the ignition switch 4 to the OFF position and wait a few minutes so that the bulb cools down Change the bulb wearing clean gloves or using a clean and dry cloth Do not leave fingerprints on the bulb since these may cause its overheating and consequent breakage If you touch the bulb with bare hands remove any fingerprint with alcohol in order to avoid any damage TAKE CARE TO AVOI...

Page 83: ...old bulb when you install the new bulb Do not force the bulb it will go easily if it is properly oriented CHANGING THE FRONT AND REAR DIRECTION INDICATOR BULBS Carefully read p 82 BULBS NOTE Before changing a bulb check the fuse see p 79 CHANGING FUSES Place the vehicle on the center stand Unscrew and remove the screw 6 NOTE While removing the lens use extra care to be sure that you do not break t...

Page 84: ... reassembly Extract the relative bulb socket Extract the bulb and replace it with one of the same type DASHBOARD LIGHTING BULBS NOTE Extract the bulb sockets one by one in such a way as to avoid positioning them incorrectly during the reassembly Extract the bulb socket of the dashboard part in which there has been a light decrease Extract the bulb and replace it with one of the same type Pos Warni...

Page 85: ...et 5 from the inside of the rear part of the fairing cover pull it and remove it from its seat Remove the bulb 6 and replace it with an identical bulb The rear light comprises two units Each unit contains one parking light bulb 1 one stoplight bulb 2 To change them proceed as follows Place the vehicle on the center stand Unscrew and remove the screw 3 NOTE While removing the lens use extra care to...

Page 86: ...ther vehicle WARNING WARNING DRAINING THE FUEL TANK Never drain the fuel tank either partially or completely This may cause damage to the inner components of the fuel tank or to other parts of the fuel system Always ensure that the fuel filler cap is correctly closed Never attempt to tow your vehicle with another vehicle WARNING CAUTION WARNING While your vehicle is being transported it must be ke...

Page 87: ...steam cleaner or an air augmented water jet to clean your vehicle especially the wheel hubs handlebar controls brake reservoirs and cylinders instruments electrical components or exhaust silencer Such cleaning machinery will force water into critical portions of your vehicle which could damage your vehicle through corrosion or short circuiting Do not use alcohol or other solvents to clean the rubb...

Page 88: ...attery see p 77 REMOVING THE BATTERY and p 77 BATTERY STORAGE Wash and dry the vehicle see p 87 CLEANING NOTE Do not use abrasive pastes for polishing matt paints Polish the painted surfaces with wax Inflate the tires see p 42 TIRES By means of a suitable support position the vehicle so that both tires are raised from the ground Place the vehicle in an unheated not humid room away from sunlight wi...

Page 89: ...elbase 49 80 in 1265 mm Min ground clearance 6 30 in 160 mm Curb weight 233 68 lb 106 kg ENGINE Type 2 stroke with controlled ignition Model ABLI L01 Number of cylinders 1 Total displacement 3 01 cu in 49 38 cm3 Bore stroke 1 61 in 1 47 in 41 mm 37 4 mm Compression ratio 13 2 0 5 1 Starting electric Engine idling rpm 1500 50 rpm Clutch automatic centrifugal dry clutch Change gear automatic steples...

Page 90: ... Gross weight limit GVWR 630 lb 286 kg Permissible wheel loads GAVWR front 485 lb 84 kg rear 445 lb 202 kg These two weights Gross Vehicle Weight Rating GVWR and Gross Axle Vehicle Weight Rating GAVWR are stamped on the certification plate positioned on the front part of the frame see p 7 VEHICLE IDENTIFICATION NUMBER V I N FRAME NUMBER TRANSMISSION Speed change gear automatic and stepless Primary...

Page 91: ... Front disc brake Ø 7 48 in Ø190 mm with hydraulic actuation Rear disc brake Ø 7 48 in Ø190 mm with hydraulic actuation WHEEL RIMS Type light alloy Front 3 50 x 13 Rear 3 50 x 13 TIRES FRONT 130 60 13 53J inflation pressure for solo rider 26 1 psi 180 kPa 1 8 bar inflation pressure for rider and passenger 29 psi 200 kPa 2 0 bar REAR 130 60 13 53J inflation pressure for solo rider 26 1 psi 180 kPa ...

Page 92: ...M Battery 12 V 4 Ah Fuse 7 5 A 15A Generator with permanent magnet 12 V 140 W BULBS Low high beam 12 V 35 35 W Direction indicators 12 V 10 W Rear parking light 12 V 5 W Rear stoplight 12 V 21 W License plate 12 V 3 W Dashboard 12 V 1 2 W WARNING LIGHTS High beam 12 V 1 2 W Direction indicators 12 V 2 W 2 stroke oil reserves 12 V 2 W Low fuel 12 V 1 2 W Injection check 12V 2W ...

Page 93: ...oportions shown below SAE 10W F A 5W 67 of volume F A 20W 33 of the volume or FORK 5W 67 of the volume FORK 20W 33 of the volume SAE 15W A 5W 33 of the volume F A 20W 67 of the volume or FORK 5W 33 of the volume FORK 20W 67 of the volume Bearings and other lubrication points recommended AUTOGREASE MP or GREASE 30 As an alternative to the recommended product use high quality grease for rolling bear...

Page 94: ...94 use and maintenance SR 50 Importers ...

Page 95: ...95 use and maintenance SR 50 Importers ...

Page 96: ... R B R M R M R B Bi Vi Bi Vi V Bi R G R M V R Ro G Bi Ro M G Ar N Bi G B G M G R N G Bi V R Bi R V Ro M G Bi G B G Ar N R B N Bi B N BLUE GREEN ORANGE ORANGE WHITE G V V R Bi B G B B N Bi N Bi N R N R N R B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 V B Ar Ar Bi Ar B R M Bi N Az R Bi V R Vi B B G Gr V B B C V R Ar N V R Gr Az B N R Bi V N 44 14 27 41 28 12 46 45 47 48 33 38 38 38 19 ...

Page 97: ...rking light 23 Brake light 24 Rear right direction indicator 25 Brake light rear switch 26 Brake light front switch 27 Generator 28 Voltage regulator 29 Starter relay 30 Starter motor 31 Fuses 32 Battery 33 HT coil 34 Spark plug 35 Petrol pump 36 Air injector 37 Petrol injector 38 Multiple connectors 39 Oil pump 40 Temperature sensor 41 Pick up 42 Throttle sensor 43 Serial connection 44 ECU 45 Fro...

Page 98: ...98 use and maintenance SR 50 ASK FOR GENUINE SPARE PARTS ONLY NOTE ...

Page 99: ...99 use and maintenance SR 50 ASK FOR GENUINE SPARE PARTS ONLY NOTE ...

Page 100: ...100 use and maintenance SR 50 ASK FOR GENUINE SPARE PARTS ONLY NOTE ...

Page 101: ...101 use and maintenance SR 50 ASK FOR GENUINE SPARE PARTS ONLY NOTE ...

Page 102: ...102 use and maintenance SR 50 ASK FOR GENUINE SPARE PARTS ONLY NOTE ...

Page 103: ...103 use and maintenance SR 50 ASK FOR GENUINE SPARE PARTS ONLY NOTE ...

Page 104: ... p a wishes to thank its customers for the purchase of this vehicle Do not dispose of oil fuel polluting substances and components in the environment Do not keep the engine running if it isn t necessary Avoid disturbing noises Respect nature ...

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