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DERBI GPR50-R
(de 1997 à 2003)
manuel du propriétaire
(EN ANGLAIS)

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Table of Contents
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Summary of Contents for NACIONAL MOTOR DERBI GPR50-R 1997

  • Page 1 DERBI GPR50-R (de 1997 à 2003) manuel du propriétaire (EN ANGLAIS)
  • Page 4 Thus atmosphere can You contribute to the conservation of medjo. On his style to lead it also depends the fuel consumption and, therefore, the level of emission of polluting agents of his moped. Also, the way to treat vehiculo influences in the level of noises and the wearing down of the same one.
  • Page 6 49 - 50 ESPECIFICACLONES Table of technical specify-clones, index 51 - 56 Due to his criter it of constañ improvement in their products, DERBI - NACIONAL MOTOR, S.A., reserves the right to introduce the modifications that create opportune, without previous warning.
  • Page 7 IDENTIFICACI ONES Location of the number of motor. the number of motor is recorded in the leaves superior from left Body (2) Location of the number of the frame the number of the frame is recorded in the accept right of the tube of frame (1)
  • Page 8 LIAVES AND INDICATIONS Keys With moped the two are given haves that is used indifferently for the lock as contact covers tank gasoline and access tank of expansion and oil. ATTENTION For Ilamar the attention of the reader on important points indications are used sigujen-tes: “observation”, “uyIIavisoIl precaution...
  • Page 9 INSTRUMENTS AND CONTROLS 1. - Control to starter (choak) 2. - Control Engages (clutch) 3. - Commutator intermittent lights (signal) and horn 4. - Ignition Lock 5. - Tablier (tachometer) 6. - the tank liquido front brake 7. - Control front brake 8.
  • Page 10: Table Of Contents

    INSTRUMENTOS - CONTROLS AND SWITCHES Panommica to tablier and controls This CAP ftulo contains one descripcidn detailed of all the instruments and controls of special interest for the usuado one. Index of capftulo Pages Tablier Switch lights and starter button Commutator lights, intermittent and pulser horn Control front brake...
  • Page 11: Tablier

    TABLIER (1) Indicator signal (2) Indicating oil reserve (3) high beam Indicator (4) Temperature indicator (5) Revolution counters (Tachometer) (6) Speedometer (7) Odometer...
  • Page 12: Switch Lights And Starter Button

    SWITCH LIGHTS AND START BUTTON Interrupto rluces Located in the right side on dull left, lights off (1) right, no lights Motor in march, lights on Pulser starts Pulser starts in the right side of the handlebars (2). To press it in continued form until the motor starts up.
  • Page 13: Commutator Lights, Intermittent And Pulser

    COMMUTATOR LIGHTS, INTERMITTENT & PULSER horn the horn is located in the E left side of the handlebars (3) Commutator lights Located in the left side of handlebars (1) high beam low beam These lights do not ignite If before engine starts it has not been put of in cendido On guard the control of the switch lights and the motor in runs.
  • Page 14: Horn Control

    CONTROL FRONT BRAKE AND GAS Control front brake Located in the accept right of the handlebars (1). To put special attention in the always trying to avoid the blockade of the rolls. Control the gas - Located in the right side of handlebars (2). With the rotation inwards of the empunadura the is obtained opening of the trottle of the carburetor.
  • Page 15: Ignition Key Lock

    IGNITION KEY Lock of contact Position of the have - Motor unemployed and with blocking. - Position takes motor. - Ignited Lights (motor in march) - to block the direction, completely turns the handlebars towards right the left. Press the Ilave downwards leaving returns to its place, and despu~s g(rela until the position ~ and extra igala.
  • Page 16: Order Engages Of The Slutch

    CONTROL OF CLUTCH AND CHOAK Control of clutch and the maneta of the clutch control is located in the accept left of mani-rolling (1). Tightening thorough maneta happiness against the handlebars, eI becomes disconnected engages the clutch, releasing to engage the transmission of the motor.
  • Page 17: Control Back Brake

    CONTROL BACK BRAKE Control back brake the pedal of control of the back brake, is located in the leaves from the cycle, ~ right motor, to the height of the motor (2). Mind must be ~ driven with the end of the gradual foot.
  • Page 18: Handle Of Shift Gear

    GEARSHIFT the gearshift is located in left side of the motor (1) It is driven with the foot and it must be accompish with decision towards enguage of the clutch. After to have carried out the change of gears, return the foot of the pedal, which will retake to its primitive position automatic Starting off of the deadlock, the the marches introduces of the following ‘...
  • Page 19: Gasoline Faucet Switches

    THE GASOLINE FAUCET is located in the left side of vehiculo (1). It has three positions: ON - Abierto OFF - Closed RES - Reserve He is advisable to close the gasoline faucet when the motor is stopped.
  • Page 20 EQUIPMENT AND DEPO ACCESSORIES silo gasoline, oil and coolant GO Equipment and accessories This CAP ftulo contains one descripcidn detailed of the depdsito gasoilna, cooling lfquido oil and. Index of capftulo Pages Gas tank Oil tank Tank cooling...
  • Page 21 THE TANK OF GASOLINE Gas tank to accede to the cork of the gas tank (2) is necessary to unblock the cerra- lasts (1) placed behind sill in of the pound - to. the gas tank has a layer store of 7.250 liters and one reserve of 1.700 liters. When refuelling, is advisable that car- burante does not go beyond limits inferior of the load mouth, making sure siem- pre that once finished to the operation, the cork is well spiral.
  • Page 22 THE TANK OF OIL AND THE TANK OF COOLING Tank the of cooling oil tank The to access to the oil tank (4) and the tank of the eliminate coolant (3) is to unblock the placed lock (1) in front of the saddle of the pilot and to raise the storage cover .The oil tank has - a capacity of 0.730 liters and one to reserve 0,180.
  • Page 23 STARTING, CONDUCTION AND RUNNING This cap(tulo deals with the system the starting, practicos aspects of conduction and running. Starting, conductlon and running Procedures suggestions and Index warnings of capftulo Page Engine start-up Instructions for a correct conduction running Instructions for the break-in Advice who extend the life of their moped...
  • Page 24 ENGINE START-UP Instructions for the beginning of the motor - To introduce the have of ignition in the ignition and to turn it to run position - To open faucet of the gas tank. - If the motor is cold, to tighten the choak. - To push the start button to maintain it pressed until the motor starts up to the first attempt.
  • Page 25 CONDUCTION Instructions for a correct conduction. - the technique of the good to lead, is the art that allows to remove maximo yield from vehiculo without forcing its mecanica. Our experience allows aconsejade us: Precaution! - to introduce the speeds, to drive with the foot the handle of camblo siluada to left the of the motor, the time that presses maneta the of clutch (left) and a little gas is cut.
  • Page 26 BREAK-IN Instructions for the running OBSERVATION: - -the duration and yield of their moped depend in much on the treatment that receives during the period of running. During this period, the movable pieces that form the totality of their mechanisms, are smoothed, adapting an a others until their perfect connection.
  • Page 27 ADVICE OF EXTEND THE LIFE Advice who prolonged the - life of their moped. - it does not maintain gas to top during long time. - Always take the motor in that point (3/4 of gas) in which always it can give something more and It will save gasoline - To the gas will extend to the life of the motor to restrain closing.
  • Page 28 MAINTENANCE the Technical attendance and preventive measures Maintenance Index of capftulo page Injection oil Lubrication Filtro air 29 - 31 Carburetor Spark plug 33-34 Lubrication and lubricates Admission by Iáminas Regulations Tension chain Caracterfsticas of the disk brake Maintenance brakes Nose light Lamps Light Pressure of the tires...
  • Page 29: Injection Oil Lubrication

    INJECTION OIL injection Oil lubrication This model has a system of injection oil lubrication, formed by the tank of the oil, located next to the tank of the cooling Iíquido and the booster pump, located in the covers of yje right Body. the tank, with capacity of 0.730 liters has a reserve indicator that ignites the reserve informer oil located on the...
  • Page 30: Filtro Air

    AIR CLEANER Cleaning air cleaner If the foams has obstmido with dust, will au-Imentará the resistance of admission with a lost resultant of power output and an increase in the fuel consumption. It is recommended to clean the skims each 2,000 km in - agreement to the sigulente procedure: - Clearing the four screws (1) and the eight screws (2) that fix the carroceria back.
  • Page 31 AIR CLEANER - Clearing the front screw (3) that fixes the deposits oil, coolant in the tank of the fuel. - the Relaxes clip (4) that fixes the sleeve to the carburetor. - the Extracts box of filter (5) of the connections in the frame.
  • Page 32 AIR CLEANER OR - Once it has the foams clean, montela If Iguiendo the inverted order of disas- sembling. PrecaucionI - Before and during the cleaning the examines meticulously skims filter air, If it sees that he is deficient, must replace it p&r one new. - If it leads by dusty highways, it must clean the skims filter more frequently air.
  • Page 33: Carburetor

    CARBUREDOR Carburetor A carburetion without problems is with a good engine efficiency. the carburetor has been fit in fábnca to offer the better carburetion. It does not try to alter this adjustment. OBSERVATION: Peribdicamente is advisable to make a cleaning of the carburetor, using gasoline lrmpia and air to pressure of ideling Regulation of ideling Regulation sta operation must be made with the hot motor, deadlock and...
  • Page 34: Spark Plug

    SPARK PLUG - to accessed to spark plugs of the pilot is necessary to unblock the lock (1) placed Idel ahead and to raise the covers of the compartimiento portacasco. - Clearing the three screws of the bottom of the compartment portacasco and extracts the same one.
  • Page 35 SPARK PLUG Spark Plug Marks of spark plug: NGK B1O ES Periodically disassembles to spark plug, cleans the electrodes and observes its wearing down. Verify that the separation of the electrodes is of 0.5 mm using a caliber of thicknesses for spark plug.
  • Page 36: Lubrication And Lubricates

    LUBRICATION AND LUBRICATES Lubrication and lubricates periodically To verify the oil level of camblo. In order to control to change the oil, it disassembles the right semi-fairing. If the level is low, it extracts the cork of lIe-the swim located upon Body right and anada oil of the recommended one. Each 6.000 km to completely replace the oil of camblo.
  • Page 37: Admission By Iáminas

    ADMISSION BY THE YOU MINE AND REGULATIONS Admission by the mines Each 6.000 Kms. to verify the adjustment of you laminate them since they must be well united and fixed to the support valve admission. To review once verified the adjustment of amines the possible wearing down that could exist between you laminate and the Support valve admission.
  • Page 38: Tension Chain

    TENSION CHAIN Tension chain Each 1,500 km is necesary to control the tension of the chain and, If outside to necesary it, to fit it and to lubricate it. the chain is regulated perfectly when, putting the moto vertical and unloaded, is in the demonstrated conditions segun the drawing.
  • Page 39: Caracterfsticas Of The Disk Brake

    CHARACTERISTIC OF THE DISK BRAKE Caracterfsticas of the disk brake the compared disk brakes with those of drum have the following characteristics and advantages: - the heat evacuation of the supeificies of friction is very effective, since the discs turn in direct bonding with the air. For this reason always we have a capacity of stable braking, even using the brake repeatedly at high speeds.
  • Page 40: Maintenance Brakes

    MAINTENANCE DISK BRAKES the eliminate of brake: Periodically to verify the level of the lfquido tank of of brake. To replace it of being to ne-cosar it with the eliminate hidraulico Brake fluid DOT 4, never mixes different new and old do liquidos. With oil deposito abiorto not aprioto the handle on surface, do to contrar it podna to dorramar ol the eliminate and ste to dotoriorar the painted suporficios and the cristalos.
  • Page 41: Nose Light

    HEAD LIGHT Direction of the light Gompruebe periodically the orion-tacion do the Iuz of the light do manora the quo under indicates next: - 10 meters puts ol do vertical distance do one parod; - asegu rose do quo the land well is made level and do quo the optical axis of the light is perpendicular to the wall;...
  • Page 42: Lamps Light

    LAMP LIGHT - to change to the Iampara of the light, it disassembles the Icapuchon of rubber (1) of protection of lamp — you stop. - Clearing porta lamparas towards left and extra the igalo of the optical group. - to remove to the Iampara from portalamparas it inwards does ~ pressure and girela towards left the - Efectue the substitution and comes from inverse way to return to mount.
  • Page 43: Pressure Of The Tires

    PRESSURE OF THE TIRES Pressure of the tires a pressure different from the senalada in this section can be reason for defects in the conduction of vehiculo. For that reason controlling turns out very advisable and to correct these pressures frequently. OBSERVATION: the correction of the presibn of inflation hara only when the neumaticos esten cold.
  • Page 44: Control The Eliminate Coolant

    CONTROL THE ELIMINATE COOLANT Control the eliminate retrigerante Each 1,500km after long trips is due to control with the motor in cold, the level of the eliminate of refrigeration, that must less locate in the half of the expansion tank. In case of contrar it, it completes the tank.
  • Page 45: Battery

    BATERIA AND FUSE Instructions of assembly of the batterie - the Unblocks lock placed ahead of storage of the pilot and raises the covers compartment portacasco. - Clearing the three screws of the bottom of the compartment portacasco and extracts the same one. - battery in its lodging Places the and connects the RED cable to (+) and the BLACK (-).
  • Page 46: Fuse

    BATERIA AND FUSE - One battery a contains acid sulfu rich. Avoid the contact with the skin, eyes and clothes. PRECAUCI6N! When recharging intensity of maximo 0.5 + 1 will not have to be exceeded the Amperes hour, because destruirfa the baterfa. Change of the battery it If there were to change batena the, habrfa that to make it by another one of equal capacity and 12V.
  • Page 48: Cleaning

    CLEANING Cleaning the general maintenance of its moped is simple. If besides to fulfill the instruc- tions given in this book, they clean his moped periodically, the yield will be to davfa superior. - For the enameled painted surfaces and of plastic IT NEVER USES gasoline, petroleum etc.
  • Page 49: Conservation In Long Periods Of Inactivity (Storage)

    CONSERVATION IN LONG PERIODS DO INACTIVITY Conservation of the moped in perfodos lengths of inactivity - general Cleaning and drying. - To drain the cooling liquido oil, gas tanks. - To drain the oil of the motor. Not to place the drained cork of, in its place to cover with a clean rag.
  • Page 50 POSSIBLE LOCATION OF TROUBLESHOOT In this CAP ftulo descdbe the way to locate and to repair to pequenas anomalfas. Index of capftulo page Abnomal ace in route...
  • Page 51 ABNORMAL IN ROUTE (TROUBLESHOOT) Anomalla in route. It is not probable that a bike in route appears If the moped well is conserved and it has been dealt with the taken care of had one. If, however, it can appear in a while given, that vehfculo stops abruptly and there is no form to put it in run.
  • Page 52 SPECIFICATION In the following pages of this CAP to the engineering specifications and Index are described. Index de capítu page Technical Characteristics 52 - 53 - 54 Index...
  • Page 53 CHARACTERISTICS TEONICAS MOTOR the number of cylinders a cylinder of aluminium with inner covering of nickel and silicon carbides. Cycle 2- stroke. Bore and stroke 39.88 x 40mm Rolled c.c. 49.94 c.c. Compression ratio..11,5:1 Direction of rotation lzquierdo flying side magnotico Refrigeracion of the motor By the eliminate coolant - water coolant Carburatane...
  • Page 54 TECNICAS CHARACTERISTICS GEAR OF SPEEDS the number of speeds Selector Selector with bracket and distributing drum driven by outer selector Relations I Gear 11/34 Speed II Gear 15/30 Speed Ill Gear 18/27 Speed IV Gear 20/24 Speed V Gear 22/23 Speed VI Gear 23/22 Speed SECONDARY TRANSMISSION...
  • Page 55 TECNICAS CHARACTERISTICS ILLUMINATED Nose light 12V. 25/25 W. Faro back pilot-light piloto/stop 12V. 21/5 W. Intermitentes 12V. 10W. CHASSIS Chassis Type of two beams of tubes of prismatica steel section of high resistance. Front suspension SHOWA hydraulica inverted Bracket of centered axis. Tilted back suspension GAS monoshock progressive link with a hydraulico shock absorber adjustable power station...
  • Page 56 TECNICAS CHARACTERISTICS DIMENSIONES Length overall 1,900 mm. Wheelbase 1,315 mm. Width (in the handlebars) 600 mm. Maximum height 1,135 mm. Height of the lowest point to the ground 125 mm. Height sill in 770 mm. BENEFITS Maximum Power 8.00 CV. to 8,750 r.p.m. Speed maximum and maintained 45 Km/h.
  • Page 57 INDEX Separated Lubrication Personal Data Air Filtro 29-31 Controls Carburetor Identifications or Liaves Spark plug 33-34 Indications Lubrication and lubricates Instruments and controls Admission by you laminate Tablier Regulations Interrupter lights and pulser Tension chain Control intermittent lights, Caracterfsticas of the disc brake 38 horn and Control Maintenance disc brakes front brake...

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