KYMCO ZX 50 User Manual
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KYMCO ZX 50 User Manual

Kymco zx 50 motorcycle user‘s manual
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Dear KYMCO Motorcycle Users:
Before the delivery of each new motorcycle, the fuel in carburetor is
drained off to ensure the excellent performance and safety of the
motorcycle. Therefore, when first starting a new motorcycle, it is
normal to take 20～30 seconds. The quality of each KYMCO
motorcycle is guaranteed.

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Summary of Contents for KYMCO ZX 50

  • Page 1 Before the delivery of each new motorcycle, the fuel in carburetor is drained off to ensure the excellent performance and safety of the motorcycle. Therefore, when first starting a new motorcycle, it is normal to take 20～30 seconds. The quality of each KYMCO motorcycle is guaranteed.
  • Page 2 Dear Users: ZX 50 We greatly appreciate your patronage of KYMCO This User‘s Manual describes the correct operating methods, inspection and ZX 50 maintenance procedures for the KYMCO in details in order to prolong the service life of motorcycle and provide you with a comfortable riding.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. PRECAUTIONS FOR A SAFE RIDING..............1 2. ASSEMBLY PARTS....................3 3. OPERATION INSTRUCTIONS................5 4. PRE-RIDE INSPECTION..................10 5. ENGINE STARTING METHODS ................. 18 6. NORMAL RIDING METHOD................21 7. PRECAUTIONS FOR RIDING ................23 8. HOW TO STOP RIDING ..................26 9.

  • Page 4: Precautions For A Safe Riding

    . PRECAUTIONS FOR A SAFE RIDING (1) CLOTHES To relax and wear comfortable clothes are the main points for a safe riding. To observe traffic laws, keep a cool mind, relax and be careful will provide you a safe riding. Wear helmet and fasten it tightly.
  • Page 5 (2) RIDING METHOD The safety of two-wheel vehicles is influenced by sitting position. The rider should sit on the central part of the seat cushion. If the rider sits on the rear part of the seat, the load of front wheel will decrease.

  • Page 6: Assembly Parts

    . ASSEMBLY PARTS Passing Signal Switch Turn Signal Switch Headlight Dimmer Helmet Buckle Switch Rear Brake Lever Battery Taillight/ Stoplight L. Front Turn Signal Light Seat Lock Frame Serial No. Air Cleaner Kick Lever Engine VIN (Vehicle Serial No. Identification No.) - 3 -...
  • Page 7 Headlight Switch Met-in Box Starter Button Fuel Filler Headlight Front Brake Lever Taillight/ Stoplight Front Tool Box R. Rear Turn Signal Light R. Front Turn Signal Light Exhaust Muffler Main Stand - 4 -...

  • Page 8: Operation Instructions

    3. OPERATION INSTRUCTIONS (1) IGNITION SWITCH/STEERING HANDLEBAR LOCK :At this position, power is cut off and the engine stops. The key can be taken out. :At this position, power is connected to start the engine. The key cannot be taken out. LOCK :At this position, the steering handlebar is locked.
  • Page 9 (2) STARTER BUTTON To start the engine, first turn on the ignition switch and then press the starter button. At this time, be sure to fully apply the front or rear brake lever (pedal) in order to connect the power. CAUTION: During engine running, do not push the starter button to avoid engine damage.
  • Page 10 (4) HEADLIGHT DIMMER SWITCH/ PASSING SIGNAL SWITCH Switch to this position for using high beam. When riding in downtown area or there is a car coming from the opposite direction, use low beam to avoid affecting the visibility of coming cars. When passing, continuously press and PASSING release the dimmer switch at the...
  • Page 11 (6) SEAT LOCK/MET-IN BOX To open the seat, insert the ignition switch key into the seat lock and turn it right. Lift up the seat. Max. loading capacity of the met-in box is 10kg. To close the seat, put down the seat and press it down to make it lock automatically.
  • Page 12 (8) INSTRUMENTS MILEAGE COUNTER: The total riding mileage is indicated by kilometer. The figure in black and white is an unit of 100m. MOTOR OIL INDICATOR LIGHT: When the ignition switch is “ON”, it is normal if the motor oil indicator light comes on for several seconds and then goes out.

  • Page 13: Pre-Ride Inspection

    4. PRE-RIDE INSPECTION (1) ADVANCE INSPECTION Get into a good habit of inspection before riding. For the sake of safety and to prevent vehicle damage and traffic accidents, the pre-ride inspection is absolutely required. CAUTION: Be sure to perform inspection and maintenance for your new motorcycle after it is purchased for one month or ridden for 300km.
  • Page 14 (3) BRAKE INSPECTION Ride the motorcycle at low speed on a dry road and respectively apply the front and rear brakes to check the brake performance. The brake lever should have proper free play. Rear Brake ”Free play” means the distance from the position of loose brake to the position of fully applied brake.
  • Page 15 2. CRACKS & DAMAGE Check the tire-contact area for crack or damage. 3. Abnormal Wear Check the tire-contact area for abnormal wear. 4. FOREIGN OBJECTS OF METAL PIECE & GRAVEL Check the tires and tire-contact area for imbedded objects of metal piece and gravel. 5.
  • Page 16 (5) FUEL LEVEL INSPECTION/REFILLING Check if the fuel is sufficient. If the fuel gauge pointer is at “E” (red line), refill with #92 or #95 nonleaded gasoline as soon as possible. Refilling Method 1. Open the seat with the ignition switch key. (Refer to P8.).
  • Page 17 (6) STEERING HANDLEBAR Visually inspect the steering handlebar for damage. Apply the front brake and move the handlebar upward and downward to check for abnormal noise. Move the steering handlebar upward, downward, rightward and leftward to check for any loose parts.
  • Page 18 (8) BRAKE LEVER FREE PLAY INSPECTION & ADJUSTMENT Adjust the brake lever free play with the brake adjusting nuts. After adjustment, fully apply the brake levers and check if the free play is within the specified value (1～2cm). Increase play Decrease play CAUTION: After the brake is adjusted, align the groove of...
  • Page 19 (10) HORN/LIGHTS INSPECTION Turn the ignition switch “ON” and press the horn button to check if it sounds. Headlight/Taillight Inspection: Start the engine and turn on the headlight switch to check if the headlight and taillight are good and check the light shells for dirt and damage. Stoplight Inspection: Apply the front and rear brake levers respectively to check if the stoplight is good.
  • Page 20 (11)FRONT/REAR SHOCK ABSORBER INSPECTION Check the condition of the front/rear shock absorbers by pressing down the handlebar and seat several times. (12) BRAKE PERFORMANCE INSPECTION Fully apply the front and rear brake levers and move the motorcycle forward to see if the braking effect is good.

  • Page 21: Engine Starting Methods

    5. ENGINE STARTING METHODS (1) TURN THE IGNITION SWITCH “ON” Unlock the steering handlebar. Turn the ignition switch “on” CAUTION: Check the gasoline vo Motor lume and Motor oil level before starting the engine. Be sure to erect the main stand while starting the engine.
  • Page 22 (3) USE THE STARTER BUTTON Push the starter button without rotating the throttle grip. If the engine fails to start after the starter button is pressed for 3～4 seconds when it is warm, rotate the throttle grip for 1/8～1/4 turn to facilitate starting.
  • Page 23 START WITH THE KICK LEVER 1. Place the motorcycle on its main stand on level ground. 2. Depress the kick lever with force. When the engine is cold and does not start after the kick lever is depressed for 3～4 times, rotate the throttle grip for 1/8～1/4 turn to facilitate starting.

  • Page 24: Normal Riding Method

    6. NORMAL RIDING METHOD STARTING THE ENGINE Start the engine by referring to the starting methods specified in Section 5. CAUTION: Keep your finger away from the button immediately after the engine is started to avoid engine damage. The rear brake lever should be kept at the braking position before riding.
  • Page 25 (3) CORRECT SITTING POSITION Ride astride on the motorcycle from the left side and sit upright. Touch the ground with left foot to avoid slipping. CAUTION: The rider must wear helmet, gloves and goggles. Do not wear any clothes which will affect riding safety.

  • Page 26: Precautions For Riding

    7. PRECAUTIONS FOR RIDING CORRECT RIDING Before moving, turn on the turn signal light and make sure whether the rear side is safe. Do not rush into the car lanes and always keep the motorcycle to the right to avoid danger. CAUTION: Moderate riding will prolong the engine service life.
  • Page 27 (3) PROPER RIDING WILL PROLONG THE SERVICE LIFE OF ENGINE For a new motorcycle, keep the speed below 40km per hour within the first 1000km of riding. Avoid sudden acceleration and long-time riding at high speed. In hot weather, the engine overheats easily at long-time idling.
  • Page 28 (5) DO NOT MAKE SUDDEN STOP OR SHARP TURN Sudden stop and sharp turn are the main causes for slipping and could be very dangerous. In rainy days the road is slippery. Sudden stop will cause the motorcycle to slip. Be careful to avoid danger.

  • Page 29: How To Stop Riding

    8. HOW TO STOP RIDING (1) WHILE GO NEAR THE PARKING PLACE Turn on the turn signal light in advance. Watch out vehicles coming behind or aside and stop the motorcycle to the right side slowly. Restore the throttle grip to closed position and apply the front and rear brakes as early as possible.
  • Page 30 (3) PARKING Place the motorcycle on its main stand on level ground and do not hinder the traffic. Stand on the left side and grip the handlebar straight with left hand and the side rod or rear carrier with right hand. Then, step down the main stand evenly with right foot and pull the motorcycle backward by force with right hand.

  • Page 31: Easy Maintenance

    9. EASY MAINTENANCE (1) AIR CLEANER INSPECTION AND AIR CLEANER CLEANING & REPLACEMENT Take out the air cleaner and visually check if it is dirty or clogged. 1. Remove the air cleaner cover screws and cover. 2. Remove the air cleaner element. 3.
  • Page 32 (2) FUEL SYSTEM Fuel and Motor Oil Leakage Inspection Check the fuel line between the fuel tank and carburetor for fuel leakage. Fuel tube connector Fuel tank CAUTION: Check and replace any broken or damaged tube connector to avoid breakdown due to running out of gasoline or motor oil.
  • Page 33 (4) BATTERY This model adopts the battery which needs no refilling of distilled water. When cleaning the terminal terminals, remove the screws attaching the battery cover on the floor board and then open the battery cover. When battery terminals are corroded, take out the battery for cleaning.
  • Page 34 (5) FUSE CHANGE Turn off the main switch and check if the fuse is Fuse burned out. When the fuse is burned out, replace with a specified fuse. Check for the cause of breakdown before replacing. Fuse Specification: 7A CAUTION: The fuse box is opened by rotating its cover.
  • Page 35 (6) TRANSMISSION GEAR OIL Check the transmission gear oil tank for leakage. 1. Place the motorcycle on its main stand on level ground. After the engine stops for 2～3 minutes, remove the gear oil check bolt to check the oil level.
  • Page 36 (7) SPARK PLUG INSPECTION Check the spark plug side electrodes for wear. Fouling deposits on spark plug electrodes and big gap may result in weak spark. Spark Plug Removal: 1. Remove the spark plug with a spark plug remover. 2. The installation sequence is the reverse of removal.
  • Page 37 (8) BRAKE FLUID LEVEL INSPECTION /REFILLING Remove the 2 screws from the brake fluid tank and take off the cover. Add recommended brake fluid DOT-3 into the tank until the fluid level reaches the upper limit and then put on the cover and tighten the screws. Recommended Brake Fluid: DOT-3 CAUTION: Do not mix brake fluid of different brands.

  • Page 38: Important Notices

    Is the way to start the engine correct? Is there any other faulty parts? (2) IN CASE OF BREAKDOWN For any trouble occurred during riding, go to a KYMCO distributor or service station for inspection. CAUTION: For the sake of safety and to prevent vehicle damage and save your precious time, the pre-ride inspection is absolutely required.
  • Page 39 (3) POLLUTION-FREE PERIODIC MAINTENANCE SCHEDULE In order to have a safe riding, maintain good performance, prolong the motorcycle service life and reduce pollution, make sure to perform the periodic inspection and maintenance. I: Inspect and clean, lubricate, refill, repair or replace if necessary. A: Adjust C: Clean R: Replace T: Tighten Regular Service Mileage (KM) Daily Pre-ride...
  • Page 40 (4) SPECIFICATIONS 2-stroke single Engine Type Overall Length 1883 mm cylinder Displacement 49.4cc Overall Width 690 mm Bore x Stroke 39x41.4 mm Overall Height 1085 mm Compression Ratio 7.31 Dry Weight 86 kg Max. Output 3.6 kw/rpm Wheel Base 1307 mm FR:110/70-12 Max.

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