Mash Fifty 50CC User Manual
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Mash Fifty 50CC User Manual

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Summary of Contents for Mash Fifty 50CC

  • Page 1 User manual...
  • Page 3 Congratulations! You are the happy new owner of a MASH which embodies a new spirit, a new trend : a motorcycle with a look and a philosophy "Vintage", synonymous of freedom. Please read this manual thoroughly before using your MASH.
  • Page 4 Important Cautions About running-in of a motorcycle The first 1000 km operation is very important in the entire service life of a motorcycle. A correct running-in can guarantee both the longest service life and the best performance of the vehicle. Running-in can polish machined surfaces and form smooth engagement.
  • Page 6 There are some differences among various models. For any unconformity between your vehicle and the instruction manual, the real vehicle shall prevail. Foreword Thank you for your choosing our motorcycle. In design, development and manufacture of the series motorcycle, our company applies the latest advanced technology and equipment to provide you with a motorcycle that is reliable in performance, novel in design and elegant in appearance.

  • Page 7: Table Of Contents

    Contents Specifications Fifiy........................8 Chapter 1 User Instructions .................... 09 Chapter 2 Installation Position of Parts ................11 Chapter 3 Control Part ....................12 Chapter 4 Instructions on Fuel and Engine Oil ............... 23 Chapter 5 Running-in of New Motorcycle ..............25 Chapter 6 Inspection before Driving ................

  • Page 8: Specifications

    SPECIFICATIONS Mash Fifty 50 cc Engine type Single cylinder 4T, Air cooling Engine capacity 49cc Compression ratio 9.0:1 Idle speed 1450 trs/min Power max 2.1 Kw à 6800 trs/ min Torque max. 3.1 N.m à 5000 trs/ min Ignition Speed max.

  • Page 9: Chapter 1 User Instructions

    Chapter 1 User Instructions Instructions on safe driving of motorcycle There should be a condition for the motorcycle to serve your well. The condition is paying attention to safety at any time. Therefore, you must observe the traffic laws and follow the six points below. Wear safety helmet Safe driving starts from wearing a safety helmet.
  • Page 10 Position of serial numbers Chassis number (or VIN code) Engine number Position of metal nameplate Chassis number (or VIN code) and engine number is necessary for registration of your motorcycle. Such numbers are needed with order components or service, to allow the distributor to provide you with better service.

  • Page 11: Installation Position Of Parts

    Chapter 2 Installation Position of Parts Handle bar instrument Ignition Speedometer Rearview switch mirror Front brake Clutch grip grip Left Right Accelerator handlebar handlebar switch switch Left side Carburetor Fuel tank switch Front Rear wheel wheel Rear footrest gear lever Air filter Right side Battery and...

  • Page 12: Chapter 3 Control Part

    Chapter 3 Control Part Two keys are provided. Please use one key and put the other in a safe place for future use. Instrumental panel Speedometer Fifty euro 4 1. Reset counter 2. Tachymètre : Miles, Km/h 3. General Odometer Indicates the total distance traveled by the motorcycle since its first use.
  • Page 13 Lights in neutral. 9. Engine light If this indicator light comes on at the meter, it is necessary to go to an authorized Mash dealer to make a diagnosis. Ignition switch FIG. 1 There are four types position as showed in following sketches OFF Position All circuits are disconnected and the key can be removed.
  • Page 14 Warning Before turn the key to position, park the vehicle with its side stand or central stand in a firm way. Warning If the handlebar is locked, the motorcycle is never pushed any longer; otherwise you will lose balance. Left handlebar control system 1.
  • Page 15 Warning Whenever you are going to change lane or make a turning, timely turn ON the turning signal lamp. After lane change or turning, timely turn the signal light OFF. 4. Choke To facilitate starting, the vehicle is equipped with a choke. To start when engine is cold, use the choke lever.
  • Page 16 5. Horn Button Press « » button and the horn will sound. Right handlebar control system 1. Engine shutdown switch The switch is a rocker switch, located on the tip of right handlebar control panel, with the rockshaft at the center of the rocker. When it is pressed in "...
  • Page 17 Warning The starter motor shall be operated not more than 5 seconds. Heavy discharge may cause overheat to circuit and starter motor. If starting is failed after several attempts, stop to check the fuel supply system and starting circuit (refer to "Troubleshooting"). 4.
  • Page 18 (1) Fuel nevel (2) Filler Precaution Do not fill the tank excessively. Never splash fuel to hot engine. No fuel shall be left on the upper part of the filler, or the fuel may overflow when fuel temperature rises and expands, causing hazard. During fuel refilling, shutdown the engine and turn the key to OFF position.
  • Page 19 Warning When the transmission is in neutral position, the neutral indicator lamp is lit on the instrument board. Despite the lamp is lit, be careful to release the clutch grip slowly to make sure if the transmission is really in neutral position. When engaging into a low gear during high speed driving, the engagement of clutch may make a sudden increase in engine speed.
  • Page 20 Warning If you park the vehicle on sloped ground, please let it head higher direction to prevent it from sliding down. For the sake of driving safety, before setting out, please make sure that stands are return to upper position and they don’t loose and swag. Fuel cock Fuel cock on carburetor Fuel cock under fuel tank...
  • Page 21 Rear shock damper Spring adjustment The shock damper springs of rear wheel can be adjusted according to the payload, driving mode and road conditions. The adjustment can be one of the five stages. Park the vehicle on its central stand or side stand and turn the spring tension ring to the required position.
  • Page 22 Tool kit. The tools box is behind the right side cover.

  • Page 23: Instructions On Fuel And Engine Oil

    Chapter 4 Recommendations for fuel and engine 1. Fuel Warning Gasoline is inflammable and explosive. When handling gasoline, attention should be paid to prevent burnt or accident. ● In places where gasoline is stored or handled, shutdown the engine, do not smoke, and keep away from naked flame or spark.
  • Page 24 A P I Haute Degré de viscosité Faible T e m p e r a t u r e C° -30 -20 -10 0 10 20 30 40 The use of SAE5 10W-30 4-stroke lubricant is recommended. Note : Lubricant shall be replaced at 1000km or about one month for the first time, every 3000km thereafter.

  • Page 25: Running-In Of New Motorcycle

    Chapter 5 Engine break-in of new motorcycle The importance of correct new vehicle break-in was mentioned in Foreword. The correct break-in method is as follows. It is very important to perform the engine break-in. Any use without engine break-in will cause serious damage or problems. A.
  • Page 26 life. This also helps the engine to warm-up sufficiently. First maintenance inspection The maintenance of the first 1000 km is the most important. During break- in period, all engine parts have been run-in and other parts engaged. Then, all parts shall be adjusted, all fasteners be tightened, contaminated engine oil be replaced and filter element be replaced.

  • Page 27: Inspection Before Driving

    Chapter 6 Inspection before Driving Before driving, make sure to carefully check the following inspection items. Never ignore the importance of the inspections. Contents Purpose Smooth Free steering Steering handlebar No loose Operate all lamps -- head light, tail light, brake light, instrument Lighting board lighting lamp, turning signal lamps Transmission oil...

  • Page 28: Essentials Of Driving

    Chapter 7 Essentials of Driving Precaution If it is the first time for you to drive this type of motorcycle, you are advised to practice on a road away from highways, until you have completely been familiar with the control and operation of the vehicle. Before driving, make sure that the side stand is returned to the uplift position.
  • Page 29 Note : After engine ignition, immediately release the starting button, to avoid adverse effects to the engine. If the engine is not started after 5 seconds, wait for 10 seconds before making another attempt to prevent damaging the battery. In case of failure in engine starting after two or three attempts, rotate the accelerator grip for 1/8 or 1/4 turns and try again.
  • Page 30 Start driving the motorcycle Precaution Start the engine with the transmission in neutral position, the clutch engaged and driver riding in normal driving position. Firmly press the clutch grip, wait a little moment, press down the gear lever to engage the first gear, rotate the accelerator grip slowly to you and smoothly and slowly release the clutch grip.
  • Page 31 Use of brake and parking method Rotate the accelerator grip outward to fully close the throttle. At the same time, apply the front and rear brakes with even forces. Use gear shifting to slow down. Before the motorcycle is stopped, firmly press the clutch grip, shift into neutral gear and observe the neutral indicator to make sure the neutral gear is engaged.

  • Page 32: Inspection And Maintenance

    Chapter 8 Inspection and maintenance The following table shows the interval of regular maintenance in travel distance or number of months. At the end of an interval, be sure to carry out the specified inspection, lubrication and maintenance. If your motorcycle is used with heavy loads, such as high power driving in a dusty environment, the maintenance shall be carried out more frequently.
  • Page 33 * Cylinder head nut and exhaust pipe bolt Caption : Inspection : I Tightening : T Replace : R Cleaning Note that the maintenance interval is 3000 km. Do not forget to certify them in the manual provided by your MASH dealer...
  • Page 34 Lubrication Table Interval Every 6000 km or 6 months Every 12000 km or 12 months Item Accelerator wire Engine oil or (1) Engine oil or (1) Clutch wire Engine oil or (1) Engine oil or (1) Speedometer wire Grease (2) Driving chain Lubricate every 1 000 km (3) Brake cam shaft...
  • Page 35 Before using, fill electrolyte to a level between the upper and lower limits. During using, the fluid level must be kept between the upper limit and lower limit. Warning Once the battery has been in use, no diluted sulfuric acid shall be added. If the fluid level drops below the lower limit, fill distilled water to the upper limit.
  • Page 36 2. In case that electrolyte gets in eyes, immediately wash the eyes with plenty of clear water for at least 15 minutes, before going to hospital. 3. In case that electrolyte is drunk, drink a large amount of water or milk, and then milk or vegetable oil containing magnesia.
  • Page 37 Spark plug After the first 1000 km and every 3000 km thereafter, clean off any carbon deposit from spark plug by using a small steel wire brush or a spark plug cleaner. Readjust the spark plug gap with a thickness feeler to keep it between 0.6 - 0.8 mm.
  • Page 38 Vérification engine oil 1. Fil cap 2. Porthole Level maxi Level mini Warning Engine oil ruler shows the oil level. When oil level is low, never start the engine. Fill oil until the oil level is just below the upper limit of oil window Replacement of engine oil Replace engine oil the first 1000 km and every 3000 km thereafter.
  • Page 39 3. Remove drain plug from strainer cover on the engine bottom to drain oil. 4. Tighten the oil drain ring and fill fresh engine oil into the oil filler, before gently tightening the top cover. Note : Always check the oil level to make sure the oil quantity is correct. 5.
  • Page 40 Brake There are two types of brake for the front and rear brake of the motorcycle, i.e., drum brake and disk brake. Check the brake after first 1000 km and every 3000 km thereafter. Correct braking operation is very important to safe driving. Be sure to carry out regular inspection of brake system by qualified distributor.
  • Page 41 Warning : Disc brakes are part of a high-pressure system. For your safety, the replacement interval and hydraulic oil should not exceed the interval specified in the maintenance schedule of the manual. Brake fluid Warning It is harmful if brake fluid is drunk by mistake or contacts the eyes or skin.
  • Page 42 Brake lining The essential of checking the front wheel brake lining is to see if the lining is worn to the limit mark. If wearing exceeds the mark, the brake lining shall be replaced with a new one. Warning Do not drive immediately after replacing a new wheel disk brake lining. Press the braking grip for several times to allow the brake lining fully extended, the grip spring force restored, and the brake fluid is circulated smoothly.
  • Page 43 Front brake light switch The switch of front brake light is located below the brake grip. Loosen the screw and move the switch position back and forth to find a proper point so that the lamp is lit immediately when pressure is applied but before the grip is fully pressed.
  • Page 44 When having brakes issues, please contact your MASH dealer. The motorcycle is provided with brake lining wearing limit indicator in the rear brake. To check the wearing of brake lining, do as follows: 1. Check for correct adjustment of the rear brake.
  • Page 45 Rear brake light switch Rear brake light switch is located at the right side of chassis. Adjust rear brake light switch as follows: Lift or lower the switch, so that, when the brake pedal is pressed, the lamp is lit before feeling a pressure.
  • Page 46 Silencer Please keep away from the motorcycle silencer after a long time driving, to avoid being burnt. Fuse The fuse box is located inside the guard board on the right side of the chassis. A fuse is provided for all the electrical system. In case of any trouble to electrical system, check the fuse first.
  • Page 47 Replacement of bulb The rating of bulbs can be found in Chapter 13 Parameter List. Always replace a bulb with a new one of the same rating. Otherwise, overload to electric system and premature bulb damage may be caused. Precaution The head light is generally reflection lamp.
  • Page 48 Air filter If the air filter element is clogged by dust, the output power may reduce and the intake resistance may increase; The fuel consumption will also increase. Therefore, the air filter element shall be checked and cleaned every 3000 km, as follows.
  • Page 49 3. Take out the air filter foamed plastic sleeve shell. 4. Separate the foamed plastic from the outer frame. Precaution • During cleaning the filter element, check for any damage to the filter element and replace when necessary. • Never start the engine without the filter element installed, or the engine wearing may be increased.
  • Page 50 4、 Reinstall the filter in reverse order. Make sure the filter element is firmly fixed in correct position and reliably sealed. Warining : Before and during cleaning, pay attention to check the filter element for any contamination, crack or damage. Replace it with a new one when necessary.
  • Page 51 Adjustment of carburetor idle speed RPM 1. Start the engine and allow it to fully warmed-up without load. 2. Close the accelerator. Rotate the idle adjusting screw to keep the engine running at 1400±100 rpm. Warning Idle speed adjustment shall be carried out while the engine is fully warmed up.
  • Page 52 Warning After accelerator wire adjustment, check the operation of accelerator grip. Engine idle speed shall not increase due to the adjustment, and the grip shall return to the closed position automatically. Adjustment of clutch Clutch adjustment is made through adjusting the tension of wire rope for clutch grip.
  • Page 53 Adjustment of driving chain 1. Adjusting bolt 2. Locking nut 3. Mark 4. Rear wheel shaft nut To adjust : 1、 Park the motorcycle with central stand. 2、 Loosen rear wheel shaft nut. 3、 Loosen the locking nut. 4、 Rotate the adjusting bolt left and right to adjust the chain. Note : When a new chain is installed, it is necessary to check both chain wheels.
  • Page 54 20 - 30 mm Precaution The open end of driving chain connection clip shall point away from the direction of rotation. 1.Chain connector clip 2. Direction of rotation Cleaning and lubrication of driving chain Dirt on driving chain may intensify the wearing of driving chain and chain wheels.
  • Page 55 Pressure 125cc : Front- 1,80kg / Rear - 2,00 kg When driving a motorcycle with over-worn tires, the driving stability is low and it may get out of control. When the depth of front wheel tread pattern is reduced to 1.6 mm or less, it is advisable to replace the cover tire. When the tread pattern of rear wheel is reduced to 2 mm or less, replace the tire with a new one.

  • Page 56: Measures To Reduce Pollution

    Chapter 9 Measures to Reduce Pollution To reduce exhaust emission and noise pollution, please follow the several points below: Use special purpose lubricant Use unleaded gasoline 95 or 98 Do not use fuel E10. Observe any abnormal engine noise...

  • Page 57: Chapter 10 Troubleshooting

    Chapter 10 Troubleshooting If the engine cannot be started, check the following items to locate the cause. 1、 If there is fuel in fuel tank. 2、 If fuel flows from fuel valve to carburetor. 3、 Disconnect the fuel pipe from carburetor and turn the fuel valve to open position.
  • Page 58 Tampering with the vehicle in warranty period may invalidate the basis of warranty. (Refer to the warranty book provided by the authorized MASH dealer.)
  • Page 59 Table of Engine Troubleshooting Trouble Cause Remdy . No fuel in fuel tank . Refueling . Fuel tank valve not opened . Open the valve . Fuel tank valve clogged . Clean fuel tank and fuel tank No fuel in valve carburetor .
  • Page 60 . Slipping clutch . Adjust free play or replace clutch, friction lining and spring . Too tight chain . Adjust tension . Unreleased brake . Adjust brake clearance (Refer to the warranty book provided by the authorized MASH dealer.)

  • Page 61: Chapter 11 Storage And Cleaning

    Chapter 11 Storage Method If the motorcycle is not used for a long time in winter or other seasons, it is necessary to carry out special maintenance with appropriate materials, equipment and techniques. Motorcycle When a motorcycle is not used for a long time, make preparation before storage: Wash the motorcycle, park it with the central stand on a solid and flat ground and prevent it from rolling.
  • Page 62 Steps during storage For conventional battery, check electrolyte level every month. If the fluid level is low, timely replenish it with distilled water or pure water to the highest level mark. (Never use electrolyte or tap water) Battery shall be kept clean. Corrosion may happen if electrolyte is splashed to the vehicle body, terminal or wires.
  • Page 63 Cleaning Frequent and regular cleaning is an essential part for the maintenance of your bike. The exposure to natural elements (sea breeze, sea water, salt road, sludge, dust ...) and anti-slip additives spread over the roads in winter, can be a source of vulnerability for the components of your motorcycle.
  • Page 64 steering column bearings, gaskets, air box, wheel or swing arm bearings, all electrical elements and also the air vents. Water infiltration could damage these elements. After use under normal conditions: clean with lukewarm water mixed with mild detergent using a soft sponge and rinse thoroughly. A damp cloth placed a few minutes on the parts having more stubborn stains and insects, will allow the dirt to take off smoothly.
  • Page 65 The copyright and final power of interpretation of the manual belongs to our Motorcycle Inc. Without prior permission by our company, no part of the manual shall be reproduced, quoted or reprinted. All information, descriptions pictures and specifications in the manual are the latest before publishing.
  • Page 66 Votre revendeur mash-motors.fr...

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