ZONGSHEN ZS125-86 Service Manual

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ZS125-86 Motorcycle Service Manual

First edition (April, 2017)

The copyright of this Motorcycle Service Manual is

owned by Zongshen Industrial Group. The content

and images in the Motorcycle Service Manual are

for reference only. Specifications are subject to the

physical product.

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Summary of Contents for ZONGSHEN ZS125-86

Page 1 ZS125-86 Motorcycle Service Manual First edition (April, 2017) The copyright of this Motorcycle Service Manual is owned by Zongshen Industrial Group. The content and images in the Motorcycle Service Manual are for reference only. Specifications are subject to the physical product.
Page 3 We have the authority to revise this manual without notice. Please understand. Any part of this manual is copyrighted by Zongshen Industrial Group. No entities or individuals shall be allowed to reproduce the manual without the permission of our company, otherwise, investigations will be conducted for criminal liability according to law.
Page 5: Table Of Contents
Contents Chapter 1 Overview ........................1 Section 1 Overview of Complete Motorcycle ..................1 Section 2 General Construction ...................... 2 Chapter 2 Knowledge about Maintenance ..................4 Section 1 Cautions ........................4 Section 2 Common Sense of Maintenance ..................5 Chapter 3 Complete Motorcycle ....................
Page 7: Chapter 1 Overview
Chapter 1 Overview Section 1 Overview of Complete Motorcycle ZS125-86 motorcycles are a model applicable to run on highways developed by the Company. The model is novel in appearance design and easy to operate. It applies a four-stroke ari-cooled engine with a single cylinder, which renders an excellent cooling effect, strong power and good acceleration performance and other advantages.
Page 8: Section 2 General Construction
Section 2 General Construction The motorcycle is mainly composed of running system, steering and braking system, transmission system, oil supply system, electrical system and engine, and other portions, as shown in Figure 1-3. Figure 1-3 General Construction Chart of a Complete Motorcycle [1] Running system [2] Steering and braking system [3] Transmission system...
Page 9 [3.]Gearshift The gearshift changes the rotate speed and drive torque of the motorcycle transmission system and ensures that the motorcycle has the appropriate traction and speed so as to adapt to regularly changing driving conditions. [4.]Rear Transmission Device The rear transmission device transmits the power from the engine to rear whey further reducing the rotate speed and increasing the torque, so as to drive the motorcycle.
Page 10: Chapter 2 Knowledge About Maintenance
Chapter 2 Knowledge about Maintenance Section 1 Cautions Subject to a breakdown, the motorcycle should be sent to an after-sales service station of the Company or a professional motorcycle repair point. Besides, this Service Manual can be referred to for maintenance. As the process of driving may cause components to be loosened and abraded to different degrees, without proper maintenance, the motorcycle may be subject to decrease in power performance, economical efficiency, reliability and security and also a shortened life.
Page 11: Section 2 Common Sense Of Maintenance
Section 2 Common Sense of Maintenance 1. Maintenance Classification According to the broadness of working range and the length of interval time, maintenance work can be divided into overhaul (heavy repair), medium repair, minor repair and unit repair. [1.]An overhaul is a thorough comprehensive repair towards the motorcycle, requiring a complete disassembly, cleaning, inspection, repair or replacement of parts, and assembly and debugging.
Page 12 in gasoline for a few minutes can make the decomposition easier. [10.]Washers and gaskets shall be decomposed meticulously in ways to prevent from damages. 2)Cleaning the Parts Parts having been removed are mostly stained with greasy dirt or carbon deposits. Cleaning such parts favors the maintenance and fitting.
Page 13 a layer of red lead, and the machine element should be ground to match a plate, standard part or finished part. The resulted high points are the objects to be scraped. After repeated grinding and scraping, high points and sub-high points are gradually scraped, so that the scraped element has increased contact points on the surface to form the required shape and achieve the fine fit.
Page 14 Bonding technology is a simple process and requires no special equipment and precious materials. Bonded parts demand no high-precision machining. Due to these advantages, bonding technology is widely used in the manufacture and maintenance process, such as the adhesion of the handlebar and the steering bar, the plastic sign and painted metal parts, the brake pad and the brake shoe, etc.
Page 15 provided later. 4)Adjusting the Electrical Installations The adjustment items of electrical equipment are mainly the headlamp and klaxon. [1.]To adjust the headlamp is to adjust the light irradiation distance by moving up and down the headlamp mounting position. [2.]To adjust the klaxon is to adjust the volume and tone. Generally, the volume of a motorcycle klaxon is set to (95 ~ 105) dB;...
Page 16 Table 2-2: Maintenance Periodic Table Odometer km Maintenance frequency 1000km 4000km 8000km 12000km Fuel system ● Fuel filter ● Control system ● ● Choke cable Air cleaner filter element Spark plug gap ●● Valve lash Transmission chain Storage battery Brake shoe abrasion Braking system ●...
Page 17: Chapter 3 Complete Motorcycle
Chapter 3 Complete Motorcycle Section 1 Fuel Supply System The oil supply system includes a fuel tank, fuel pump, fuel injector, fuel filter and oil tube. 1. Structure and Working Principles of Fuel System [1.]Fuel tank The fuel tank is usually made of a 0.8mm ~ 1.0mm thick steel plate processed through stamping and jointing.
Page 18 2. Demolition and Maintena uel System nce of F [1] The motorcycle fuel tank capacity: 20L. The fuel must be filled in well ventilated and circulated venues away from the sparks and flames. Warning As the fuel is flammable, smoking and open fire Fuel cap are strictly prohibited.
Page 19 [5] Firstly, remove the LHS and RHS side covers and seat cushion. Then loosen fixed bolts on the fuel tank and take out the fuel tank. Detach the fuel tank Warning To let out the fuel, the location must be kept away from fire sources.
Page 20 [9] Check if the fuel pump motor rotates and clean or replace the fuel filter screen. Check fuel pump Suggestion For a motorcycle that has driven for 8000 ~ 10000 Km, a new fuel filter should be installed. 3. Refer to Table 4-1 in respect of damage forms, fault phenomena and common maintenance methods of the fuel system: Table 4-1: Maintenance of Fuel Supply System Component Fault...
Page 21: Section 2 Cooling System
Section 2 Cooling System The engine is an internal combustion engine operating at high temperature. Many parts on the engine are subjected to a considerable heat load, especially the cylinder head, cylinder block, piston, valve and other parts are in high temperature gas state. Improper cooling measures will cause the engine to overheat. Parts withstanding high temperature are easy to burn out, while the interoperable parts will be subject o extremely poor fit clearance due to thermal expansion.
Page 22 Minimum Temperature Mixed Concentration Coolant Distilled Water above -15℃ 30％ 1.2L 2.8L below -16℃ 30％ 2.0L 2.0L 2. Demolition and Maintenance of Cooling System [1.]Selecting the coolant A malfunctioned engine cooling system will cause the engine to overheat, so maintenance of the cooling system is important.
Page 23: Section 3 Efi System
Section 3 EFI System The EFI system assembly mainly consists of electronic control unit (ECU), nozzle, throttle valve body assembly, intake air temperature and pressure integrated sensor, engine temperature sensor, ignition coil, crankshaft position sensor, oil pump assembly, oxygen sensor. The engine EFI management system can precisely control the mixing ratio of air and fuel into the engine cylinder, the combustion process and the exhaust gas con, so as to optimize engine performance, improve driving performance, and strengthen the control of air pollution by exhaust emissions from the...
Page 24 The oxygen sensor mounted on the exhaust pipe of the engine is an important landmark part of the closed-loop fuel control system. The main sensitive material of the oxygen sensor is zirconia. When the zirconia is heated and activated by exhaust gas (300°C), oxygen ions pass through the zirconia element to reach its external electrode.
Page 25: Section 4 Air Intake And Exhaust System
Section 4 Air Intake and Exhaust System The induction system of the motorcycle engine is composed of air cleaner, intake pipe and so on. The main function of the induction system is to guide and filter the air, reduce the noise and control the amount of the gas mixture into the engine.
Page 26 3. Demolition and Maintenance of Induction System [1] Remove the cap screws on air cleaner element and take out the air cleaner element assembly. Air cleaner [2] Check the air cleaner element for excessive dust. Install a new element when there is too much dust.
Page 27 [2] Remove the silencer. Check the muffler for any breakage or damage. A broken or damaged muffler needs to be replaced or re-welded. Muffler [3] Remove the muffler sealing washer. Check the muffler sealing washer for any breakage. A broken Muffler sealing washer muffler sealing washer needs to be replaced or re- welded.
Page 28 5. Refer to Table 4-3 in respect of damage forms, fault phenomena and common maintenance methods of the induction & exhaust system: Table 4-1: Maintenance of Induction & Exhaust System Component Component Fault Motorcycle Fault Damage Form Maintenance Method Name Phenomenon Phenomenon The engine has difficult...
Page 29: Section 5 Evaporative System (Evap)
Section 5 Evaporative System (EVAP) 1. Working Principles of Evaporative System Attach a carbon tank and close the fuel tank. The fuel vapor in the fuel tank can only be connected to the atmosphere through the carbon tank. When the vehicle is at rest, the fuel vapor in the fuel tank enters the carbon tank through the absorption mouth, and is adsorbed in the activated carbon in the carbon tank.
Page 30 2. Maintenance of Evaporative System It is the role of the professional maintenance staff or the company’s after-sales service personnel to maintain the fuel evaporation device in order to eliminate the failure timely, extend the service life, and reduce maintenance costs. Thus the best performance of the fuel evaporator can be guaranteed to achieve the purpose of environmental protection and pollution reduction.
Page 31: Section 6 Rear Driveline
Section 6 Rear Driveline Due to smaller torque and faster speed initially output by the motorcycle engine, it must go through three-level slowdowns so as to improve the engine torque to ensure the proper driving of the motorcycle. For Level 1 slowdown, it goes through the driving gear and driven gear of the clutch; for Level 2 slowdown, it goes through the main shaft and auxiliary shaft of the gearshift;...
Page 32 [3] Check the minor drive sprocket for any abrasion. If necessary, replace a complete set of major and minor sprockets. Minor drive sprocket [4] Remove the fixing bolt on the chain set and take out the chain set. Chain set [5] Detach the snap spring on the transmission chain and remove the chain connectors and the transmission chain.
Page 33 [7] Loosen the lock nuts on the rear wheel axle and remove the rear wheel assembly. Remove the rear wheel left bushing and check it for any abrasion. Left bushing [8] Remove the oil seal of rear drive sprocket and check it for any abrasion.
Page 34 3. Refer to Table 4-4 in respect of damage forms, fault phenomena and common maintenance methods of the rear transmission device: Table 4-4: Maintenance of Rear Transmission Device Component Component Fault Motorcycle Fault Damage Form Maintenance Method Name Phenomenon Phenomenon The transmission chain makes an Replace a complete set...
Page 35: Section 7 Frame And Accessory Mechanism
Section 7 Frame and Accessory Mechanism The main frame is the supporting structure and the main bearing part of the motorcycle. As the motorcycle is subject to strong road impact and vibration when driving, the selected materials and structure are required to have a very high strength and stiffness, and the main frame must be light in weight.
Page 36 [3] Check the motorcycle closure panel for any damage and place it when necessary. Suggestion Check the closure If the closure panel is damaged, it should be replaced. [4] Check the seat cushion for any damage and place it when necessary. Seat cushion Suggestion If the seat cushion is damaged, it should be...
Page 37 3. Refer to Table 4-5 in respect of damage forms, fault phenomena and common maintenance methods of the main frame and accessory mechanism: Table 4-5: Maintenance of the Main Frame and Accessory Mechanism Component Component Fault Motorcycle Fault Damage Form Maintenance Method Name Phenomenon...
Page 38: Section 8 Steering Gear
Section 8 Steering Gear The motorcycle is steered by manipulating the steering bar. The steering bar is connected with the steering column. As the frame stand pipe is centered, the twirl of the steering column drives the front damper so as to steer the front wheel. 1.
Page 39: Section 9 Steel Wire Rope For Control
Section 9 Steel Wire Rope for Control 1. Structure and Working Principles of Steel Wire Rope for Control The steel wire rope for control includes a steel rope, a wire-draw head and a plastic hose with a metal spring, etc. Made of multiple strands of steel wires, the steel rope should be soft and durable and is able to carry a heavy load.
Page 40: Section 10 Damper
Section 10 Damper The front damper is an elastic connecting member between the front wheel and the vehicle body. The rear damper mainly receives the axial force from the rear wheel. They both support the weight of the vehicle body. In the process of driving the motorcycle, dampers effectively and quickly decay the impact and shock from wheels to occupants and buffer the stress on various parts of the motorcycle to extend the service life and improve the riding comfort, operability and stability.
Page 41 [3] Remove the drain bolt on the front damper. Pour out the oil and check if the oil is deteriorated. If the oil is deteriorated, It is necessary to replace the oil. Let out the oil [4] Remove the oil seal and snap spring on the front damper.
Page 42 [7] Apply a caliper to measure the inside diameter of the front damper cylinder. If the diameter exceeds the limit for maintenance, replace the front damper cylinder. Measure the front damper cylinder [8] Remove the return spring on the front damper, and check it for any abrasion.
Page 43 [2] Check if the RHS and LHS springs on the rear damper are consistent in length. Check the springs Rear damper for any crack or damage on the surface. Replace the rear damper if necessary. Caution When rubber parts are damaged, worn or aged, it is necessary to replace new pieces.
Page 44: Section 11 Rear Fork
Section 11 Rear Fork The rear fork of the motorcycle connects the rear wheel with the main frame, and enables the rear wheel to move up and down in a certain range around a fixed point on the frame through the rear damper to withstand the impact and vibration suffered by the rear wheel.
Page 45: Section 12 Wheels
Section 12 Wheels The front and rear wheels are the running parts of the motorcycle, which support the mass of the whole vehicle and ensures a reliable adhesion to the road when driving to prevent slipping. The wheels can mitigate and absorb vibrations and shocks for road reasons. The front wheel together with the steering part of the motorcycle determines the driving direction.
Page 46 [2] If the front wheel is deformed due to vibration or impact, or runs off tracking, or if the steering bar jitters or shakes in the driving, it is necessary to replace or adjust the wheel. Check the Caution front wheel The wheel needs to be replaced when the wheel runs out beyond the limit for maintenance .
Page 47 [6] Place the front wheel on the calibration stand and rotate the front wheel at a high speed. Check the front wheel for any abrasion and the free stroke. Check whether the front wheel bearing is abraded. If it is abraded, it should be replaced. Caution Check the front If it makes a noise or the free stroke is too wide,...
Page 48 [10] Loosen the lock nuts on the rear wheel axle, take out the rear wheel axle and remove the rear wheel assembly. Take out the rear [11] Remove the rear wheel and check the rear wheel hub for any damage. Replace the rear wheel Check the rear wheel hub hub if necessary.
Page 49 3. Refer to Table 4-10 in respect of damage forms, fault phenomena and common maintenance methods of wheels: Table 4-10: Maintenance of Wheels Component Component Fault Motorcycle Fault Damage Form Maintenance Method Name Phenomenon Phenomenon The front wheel runs The front wheel is T h e f r o n t w h e e l i s off tracking, and the R e p l a c e t h e f r o n t...
Page 50: Section 13 Brake
Section 13 Brake Motorcycles often slow down to stop in the drive. This requires the brake on the wheel to exert a force or torque to prevent its rotation, for the purpose of deceleration or parking. For an average motorcycle, the right hand manipulates the front wheel brake and the right foot operates the rear wheel brake.
Page 51 [3] Remove the disc brake friction plate and check the brake caliper piston for its performance. If the Remove the brake brake caliper piston cannot function properly, the friction plate hydraulic brake must be repaired or replaced. [4] Remove the front axle fastening nuts and the speedometer flexible shaft.
Page 52 [7] Apply a micrometer to measure the thickness of the front brake disc. The maintenance limit is: 2.0mm. Caution Measure the thickness of the I f t h e b r a k e d i s c t h i c k n e s s e x c e e d s t h e brake disc maintenance limit of 2.0mm, it should be replaced.
Page 53 [11] Loosen the nuts on the rear wheel axle, take out the rear wheel axle and remove the rear wheel assembly. Fitting nut [12] Remove the rear brake friction plate and check the friction plate for any abrasion. The maintenance limit is: 2.0mm.
Page 54 [15] Apply a dial indicator to measure the runout of the brake disc. The maintenance limit is: 0.3mm. Measure the runout of brake disc Caution If the brake disc runs out beyond the maintenance limit of 0.3mm, it should be replaced. 4 Inspection and maintenance of ABS Determine if ABS works properly: switch on the ignition switch and ABS trouble light (red) should be illuminated to conduct self-testing.
Page 55 Trouble 3: after several attempts to apply the brake, it feels like braking is soft or gone. Cause study: 1. Poor sealing of brake fluid which leads to leakage of brake fluid; 2. Brake system vacuum filling fails. It fails to fill brake fluid with the 2nd circuit of ABS control module; 3. Brake caliper falls off.
Page 56: Section 14 Instrument
Section 14 Instrument The motorcycle instrument shows the operation condition of the motorcycle. 1. Structure and Working Principles of the Instrument [1]Odometer The odometer shows the current speed and the cumulative mileage of the motorcycle. It is driven by the front wheel. The rotate speed of the front wheel passes through the transmission mechanism, via the flexible shaft to the odometer, so that the cylinder rotates.
Page 57 3. Refer to Table 4-12 in respect of damage forms, fault phenomena and common maintenance methods of the instrument: Table 4-12: Maintenance of the Instrument Component Component Fault Motorcycle Fault Damage Form Maintenance Method Name Phenomenon Phenomenon The indicator lamp T h e i n d i c a t o r l a m p T h e i n d i c a t o r l a m p Replace the bulb of...
Page 58: Chapter 4: Electrical Parts
Chapter 4: Electrical Parts Section I Basic Knowledge In order to understand the structure and working principles of the electrical system of the motorcycle, we must first have a basic knowledge of some electricity concepts. 1. Electricity, Current, Voltage and Resistance The essential component of any substance is an atom, where there are positively charged nucleuses and negatively charged electrons, both of which maintain a balance in the amount of charge.
Page 59: Section 2 Power Supply
5. Short Circuit and Open Circuit In the normal circuit, if the two wires from the power supply to the electrical equipment are directly connected without electricity equipment, this phenomenon is called a short circuit. In a loop consisting of the power supply, electrical equipment and connecting wires, as the wire is switched off, the current can not form a closed loop, this phenomenon is called an open circuit.
Page 60 perpendicular to the magnetic field lines moves in a uniform magnetic field, an induced electromotive force generated in the wire. If the wire and other external circuit form a closed loop, the induced current is generated in the wire, and the direction of the current is judged by the Right-hand Rule. [2.]Structure and principles of alternators Alternators can be divided into flywheel alternators, magnet rotor alternators and three-phase alternators.As with DC magnetos, alternators also work by principles of electromagnetic induction.
Page 61 [2] Remove the battery and apply a multimeter to measure whether the voltage across the battery is “12V” or more. If it is lower than “12V”, it is necessary to remove and charge the battery. Caution Tighten the bolts at battery connecting posts when they are loose.
Page 62 3. Refer to Table 5-1 in respect of damage forms, fault phenomena and common maintenance methods of the power supply portion: Table 5-1: Maintenance of the Power Supply Portion Component Component Fault Motorcycle Fault Damage Form Maintenance Method Name Phenomenon Phenomenon T he headlamp does not light, the engine...
Page 63: Section 3 Control Part
Section 3 Control Part 1. Composition and Function of the Control Part In the electric system of the motorcycle, the control portion assures the normal operation of the power supply portion and the electricity consumption portion, as well as the harmonization among them, and enables the driver to control the electrical system at any time.
Page 64 2. Demolition and Maintenance of the Control Portion [1] Apply a multimeter to measure whether the voltage of variable voltage rectifier is in the range of “13V～14.0V”. If it is lower than “13V”, it is necessary to install a new .variable voltage rectifier. Variable voltage rectifier connector Caution...
Page 65 [5] Remove the protective tube and check it for any burn-out. Install a new protective tube of the same model. Protective tube model: 12V/20A Caution Check the Install a new protective tube of the same model if protective tube it is damaged. [6] Check the main cable for any damage.
Page 66 3. Refer to Table 5-2 in respect of damage forms, fault phenomena and common maintenance methods of the control portion: Table 5-2: Maintenance of the Power Control Portion Component Component Fault Motorcycle Fault Damage Form Maintenance Method Name Phenomenon Phenomenon T h e s t o r a g e b a t t e r y cannot be charged, the The variable voltage...
Page 67: Section 4 Power Consumption
Section 4 Power Consumption The power consumption of motorcycle electrical system includes: 1)Lighting and Signal Devices Lighting devices include the headlamp, the sidelight, the tail lamp (license plate lamp), the instrument lamp and so on. These devices mainly serve to provide lighting for the driver at night and remind other vehicles so as to ensure the safety of driving.
Page 68 2. Demolition and Maintenance of the Lighting and Signal Devices [1] Remove the headlamp shell and check whether the headlamp holder is in good contact with the bulb. Remove the headlamp bulb and check if the bulb is burnt out. Install a new headlamp bulb of the same model.
Page 69 [5] If the klaxon makes a hoarse sound or no sound, adjust the volume of the klaxon, or install a new klaxon of the same model, where appropriate. Adjust the klaxon 3. Refer to Table 5-3 in respect of damage forms, fault phenomena and common maintenance methods of the electricity consumption portion: Table 5-3: Maintenance of the Electricity Consumption Portion Component...
Page 70: Chapter 4 Motorcycle Fault Diagnostic Procedure
Chapter 4 Motorcycle Fault Diagnostic Procedure Section 1 Engine Fault Diagnostic Procedure 1.1Fault diagnostic procedure for poor engine idling Engine idles poorly Engine does not idle Engine idles unstably Engine idles at too high speed Check if ignition timing Check the cylinder Pull the throttle and check is proper or not compression pressure...
Page 71 1.2 Analysis of Insufficient Engine Power Engine power is insufficient. Support motorcycle with main stand,make it off the ground and rotate wheel with hands. Wh eel r ot at es W h e e l r o t a t e s freely.
Page 72 1.3 Fault diagnostic procedure for engine start failure or difficulty The engine fails to start or has difficulty in start-up Check the ignition system Remove the spark plug and check if the electrodes of spark plug are connected Make a spark-over test Check the ignition system to the spark plug There is a strong blue or bluish...
Page 73 Analysis of engine overheating Engine overheats. C h e c k w h e t h e r t h e operation is correct. Check cooling [1]Check whether the gas no. is correct or has system. stored for a long time. [2]Check whether engine always runs with the high speed or with loads.
Page 74 1.5 Fault diagnostic procedure for excessive fuel consumption Excessive fuel consumption Check if the operation method is proper ①Check if the motorcycle is overloaded or does not run at economic speed or runs at Support the main frame low speed and rotate wheels ②...
Page 75 1.6 Analysis of exhaust muffler of 4-stroke engine The exhaust muffler of 4-stroke engine emits blue and white thick smoke. Check whether the oil level of crankcase exceeds the upper mark. The oil in crankcase is too much.The Start engine.When it runs with high redundant oil should be discharged and speed,remove oil ruler and check whether the let the oil level not exceed the upper...
Page 76 1.8 Analysis of derailleur gearshift d e r a i l l e u r gear shift Check whether the positioning spring breaks off or its elasticity is insufficient. Disassemble crankcase and check Replace it. whether its mesh of gear is correct according to the standard.
Page 77 Section 2 Analysis of electrical part 2.1 Analysis of battery Battery cannot be charged. Remove the connecting part between the generator lead and vehicle cable.Measure the resistance with ohmic meter and check whether the resistance between export lead of charging coil accords with the standard value.
Page 78 2.3 Analysis of starting motor S t a r t i n g m o t o r doesn’t run. Turn on ignition switch and press the horn button or turn on/off turning light switch. Eletric horn cannot make sound Electric horn makes rotund sound.Turning light or make poor sound.Turning light illuminates brightly.
Page 79 2.5 Analysis of illuminating light All illuminating light don’t illuminate. AC power supply illuminating system illuminating system of DC supply Press the horn button or turn the Remove the connecting component between switch of direction indicator lamp the lead bundle of generator and vehicle cable. Check whether there is power export from the export lead of illuminating coil with a bulb.
Page 80 Analysis of illuminating light bulb The bulb of illuminating light is easy to burn out. Replace rectifier Short circuit or tanct Normal is not good. R e c t i f i e r h a s trouble Analysis of illuminating light Illuminating lamplight is weak AC supply illuminating system Replace rectifier...
Page 81 2.8 fault diagnostic program of direction indicator lamp Turning light doesn’t illuminate. All turning light of one side All turning light don Some turning lights of one side don’t illuminate. illuminate. don’t illuminate. Remove the cover of turning Press horn button and Remove the cover of turning light light and check whether of check electric horn.
Page 82 2.9 Analysis of electric horn E l e c t r i c h o r n c a n n o t make sound. Turn on ignition switch,turn on/off turning light switch and check the turning light. Turning light cannot illuminate or T u r n i n g l i g h t c a n illuminate dimly.
Page 83 2.10 Analysis of brake light Brake light doesn illuminate. Dismantle the cover of brake light and check whether its bulb is burned-out. With a lead,make short circuit between Replace the bulb of two connection end of brake light brake light. switch or two lead end.
Page 84: Appendix: Electrical Schematic Diagram
Appendix: Electrical Schematic Diagram...

ZONGSHEN ZS125-86 Service Manual

Chapter 1 Overview

Chapter 2 Knowledge about Maintenance

Chapter 3 Complete Motorcycle

Chapter 4: Electrical Parts

Appendix: Electrical Schematic Diagram

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Summary of Contents for ZONGSHEN ZS125-86

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