LONCIN LX250GY-3 Manual
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LONCIN LX250GY-3 Manual

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Thanks for purchasing this type of motorcycle!
This user manual introduced the main specification, basic structure, adjustment method and maintenance skill of this
motorcycle. The user manual makes you know well about the basic operation, and how to eliminate common malfunction,
makes motorcycle fully play its performance, decrease malfunction, and prolong its service life.
Future structural changes may occur on this model and may lead to difference between user manual and actual
motorcycles, and following-up improvements subject to change without notice.
Warning/Caution
Read this book and keep firmly in mind the essentials. We use words such as "Warning"or "Caution" for differentiating
the importance of issues need be paid attention to, please carefully comprehend their exact definition.
Warning —
—
This word indicates the issues involved personal safety of driver, neglect of this issue may lead to injury.
Caution —
—
This word indicates issues need to be paid attention to and related to motorcycle operation and its
maintenance.
Preface

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Summary of Contents for LONCIN LX250GY-3

  • Page 1 Preface Thanks for purchasing this type of motorcycle! This user manual introduced the main specification, basic structure, adjustment method and maintenance skill of this motorcycle. The user manual makes you know well about the basic operation, and how to eliminate common malfunction, makes motorcycle fully play its performance, decrease malfunction, and prolong its service life.

  • Page 2: Table Of Contents

    Directory Adjustment of carburetor ........Matters need pay attention to ......... I Safe driving of motorcycle ..........2 .....2 Checking and adjustment of valves clearance II Main technological parameter ........5 Adjustment of clutch ...........2 III Structure of motorcycle ..........Adjustment of brake pedal ........2 Name of each part ..........

  • Page 3: Matters Need Pay Attention To

    Matters need pay attention to Various spare parts on market could be installed on your motorcycle, but for us, direct control for their quality and compatibility is impossible. Unsuitable spare parts may endanger the driver. Although complete inspection for all spare parts on market is impossible, your sales distributors help you select spare parts with high quality and then correctly installed.

  • Page 4: I Safe Driving Of Motorcycle

    I Safe driving of motorcycle Regulation of Safe Driving Check motorcycle before starting engine for avoiding damaged parts and preventing accident. Motorcycle driver mustn't drive before passing the examination and getting driver's license from Traffic Management Department, lend motorcycle to person without driver's license is not allowed. For avoiding injury, give your whole attention to drving when operating the motorcycle, in this case, please pay attention to: ★...
  • Page 5 ★Motorcycle Refit Caution: Refit motorcycle or replace its original equipments are unable to ensure driving safety and illegal. User must show respect to regulations from Traffic management department. Our company undertake no responsibility to refitted motorcycle without authorization. Warning: 1.Wiring or changes without authorization is not allowed. 2.When fuse is broken, replace by copper wire or fuse with other capacity is not allowed.
  • Page 6 Essentials for driving Warning: In case this is your initial driving of this model, we suggest you find a road of nonpublic use, until you know well the control and operation. Driving with single hand is dangerous, firmly hold the motorcycle by hands, and feet step on footre sts. Under any conditions, drving without hands is not allowed.

  • Page 7: Ii Main Technological Parameter

    II Main technological parameter Data Model Model Data Length 2168mm Braking deceleration Follow GB20073 Max.gradeability ≥ ° 42 Width 800mm 1455mm Bore×Stroke 66.5 66.2 × Height 1450mm Compression ratio Wheelbase 158kg Curb weight Max.net power/Rotational speed 12.5kw/7500r/min 150kg(Including driver) Carrying capacity 17N.m/6500r/min Max.torque/Rotational speed Rotational speed under idling status...
  • Page 8 Main parameters(Additional) Model Data Model Data Fuse Fuel consumption ≤ 4.5L/100km 1 3L 12V 35W 35W Headlight Capacity of lubrication oil Brake light/Rear position lamp 12V 2 5W/0.26W 11LED Capacity of gasoline 11 6L 12V 5W Speed ratio of gear box Front position light 3.083 ×...

  • Page 9: Structure Of Motorcycle

    III Structure of motorcycle Name of each part(head) Clutch lever (2)Left back-view mirror (3)Meter (4)Power switch (5)Right back-view mirror Front brake lever (7)Left hand grip Left switch assy (9)Fuel tank lock (10) Right switch assy (11) Throttle grip (10) (11)
  • Page 10 Name of each part(Body 1st) 1 Head light Back-view mirror Fuel tank lock Oil switch Rear turning signal lamp Rear wheel Rear shock absorber Engine type and ID number 9 Gearshift pedal )Position of product lable 11 Front shock absorber 12 Front disc brake 13 Front wheel (13)
  • Page 11 Name of each part(Body 2nd) 1 Muffler assy 2 Rear disc brake 3 Seat assy 4 Rear brake pedal 5 Vehicle Identification Number(VIN) Position(On the right side of Standing tub e)

  • Page 12: Meter Indication Lamp

    Meter indication lamp Ref.No. Name Note Speedometer Display speed by km/h Display mileage of motorcycle Odometer Fuel level alarm lig ht Low fuel level display Gear indicator Display gear situation Right turning indicato It flashes when turning right High beam ind icator When turning on high beam light, it is on Neutral gear indicator It is on when at neutral gear...

  • Page 13: Iv Operation

    IV Operation Power source switch 2.oil valve use ( fuel tank switch) Usage Position Note For parking(All power off) Key could be extracted For starting or driving(power on) Key couldn't be extracted ( ) 3 Switch lever of fuel valve Lock For locking steering stem Key could be extracted...

  • Page 14: Engine Starting

    Engine starting ★Engine turning off 1. Relax greaser grip, and slow down the engine. 1 Put ignition key on position of “ “. 2. Put on neutral position. 2 Put emergency switch on position of “ ”. 3. Lay ignition switch on position OFF 3 Confirm neutral gear and its indicator is on.

  • Page 15: Right Switch Assy

    Right switch assy (Electrical and non-electrical starting is with tiny difference) 1. Headlight switch ， “ ” , “ ” “·” Headlight switch has 3 positions they are (White point) “ ”： ， Headlight tail light and meter light is on ”...
  • Page 16 Left switch assy ， 1.Dimmer switch Headlight High beam Low beam 2 Turning signal switch ← Left light is on → Right light is on 3 Horn switch Press this button, the horn is ring 4 Overtaking switch ( ) 1 Dimmer switch Turn it on while overtaking.

  • Page 17: Method Of Gear-Shifting

    Method of gear-shifting Pre-heat engine for ensuring its normal working ， ， 1 When engine is in idling speed, please release clutch(tightly hold clutch lever) step on gearshift pedal make speed （ ） ； transmission enter the low speed The 1st gear 2 Accelerate engine and slowly release clutch lever coordinately for ensuring natural starting.

  • Page 18: Matters Need Pay Attention During Driving

    V Matters need pay attention during driving 1 Avoid idling rotation, especially in high speed, or the engine may be damaged. 2 Clutch working in semi-separation status may wear out friction plates. 3 In case feel insufficient power during climbing, change to low speed gear. 4 Use front brake only or coasts in neutral is not allowed when during declining or high speed.

  • Page 19: Checking, Adjustment And Maintenance

    VI Checking, adjustment and maintenance Machine Oil checking 20W.50 ★ Check oil before driving. Check oil on flat ground which support by side stand, uprighting 5W.40 15W.50 the motorcycle, and oil gauge should be out of pouring orifice, and the level of oil should be within upper and lower scale line.

  • Page 20: Cleaning Of Machine Oil Tank

    2. Spark plug for this model is carefully selected which suits most of the working circumstance, in case other spark plug with different thermal resistance need be used, dicuss with Loncin distributor first, because unsuitable spark plug may seriously damage engine.

  • Page 21: Checking And Replacement Of Air Filter

    Checking and replacement of air filter This model is with waste gas nozzle, which improves the air flow and filtering efficiency. The waste air nozzle connects to the Oil/Air Separator, and then to the engine's crankcase, that makes the waste gas from crankcase enter the combustion chamber through the air filter to re-combust, for avoiding direct entry to atmosphere.

  • Page 22: Adjustment Of Throttle Cable

    Adjustment of throttle cable 1. Confirm the normal work of adjustment nut for throttle cable. 2. Confirm the free travel of throttle turning grip during normal range. ２～ ， 3. Stipulated free travel: 6mm in case not, adjust by its nut. Locking nut Adjustment nut Warning:...

  • Page 23: Checking And Adjustment Of Valves Clearance

    Checking and adjustment of valves clearance ； Wide valve clearance may produce noise Narrow valve clearance may harm to valve turning off which lead to ablation or low ， power efficiency, in this case periodic checking for valve clearance is needed. Engine passed StateIII, whose valve is fine processed, which ensured reasonable valve clearance.

  • Page 24: Adjustment Of Clutch

    Adjustment of clutch ★ Clutch could not be adjusted before engine stopped. ～ Free distance of the end of clutch lever is within 10 20mm. In case adjustment is needed, 10～20mm ， Loosen the fastening nut on clutch operation line and adjust free distance to stipulated range.

  • Page 25: Repair And Maintenance Of Fr.&Rr.disc Brake

    Repair and maintenance of Fr.&Rr.Disc brake （ ） 1. Brake oil Brake liquid ， Observe if oil level is lower than scake line “LOWER” (2) through oil level view window (1). In case lower than this line ， ～ ， prompt oil supplement is needed higher than the scale line by 3 5mm is the best higher than the highest oil position line is ，...
  • Page 26 Accidental drink of brake liquid or splash in eyes or on skin is harmful. In case drank, forced spitting is needed. In Warning: case splashed on skin or in eyes, wash by big amount of pure water. 3. Friction pad(Lining) Abrasion could be observed by eyes directly during stipulated maintenance ，...

  • Page 27: Adjustment On Driving Chain

    Adjustment on driving chain ★ Check abrasion, tightness, and lubrication status of chain. ， 1. Support motorcycle by side stand Prod chain up and down for checking the ～ 。 sag:Within 10 20mm 2. When adjustment is needed, screw off rear axle nut and locking nut, make chain ( ) 1 Rear wheel axle nut tightness meet demand.

  • Page 28: Checking Of Battery

    Checking of battery Negative pole Positive pole 1 Open the seat 2 Clean up dust and corrosive impurity on the surface of battery. 3 Check joint of guiding line, in case corroded, please replace. Caution: （ ） （ ） ; (1)When breaking down battery remove -pole first, and then...

  • Page 29: Tyres

    Tyres Depth checking of tire tread in periodic maintenance is necessary. For ensuring safety and longest service life, besides periodic maintenance, usual checking is highly needed. Air pressure in tyres Insufficient pressure in tyre not only accelerate wear-out but also bad for steady driving.

  • Page 30: Specification Table Of Torque For Fastening Parts

    Specification table of torque for fastening parts Ref.No. Position Torque(N.m) Ref.No. Position Torque(N.m) （30~40） M ×1.25 Hanging and Connecting and fastening （10~14） M10×1.25 （35~45） fastening engine M ×1.25 handle bar and steering stem （22~32） （22~32） Upper fastening of Fastening front ×1.
  • Page 31 Odometer km(Note 2) Frequency Item Frequency Items of Maintenance 1000km 4000km 8000km 12000km Fuel system circuit Fuel filter Throttle operation system Carburetor choke Element of air filter Note 1 Spark plug Valve clearance Valve clearance 、 、 ， Engine lubrication oil Each yearR 1st time 500km 2nd 1000km 3rd 2000km each 2000km replacement Lubrication oil filtering screen...

  • Page 32: Motorcycle Washing

    VII Motorcycle washing Periodic washing enables to prevent colour fading, also convenient for checking vehicle damage or oil leakage. ： ： Caution High water pressure may damage parts, which shown as below — Wheel hubs — Exhaust pipe — Fuel tank and lower part of seat —...

  • Page 33: Maintenance During Parking Period

    VIII Maintenance during parking period Storage and maintenance In case long-term storage is needed, pay attention to dampproof, sun-block, and rain-proof for avoiding damage.Make special inspection on important parts before storage. 1. Replace lubricant. 2. Lubricate the chain. 3. Drain off fuel in carburetor and fuel tank, turn off fuel lock, and then fulfill rust preventive liquid in fuel tank and cover up the fuel cap.

  • Page 34: Recovery Of Using

    Recovery of using 1. Remove the covering cloth, and wipe up motorcycle, in case parking more than 4 months, replace lubricant. 2. Charge the battery and then install on motorcycle. 3. Drain off anti-rust liquid in fuel tank and then fully add fuel. 4.

  • Page 35: Electrical Schematic Diagram

    X.Electrical schematic diagram...
  • Page 36 Pay a special attention to Please check the voltage between the battery's + and – poles, and it is allowed to do power charge if the voltage is above 5V; It is recommended to charge the battery with an adjustable digital display power charger. Set the charger's voltage to 16~17V to charge for 40 minutes, and it is to activate the battery with a high voltage;...

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