Longjia lj50qt, Owner'S Manual

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Page 2: ...This operating manual includes important instructions for handling your light scoo ter Read it carefully because professional handling combined with regular care and maintenance helps to maintain the...

Page 3: ...de stand parking stand 13 I SAFETY TEST Checklist 14 Load and lights 15 RIDING INSTRUCTIONS Ride safely 15 Ride economically and environmentally 16 Running in instructions 17 Starting 18 19 Brakes 20...

Page 4: ...ttle control 32 Cleaning the air filter 33 35 Checking the spark plug 36 Fuse 37 Battery 38 39 Changing the light bulbs 41 43 Adjusting the headlight 44 2 TECHNICAL DATA Engine 45 Power transmission 4...

Page 5: ...ion number 1 is located on the frame below the front cover Chassis number The chassis number is located on the frame behind the cover 2 The engine number 3 is located on the left hand side Key With th...

Page 6: ...ide view Storage box with tool kit 6 2 Luggage hook 3 Cover for lubricating oil tank 4 Battery box and fuse 5 Ignition and fork column lock 6 Brake fluid container for front wheel brake 7 Handbrake le...

Page 7: ...nd side view 9 Handbrake lever for rear brake 10 10 Cockpit I 11 Tank cap 12 Transmission oil filler screw 13 Kick starter 14 Parking stand 15 Air filter 16 Side stand OVERVIEW AND OPERATION 12 16 15...

Page 8: ...1 Fixed grip 2 Handbrake lever for rear brake 3 Direction indicator switch Q Switch to the left Left indicator on SwitCh to the nght Right indicator on Push button for switch off 4 t o Push button hor...

Page 9: ...t only for a limited period Take into account the charge of the battery The keycan be removed in positions and n 1 Operating position Ignition and all circuits activated 2 Ignition off Fork column not...

Page 10: ...e month appears The month value can be set by pressing button S Button M press 3 time until the day appears The day value can be set by pressing button S Button M press 4 time until the hours appears...

Page 11: ...ne s heat and high temperature J Unlock Insert the ignition key 1 into the lock turn and press down the key to the right or left direction OPEN Lock Press down the seat 2 until the lock is engaged Pul...

Page 12: ...the tank to the brim Never fill the tank while the engine is running Never bring a glowing cigarette or naked flame near an open tank because fuel vapour could suddenly ignite 10 NOTE The fuel indica...

Page 13: ...urn the cover 2 to the left or right side Insert the ignition key in the lock 3 turn to the left and open the tank cap 4 Lock The marks 5 must be in front before closing the tank cap Close the tank ca...

Page 14: ...ext 50 km Damage caused by not observing this instruction will not be covered under warranty 12 Filling up with lubricating oil Use only Mobil 1 Racing 2T same grade or higher Insert the ignition key...

Page 15: ...the engine Put you r left hand on the left hand handlebar grip Hold with your right hand the holder grip 3 Fold out the arm of the side stand 1 as far forward as it will go and stop by foot Slowly til...

Page 16: ...our ride check the fol lowing Steering smooth and free of play Clutch lever play Lubricating oil quantity Fuel quantity Front brake Rear brake Tyres profile and pressure Telescopic fork Load lights To...

Page 17: ...ghts WARNING The total allowable weight may not be exceeded Check the tyre pressure Checking the lights WARNING Before any ride check the operation of all lighting components Check that the headlamps...

Page 18: ...6 Turn the engine off when waiting in traf fic Different riding conditions affect fuel con sumption The following conditions are un favourable for fuel consumption High traffic density especially in b...

Page 19: ...nd rpm ranges Se lect winding and slightly hilly routes Avoid constantly low rpm counts and full throttle under load You can save yourself delays by making an appointment with a specialized dealer in...

Page 20: ...n key to its operating position n Do not open the throttle 4 Pull and hold the handbrake lever 2 Operate the start button ffi 5 If the engine can not be started after the starter motor is running for...

Page 21: ...on n Do not open the throttle 4 Depress the kick starter lever 6 quickly and the engine will start After the engine is running return the kick starter lever to its normal position NOTE Use the kick st...

Page 22: ...while a rust film may form on the brakes and thus increase the braklnq effect A thick rust film can cause the brakes to lock up When setting out on a ride after a long lay up period carefully operate...

Page 23: ...ease the throttle gas and operate both brakes at the same time On tight curves sandy dirty streets wet asphalt and icy roads use the front brake carefully if the front wheel locks the bike will slide...

Page 24: ...c or penetrating cleaning agents or solvents 22 WARNING Always carry out a brake test after clean ing and before starting a ride W CAUTION Do not use steam or high pressure jet devices Such devices ca...

Page 25: ...chassis and the aluminium parts and pre serve them with a commercially available anti corrosion agent Operation in winter and anti corrosion protection NOTE Protect the environment by using only en v...

Page 26: ...all times Lay up I commission Lay up Clean the motorcycle Remove the battery Observe the maintenance instructions Spray suitable lubricants onto the brake lever and clutch lever joints and the side st...

Page 27: ...y technical changes CAUTION We recommend using only approved accessories and original spare parts for Our motorcycles This is in your own interests the safety suitability and reliability of these acce...

Page 28: ...elescopic fork should not jam up when turned and it should swing back lightly to both end positions Pull the hand brake to block the front wheel brake Hold the handlebar with both hands and try to mov...

Page 29: ...total weight A harder B softer Adjusting the spring preload NOTE The spring preload can be infinitely ad justed Turn the adjustment nut 1 with a suitab le spanner in direction A to increase the sprin...

Page 30: ...weight or the bearing capacity of the tyres Incorrect tyre pressure will have a con siderable effect on the riding properties of the scooter and the lifespan of the tyres While the tyres are cold Twi...

Page 31: ...Every two years the brake fluid must be changed by a dealer The level must not drop below the MIN mark Use only brake fluid of the DOT 4 classific ation u I CAUTION Do not spill any brake fluid on pai...

Page 32: ...cap 1 at the brake calhper Visually inspect the sight glass 2 at the brake calliper Check the thickness of the brake lining Minimum thickness A 2 0 mm If the lining thickness is below the mini mum ha...

Page 33: ...el brake onto the brake rod until the handbrake lever reach a free travel of 10 20 mm After this measurement is attained the brake shoes should be heard brushing against the brake drum Ji CAUTION Have...

Page 34: ...eely Check whether the throttle cable is obstructed by other parts Open the twist grip throttle control until resistance can be felt Measure the play Nominal value A 1 2 mm 32 Adjustment Push back the...

Page 35: ...r In case of heavy dirtiness the foam 11 has to be replaced Remove the screws 2 and take off the storage box 3 together with the seat Disconnect the hose 4 from the air filter housing Remove the clamp...

Page 36: ...he air filter housing 8 Disassembly and cleaning Remove the screws 9 and take off the air filter cover 10 Remove the foam 11 Clean the foam with Motorrex air cleaner Afterward soak and wring out the f...

Page 37: ...scooter is ride on dusty roads very often Checkfor properly installation of the foam housing in the filter case Otherwise the engine runs poorly or lead to serious engine damage Be careful not to soa...

Page 38: ...hand side 36 Pull the spark plug connector 1 Unscrew the spark plug with the spark wrench from the on bard toolkit Check the electrode gap 0 6 0 7 mm replace the spark plug if it is severely burnt awa...

Page 39: ...m The fuse is located behind the inspection cover 2 Turn off the ignition Removethe two screws 1 and open the inspection cover 2 Open the fuse case 3 and remove the fuse A faulty or blown fuse must be...

Page 40: ...r or soap suds and the spots must be flushed with plenty of water If acid is swallowed immediately visit 1 call a doctor r lI CAUTION Do not expose batteries to direct sun light Discharged batteries c...

Page 41: ...rst disconnect the minus terminal 3 black cable When installing the battery first connect the plus terminal 4 red cable The battery is maintenance free Do not try to open it Turn off the ignition Remo...

Page 42: ...will void the operating license Do not touch the bulbs with bare fingers Hold bulbs with a clean dry cloth when installing or removing them Turn off the ignition Remove the covering screws 1 Remove th...

Page 43: ...ition light Remove the rubber cover 4 Pull the position light 5 with the bulb holder by turning carefully to the left out of the headlight housing Installation takes place in reverse order to disassem...

Page 44: ...Carefully remove the cover 2 Do not touch the bulbs with bare fingers Hold bulbs with a clean dry cloth when installing or removing them Remove the bulb socket 3 and release it by turning to the left...

Page 45: ...Hold bulbs with a clean dry cloth when installing or removing them Push the bulb 3 back and release it by turning to the left Remove the bulbs Installation takes place in reverse order to disassembly...

Page 46: ...to the centre of the headlamp and mark the height on the wall with a cross Draw a second cross 12 cm beneath the first cross 44 Start the motorcycle and run the en gine Activate the dipped beam Use a...

Page 47: ...g Fan air cooled Maximum net power output 2 1 kW at 8 000 1 min Maximum net torque 3 2 Nm at 5 500 1 min Ignition system Transistorized ignition system with electronic ignition control COl Spark plug...

Page 48: ...suspension Unit swing hydraulic shock absorption adjustable preload Wheels front Light metal Alu MT 2 50 x 12 Wheels rear Light metal Alu MT 2 50 x 12 Tires front 120 70 12 56J tubeless Tires rear 130...

Page 49: ...ssion oil Hypoid oil SAE 85W 140 or SAE 80W 90 GL5 Filling quantity oil change 0 10 litres oil change overhaul 0 11 litres Electrical Equipment Generator 12V 130W Battery 12V 6Ah MF Fuse 15 A Head lig...

Page 50: ...1830 mm Width across handlebars 705 mm without rear view mirror Maximum height 1165 mm without rear view mirror Wheel base 1290 mm Seat height 800 mm Weight empty 87 kg Weight in running order 92 kg...

Page 51: ...n entitled to legal claims Replaced parts pass over into the possession of us 2 The installation of spare parts within the scope of warranty does not extend the warranty period that has started with t...

Page 52: ...is may already occur after 500 km Brake linings brake shoes brake lines depending on riding style and load these may already be worn after 1500 km in cross country operation even earlier Sedal rings s...

Page 53: ...m 1 6 000 kml 12 000 km 1 ll trip 1000 km 6 months 12 months 24 months Air cleaner foam filter I I C R Fuel filter I I I R Spark plug I I I R Ignition time I I Carburettor Idle speed I I I Throttle ca...

Page 54: ...m 6 000 km 12 000 km 1 trip 1000 km 6 months 12 months 24 months Bolts and nuts engine I I I Exhaust system I I Fuel tank fuel hoses I t I I Battery I I I Stearing and bearings I I I Front and rear su...