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Jinan QingQi QM50QT-6, Manual

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Jinan QingQi QM50QT-6 Manual Download Page 43

 

43

TROUBLESHOOTING 

Troubleshooting  

1.  Familiar trouble about the engine and the way of the Elimination 

Position 

Trouble 

Reason 

The way of eliminating the trouble 

It is difficult to start the engine or you 
can not start the engine 

The ful can not reach the carburetor 
The fuel tank venthole is blocked 
The fuel valve is blocked 
The fuel filter is blocked 
The fuel hose is blocked 
The hose is blocked 
The fuel is polluted or metamorphoses 
There is overmuch oil 
The air filter is blocked 
The fuel in the carburetor floods 
The air inputted leaks 

Dredge the place blocked 
Replace the fuel 
Increase  the air 

——

Clean the  element 

——

Let out overmuch oil 

——

Seal up the gangway of gas 

entering  

Fuel supply 
system

（

when the 

engine 
compressing 
pressure and 
the spark 
plug work 
normally

）

 

The idle speed is abnormal 
It is difficult to start the engine   
There is light detonation in the engine 
when the engine accelerates 

The carburetor is blocked 
The mix ratio is wrong 
The valve

（

the accelerator

）

is worn out 

The fuel is polluted or metamorphoses 

Clean the carburetor 
Adjust the mix ratio bolt 
Replace the valve

（

the accelerator

）

 

Clean the fuel tank

、

replace the fuel 

Ignition 
system 

The spark is weak or there is no spark

There is overmuch carbon deposit and dirt on 
the spark plug 
The spark plug gap is not proper 
The insulation part of the spark plug is 
damaged or the electrodes are short circuit   
The ignition coil is open circuit or short circuit

Clean the spark plug 
Adjust the gap to 0.6~0.8mm 
Replace the spark plug 
Replace the ignition coil 

Summary of Contents for QM50QT-6

Page 1: ...1 The catena comprise type QM50QT 6 QM50QT 6D QM50QT 6N QM50QT 6R QM50QT 6G QM50QT 6S ...

Page 2: ...2 QM50QT 6V ...

Page 3: ...care and maintenance that your scooter requires is outlined in the manual By following these instructions explicitly you will ensure a long trouble free operating life for your scooter The skilled and well trained maintenance personnel in QingQi sales agencies and service centers are ready to provide you the best possible service The standard of this motorcycle is accordance with Q QM021016 2007 J...

Page 4: ...It is dangerous to ride on the moist or wet road Therefore high speed should be avoided and special care should be taken when turning Bear this in mind the braking distance in rainy days is twice as much as sunny days Proper Wearing of Safety Helmet Wear the safety helmet and fasten the belt whenever you ride Garment Recommendation Bright colored and well fitting clothes are recom mended Mind that...

Page 5: ...ee a safe driving THE SERIAL NUMBER The serial numbers are required to register the scooter They are also to assist your dealer serve you better when you re purchasing component or needing special service The frame serial number is stamped on the front syphon of the chassis The engine serial number is stamped on the left of the crankcase assembly The nameplate is enchased on the right down of the ...

Page 6: ...6 Please write down the numbers here for future reference Frame Serial No Engine Serial No ...

Page 7: ... 4 Dimmer switch 5 Instrument 6 Front brake lever 7 Rear view mirror 8 Throttle grip 9 Light switch 10 Starter switch 11 Ignition switch Left side of the motorcycle 1 Head lamp 2 Pothook helmet 3 Seat 4 Seat lock 5 Rear shelf 6 Side reflector 7 Side stand 8 Main stand 9 Kick starter lever 10 Air filter ...

Page 8: ...INDICATIONS Fuel Gauge The fuel gauge shows the proportion of fuel left in the fuel tank When the hand reaches to the red range gasoline should be refilled as soon as possible Speedometer The speedometer shows the speed at which you are riding in km h or mile h Odometer The odometer registers the total distance that the scooter has been ridden ...

Page 9: ... switch is at ON The engine can be started It is impossible to pull out the key OFF The engine cannot be started The key can be inserted or pulled out LOCK The steering bars can be locked to one direction The key can be inserted or pulled out When you leave the scooter you may lock the steering handlebars to prevent your motorcycle from being stolen 1 Turn the handlebars to the left 2 Insert the k...

Page 10: ...Brake Lever The rear brake lever is on the left grip Press the lever to the grip and the rear brake operates Turning Signal Lamp Switch This switch is used to turn on the left right signal lamps to show the other vehicles that you want to turn leftward rightward When you turn the lever to the left signal lamps flash the right signal lamps flash press in the switch at the center position to cancel ...

Page 11: ...and the starting circuit breaks completely Starter Button This button is used to start the engine Turn the ignition key to ON squeeze the rear brake lever and press the button the engine will be started immediately Front brake lever Press the lever to the grip and the front brake operates By operating the brake levers you can control the speed of the scooter and even make it stop The brake is appl...

Page 12: ...e kick starter lever forcefully MAIN STAND AND SIDE STAND This scooter is equipped with a main stand and a side stand To use the main depress it by foot and lift the rear of the scooter until the rear wheel is lift To use the side depress the end of it until it rotates to the end and stops FUEL TANK CAP Open 1 Insert the key and turn it clockwise to open the cap 2 Rotate the fuel tank cap anticloc...

Page 13: ...eep breakables in the trunk Do not keep valuable item in the trunk Do not place fuel and oil in the trunk Never forget to lock the seat To open the seat as follows 1 Insert the ignition key into the seat lock and turn it clockwise 2 Lift the rear of the seat and the seat is opened Push the seat gently and it will be locked automatically Lift the seat gently to check if it is locked secure When pla...

Page 14: ...rmance from your new scooter QINGQI parts are manufactured of high quality materials and machined parts are finished to close tolerances Proper break in operation allows the machined surfaces to polish each other and mate smoothly MAXIMUM THROTTLE OPERATION REC OMMENDATION 1 0 150Km Avoid continuous engine operation with the acceleration grip rotated more than 1 3 cycle Speed 20Km h after every on...

Page 15: ...y extensive load on the engine AVOIDING CONSTANT LOW SPEED It will not benefit the engine at a constant low speed during break in period Allow the engine to accelerate freely within the recommended maximum limits Do not however use full throttle for the first 1600km ALLOW THE ENGINE OIL TO CIRCULATE BEFORE RIDING Allow sufficient idling time after warm or cold engine start up before applying load ...

Page 16: ... items Never underestimate the importance of these checks Perform all of them before riding the machine WHAT TO CHECK CHECK FOR Steering 1 Smoothness 2 No restriction of movement 3 No play or looseness Brakes 1 Correct brake lever play 2 No obstruction in braking Tires 1 Correct pressure 2 Adequate thread depth 3 No cracks or cuts Fuel Enough fuel for the planned distance of the operation Lighting...

Page 17: ... side st and shafts Operation Lubricate if necessary Tightness Tightness of all connection with the chassis Adjust and retighten if necessary Carry out the above check before every driving It ensures your driving safety If it is abnormal you may drive to go off securely It takes a little time but the safety it brings about is much more valuable than the time it takes CAUTION In case that any of th...

Page 18: ...bject and Abnormal Wear Check the surface of the tire Is there any obvious damage Are there any nail stone glass and etc in the tire or in the tread Is there any abnormal wear INSPECTING THE QUANTITY OF FUEL Make sure that the fuel is enough to reach the destination or not Turn the ignition switch to ON position if the fuel gauge hands points to the red region the fuel should be refilled as soon a...

Page 19: ...if the serial number is clear THROTTLE GRIP Rotate the acceleration grip and check its operation and free play Make sure that it can return to the original position by a spring force Have it adjusted by the distributor if necessary AIR FILTER The air filter prevents dust from getting into the engine and damaging the engine If the air filter is not properly maintained dust may get into the engine T...

Page 20: ...ick starter lever 4 Let the engine warm up after being started When the battery is over discharge you can start the engine with kick starter lever 1 Turn the ignition key to ON 2 Kick the kick start lever forcefully CAUTION Put back the starter lever to its original position when the engine started 3 In case that the engine has not still ignited for 2 3 times turn the throttle handlebar by 1 8 1 4...

Page 21: ...t it after time out lasts 10 seconds restart using the kick starter and check if there is any problem with the starting system If the engine remains unstarted after several starting turn the throttle grip by 1 8 1 4 and try again The grip should be released soon after the engine is started SET OUT 1 Release the main stand 2 Mount on the motorcycle While holding the handlebars with both hands mount...

Page 22: ...peed up slowly CAUTION Excessive rotation of the grip can lead to the danger of sudden rush ADJUST SPEED The speed of your scooter can be adjusted by turning the throttle grip Rotate the grip to speed up Gradual rotation is recommended Release it to slow down Quick release is advisable STOPPING AND PARKING 1 Send out alarming signals Alarm other vehicles in advance with the turning lamps before yo...

Page 23: ...round to prevent falling down INSPECTION AND MAINTENANCE The maintenance schedule indicates the intervals between periodic services in kilometers and months At the end of each interval be sure to inspect check lubricate and service as instructed If your scooter is used under heavy load conditions such as continuous full throttle operation or is operated in a dusty climate certain services should b...

Page 24: ...arts or their equivalent If you are an expert or a do it yourself mechanic QINGQI recommends that those items on the maintenance schedule marked with an asterisk be performed by authorized QINGQI dealer or qualified service mechanic You may perform the unmarked items easily by referring to the instructions in this sectio ...

Page 25: ...ean every 3000km replace if necessary Air filter note I I R I R Engine oil note R R R R R R R Engine oil filter C C R C Gear oil note R R Valve clearance A A A I I I I Fuel pipe Replace every four year Fuel filter R Brakes I I I I I I I Front fork I I I I I I I Steering I I I I I I I Rear suspension I I I I I I I Tires I I I I Fastening nuts and bolts Fuel hoses T T T T T T T Cam chain A A A V bel...

Page 26: ...in the table NOTE I Inspect and clean adjust lubricate or replace if necessary C Clean R Replace T Tighten Note Change once in primal 500Km Note It should be ahead replaced if it is in overload long distance or rain conditions Note It should be inspected and replaced ahead if it is in muddy or dusty conditions ...

Page 27: ...ication grease Main stand shaft Lubrication grease Seat lock cable Lubrication grease Rear wheel bearing Lubrication grease Rear braking lever Engine oil Turing gear Refill the lubrication grease every two years or every 20000Km Carry out the lubrication according to the table of the lubrication For your safety have the items with done by your distributor Note 1 Lubrication the moving part which i...

Page 28: ... the vehicle as a whole and cause accident Before making any modification contact your distributor TORQUE REQUIREMENT A torque spanner is necessary when tightening the items in the following table Particularly before a long distance drive carefully check and tighten the items If any of the items is loose retighten it immediately before driving A B Table 1 A Nut B Bolt Torque requirement N m 10mm M...

Page 29: ...rget to put an oil pan under it to maintain the cleanness of the surrounding Run the engine at idle speed for a few minutes before releasing the oil and let the waste go into the oil so the waste can be removed Please operate it on the level ground Oil ruler Oil drain plug b When replacing the engine oil pull out oil ruler and let the case well ventilated so the oil can pour quickly c Tighten this...

Page 30: ...se the old gear oil 3 After tightening the bolt use a spanner to dismantle the oil filling plug and prepare to fill the new gear oil 4 Place the motorcycle flatly and the left side of it is up Fill the oil slowly until it is on the bottom of round hole The full capacity is 110cc then tighten the screw CAUTION When refilling or emptying gear oil prevent any foreign matter from entering into the gea...

Page 31: ... 2 Take the electrolyte container out of the plastic bag 2 3 Take up the electrolyte container upside down and make the container sprue aim at the battery sprue Depress the electrolyte container to lunge the membrane of the battery sprue Let the electrolyte flow into the battery Check the respective three pipes right and left When at least one pipe on each side is emitting bubble the normal work b...

Page 32: ...he spark plug gap with a spark plug gap thickness gauge to keep it 0 6 0 8mm After every 6000km the spark plug should be replaced Whenever remove the carbon deposits be sure to observe the operational color of the spark plug s porcelain tip The color tells you whether or not the standard spark plug is suitable for your type of usage If the standard spark plug is very black you d better use a high ...

Page 33: ... to severe engine damage FUEL HOSE Replace the fuel hoses every four years AIR FILTER The air filter element used in this motorcycle is a polyurethane foam element If the filter element has become clogged with dust intake resistance will increase with a resultant decrease in power output and increase in fuel consumption due to the richer mixture Check and clean the air filter element according to ...

Page 34: ...e oil 4 Reinstall the cleaned air filter element in reverse order of removal Be absolutely sure that the filter element is securely in position and is sealing properly CAUTION Before and during the cleaning operation carefully examine the air filter element for any tears in the material A torn filter element must be replace d with a new one If driving under dusty conditions the filter element must...

Page 35: ... engine and warm it up 2 After engine warms up turn the throttle stop screw in or out so that engine may run at 1700 100rpm Air screw 3 Adjust the air screw to the high speed of engine it is the best position of the throttle screw 4 Turn the throttle grip lightly several times in order that the idle speed stay at the standard position 5 If the idle speed is not steady please refer to the above unt...

Page 36: ...er you can do this adjustment by referring to the procedures described above The engine idle speed should be adjusted after the engine warms up THROTTLE CABLE ADJUSTMENT 1 Loosen the lock nut 2 Adjust the cable slack by turning adjuster in or out to obtain the correct slack of 0 5 1 0mm 3 After adjusting the slack tighten the lock nut FRONT BRAKE ADJUSTMENT a Drum type INSPECTING THE BRAKING EFFEC...

Page 37: ... position and squeeze the brake levers It is most advisable to reduce the speed slowly by gradual application of the brakes CAUTION Single braking of the front or rear wheel may cause the danger of side slide Hurried braking or sharp turning are the major causes of side slides or overturn and are therefore extremely dangerous 2 Special care should be taken in rainy and snowy days Moist and wet roa...

Page 38: ...king effect may be reduced If this occurs slow riding and gentle braking should be observed before the brakes restore normal function b Disc type Warning An incorrect free play means a trouble in the braking system Never drive the motorcycle before having it corrected Contact your distributor Operate the brake and check the wear indicator If the indicator almost reached the brake disk have the bra...

Page 39: ... The mixture of different types may produce harmful chemical reaction and cause the brake s malfunction 4 Never allow water to get into the cylinder Otherwise the boiling point of brake fluid may be decreased and cause air lock 5 Brake fluid is corrosive to the painted surfaces and plastic parts Wipe it clean in case of any splashing 6 If you cannot bring the brake fluid up to the standard level a...

Page 40: ...smooth cornering difficult and over inflated tires decrease the amount of tire in contact with the ground which can lead to skids and loss of control Be sure that the tire pressure is within the specified limits at all times Tire pressure should only be adjusted when the tires are cold Cold inflation tire pressure Solo Dual Front Wheel 125kPa 125kPa Rear Wheel 175kPa 200kPa over proper lack CAUTIO...

Page 41: ...ect amperage fuse Never use substitute for example aluminum foil or wire to replace a blown fuse If the spare fuse installed blows in a short period of time it means that you could have a major electrical problem You should consult Your QINGQI dealer or a qualified service mechanic immediately CLEANING THE BATTERY POLES Remove the battery and clean it when the poles have been corroded or dirted 1 ...

Page 42: ...ling CAUTION The battery may produce the flame gas so must keep away from fire Must turn the ignition switch to OFF when remove the wire then follow the steps of the first second While installing reverse the order Fix the poles well when installing in case of loosening ...

Page 43: ...e gangway of gas entering Fuel supply system when the engine compressing pressure and the spark plug work normally Theidlespeedisabnormal Itisdifficulttostarttheengine Thereislightdetonationintheengine whentheengineaccelerates Thecarburetorisblocked Themixratioiswrong Thevalve theaccelerator iswornout Thefuelispollutedormetamorphoses Cleanthecarburetor Adjustthemixratiobolt Replacethevalve theacce...

Page 44: ...t 1 Releasetheoilinthecarburetor Inspect and repair or replace the assistant startingdevice Adjusttheopening limitofthethrottlevalve Cleantheairfilter 2 Cleanoutthedirt Cylinder head Valve Thepressureislow Itisdifficulttostart theengine Theworkingstateis abnormalwhenthe enginerotatesata lowspeed 1 Thecylinderhead Leaksorthesealingringisdamaged Thecylinderheadbendsorisdistorted 2 Valve Thevalveadju...

Page 45: ...1 Adjustthevalvegap 2 Replacethevalvespring 3 Adjust the elasticity apparatus or replacethechain 4 Replacetheelasticity cam 5 Replacethecamchain 6 Replace the bracket crankcase or the shaft 7 Inspectthecylinderandthepiston The pressure is low or the pressureisnotstable 1 Thecylinderorthepistonisworn 1 Replacethecylinderorthepiston Cylinde r Piston Much smoke from the exhaustpipe 1 The cylinder the...

Page 46: ...toftheengineisshortofoil 7 Thecamshaftortheshaftslipcoverisworn 1 Replacethepistonandthepin 2 Replacethebearing 3 Replacethebearing 4 Replacethecrankshaft 5 Replacethebearing 6 Replenishtheoil 7 Replacethecamshaftorthebushing Thepoweris lackforawhile 1 Thesparkplugisbad 2 Theengineisoverhot 1 Replacethesparkplug 2 Cooltheengineandavoidrunningfora longtime Crank shaft Crank shaftbox Thepoweris lack...

Page 47: ...okeoff 1 Replacethespring Driving gear Clutch drivengear Kickstarter system Runninginahighspeedis difficultorthepowerislack 1 Thetransmissionbeltisworn 2 Thespringinessofthedrivengearspringis abnormal 3 Theclutchrollerisworn Thesurfaceofthebeltgearisdirty 1 Replacethebelt 2 Replacethespring 3 Replacethebushing Cleanthesurfaceofthestrapwheel The motorcycle does not run after the engine is started 1...

Page 48: ...amineandrepair thestartingclutchwhichisoneway 2 Replacethegear 3 Examineandrepair Theenginemotor rotatesslowly 1 Theproportionoftheelectrolyteislow 2 Thecableofthebattery isnot joinedcorrectly 3 Thecableofthemotorisnot joinedcorrectly 4 Theenginemotorisbad 1 Replenishtheelectrolyte 2 Rejointhecable 3 Joiningwell 4 Examineandrepairthemotor Electric motor Theenginemotor rotates buttheengine doesnotr...

Page 49: ...hetire The motorcycle runs lean to one side 1 Thefrontforkbends 2 Thefrontshaftbends 3 Thefrontandrearshaftsarenotaligned 4 Installationofthewheelisnoteligible Thewheelbearingisdamaged 1 Replace 2 Replace 3 Alignment 4 Installingwell Examineandrepair The front wheel flutters 1 Theflangebends 2 Thewheelbearingisworn Thetireleaks 1 Replace 2 Replace Repairthetireandinflate Frontwheel Suspension Turn...

Page 50: ...suspensionisbig 1 Theshockabsorberisdamaged Theshockabsorberisloose 1 Examineandrepairandreplace Screwdown Thesuspensionis overhard 1 Thedamplever bends 1 Replacethedamper Rear wheel supension braking device Brakingisnotgood 1 Brakingadjustmentisnotproper 2 Thebrakingshoeiswornorpolluted 3 Thebrakingtubwheeliswornorpolluted 4 Thebrakingcamisworn 5 Thebrakeshoeisnotinstalledproperly 6 Thebrakingcab...

Page 51: ...Theswitchisbad 3 Theleadparts 4 Thewireisnotjoinedaccurately 1 Replace 2 Replace 3 Wiring 4 Checkandjointhewirecorrectly Motorcycle lamp Instrument switch Althoughthelamp ison thebrightness isweak 1 Thedynamoisdamaged 2 Theresistanceofthewireortheswitchisbig Thecommutatorortheadjustorisdamaged 1 Examineandrepair 2 Examineandrepair Examineandrepair Theoperationis outofcontrol Theacceleratoris outof...

Page 52: ... with a neutral detergent then wash it with clear water Note Never use alkali and acid detergent gasoline or other solvent when washing to avoid damaging 7 When washing is completed start the engine and run it at idle speed for a few minutes Storing When the motorcycle is to be unused for 60 days or longer carry out the following to avoid damage 1 Clean the motorcycle Using proper stands raise the...

Page 53: ...with the machine by youself while in warranty may affect warranty consideration STORAGE PROCEDURES If the motorcycle is to be left unused for extended period of time for winter storage or any other reason the machine needs special servicing requiring appropriate materials equipment and skill For this reason QINGQI recommends that you trust this maintenance work to your QINGQI dealer If you need to...

Page 54: ...and rubber parts with rubber preservative Spray the unpainted surfaces with rust preventative Coat the painted surfaces with car wax PROCEDURE FOR RETURNING TO SER VICE Clean the entire scooter Remove the spark plug Turn the engine a few times by depressing the kick starter lever Reinstall the spark plug Reinstall the battery Adjust the pressure of tires as described in the TIRE section Lubricate ...

Page 55: ...55 SPECIFICATIONS ...

Page 56: ...56 WIRINGDIAGRAM ...

Page 57: ...data explanations photographs and specifications contained in the Manual are of the latest products at the moment of publication On account of improvement or other reasons there may be some differences between the Manual and your motorcycle Jinan Qingqi Motorcycle Co Ltd shall reserve rights to modify the specifications at any time without prior notice ...

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