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- 17 - 

 

IV.    Maintenance and service 

 

Maintenance periodic form 

The maintenance is important to motorcycle, If drive with high speed in bad situation for a 
long  time,  must  add  the  times  of  maintenance,  If  motorcycle  have  a  big  repaired  or  a 
accident, Must take it to  check  for mainly spare parts. For  example: frame, indicator parts 
and so on. Repair or change the worn parts. Make sure safety. 

Notice:  Don

t  change  motorcycle  make  sure  it

s  safety,  Must  use  good  quality  spare 

parts if replace spare parts .if use bad quality spare parts, it will influence the safety of 

motorcycle

Warning: 

Must  close  engine  when  make  maintenance .it  make sure  the  repairer

s  safety. 

And put down the stand on the smooth ground.

 

Notice: 

Must make a good maintenance if the motorcycle don

t use over a month, or don

use in all the winter. Make flue, tire and battery avoiding corrode. 

 

 
 

Maintenance periodic table (

Tabel

 3): 

Check before time based maintenance 

I: check and adjust when necessary 
C: clean   
R: change 

Tabel

  3 

- 18 - 

speedometer

x1000km

 

 

12 

Cycle

   

 

Item

 

Every month

 

 

12 

18 

Ref page

 

 

Fuel pipe 

 

 

 

 

 

Operation of the 

throttle 

 

 

13 

 

Core of the air filter 

 

Note1

 

C/1000km, if need: R

 

21 

 

Spark plug

 

 

 

C/2000km,If need: R

 

24 

 

belt

 

 

 

Per1000km I        If need: R

 

 

 

Gearbox    oil

 

Note

300km

 

 

 

23 

 

Idling speed 

 

 

22 

 

Brakes system 

 

 

15 

 

Brakes switch 

 

 

 

 

 

Headlamp

 

 

 

 

 

 

Suspension 

 

 

 

 

 

nuts\bolts tighten

 

Note

 

 

 

 

 

Wheel & tire

 

 

 

 

12 

 

Turning bearing

 

 

 

 

 

 

*

If you have all of tool and maintenance document, you are a mechanic person, or else must let 

special person maintenance and repair. 
**For safety, we claim all of items have done by mechanic person. 

Note: 1,if this area is very damp or have a lot of dirty .you had better make a short time 
for maintenance, when it take more oil quantity or not strength, it must change. 

Summary of Contents for WY50QT-16A

Page 1: ...s and content in the manual we feel sorry for that and hold the final right of interpretation Have a good enjoyment and thanks again for your purchasing The important points to attention The driver an...

Page 2: ...ion instruction Checking before driving 9 Engine starting 13 Driving operation 14 Braking operation 15 Engine power off operation 16 Stopping operation 16 IV Service and maintenance Maintenance period...

Page 3: ...5 Avoid to driving the road with accidental easily result in the operation without used or the parts was broken 6 You must check up the motorcycle before driving 7 During drive grasp the left hand bar...

Page 4: ...3 The parts subassemblies and use instruction Parts subassemblies Fig 1 Fig 2 Fig 1 4 Broken Line indicate the invisible parts Fig 2...

Page 5: ...y do not do any turning operation And do not start engine and light Notice If the engine is idling speed for a long time in the hot climate It will appear too hot phenomenon Must close engine Fig 3 Fi...

Page 6: ...Horn switch 3 Fig 7 Press 3 button the horn makes sound Fig7 8 Steering handle lock Fig8 Fig 9 Steering handle lock Fig 8 Fig 9 turn handle left to end presses down ignition key to the steering device...

Page 7: ...careful and do not replenish oil together with tidy or water NOTICE If check fuel volume or replace oil soon after stop Beware of burning Keep fuel level under away from the height panel of fuel tank...

Page 8: ...y s wear indicate mark Fig 16 1 Reference marks 2 Indicate marks Notice If totally brake Change the brake block when reference marks and Indicate marks must be situated a straight line Tire Check the...

Page 9: ...ooter has not use for a long time and first step kick starter for some times Make flue into carburetor and then into cylinder and open ignition switch Start engine it is easy to start engine like this...

Page 10: ...t and use two brake system for reduce speed Don t use brake continuously other wise it will reduce the effect of brake because of too hot Warning Don t use single brake when drive with high speed spec...

Page 11: ...ll the winter Make flue tire and battery avoiding corrode Maintenance periodic table Tabel 3 Check before time based maintenance I check and adjust when necessary C clean R change Tabel 3 18 speedomet...

Page 12: ...ng cylinder wear badly Change piston or cylinder Engine does not start Cylinder compresses strength low Piston ring break unused Carbon block Change piston ring clear out carbons 20 Table 4 Complaint...

Page 13: ...22 NOTICE turn off the ignition switch take apart negative pole first but install positive pole when you are installing Adjusting idling speed Fig 22 Fig 23 warm up few minutes before start Idle to a...

Page 14: ...fication of spark plug BPR7HS BP7HS NGK E7TC OR E7RTC Take apart the spark plug Take it of with special tool Examine if there is dirty on poles and the porcelain head in center If it has corroded must...

Page 15: ...l over the engine and finally fit the spark back on Attention The ignition switch must be set to OFF position before stepping down the kick lever To protect the ignition system from damage the spark p...

Page 16: ...Rear Tyre 120 70 12 Ground clearance mm 130 Air pressure of Fr Tire 150 kPa Dry weight kg 90 Air pressure of Rr Tire 200 kPa Max payload kg 75 Transmission system CVT Turning angle of steering handle...

Page 17: ...r min Headlamp 12V 35W 35W 2 Compression ration 7 1 Rear brake light 12V P21 5W Spark plug type BPR7HS BP7HS NGK E7TC or E7RTC Direction light 12V 10W Spark plug gap mm mm 0 6 0 7 Fuel RQ90 above Idli...

Page 18: ...perated maintained and stored as specified in the Owner s Manual ii Give notice to dealer approved by Wangye USA Co LLC or other qualified service facility of any and all apparent defects immediately...

Page 19: ...y constitutes your sole remedy and the full liability of Wangye USA In no event shall Wangye USA be liable for special incidental or consequential damages howsoever caused whether by negligence or oth...

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