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Baotian BT50QT-9, Service Manual

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Baotian BT50QT-9 Service Manual Download Page 30

VIII. REAR SHOCK ABSORBER SERVICE 

 

Dismounting 

Remove motorcycle body covering parts. 

Remove 2 mounting bolts of air filter. 

                                                                                       

 

 

 

Remove mounting bolt connecting rear shock 

absorber and motorcycle frame, bolt connecting 

rear shock absorber and engine. 

Withdraw air filter; 

Remove rear shock absorber. 

 

Inspection 

Inspect rear shock absorber oil seal for oil 

leakage, inspect buffer bar and spring for 

deformation and other parts for damage and 

loosening. 

 

Mounting 

Mount rear shock absorber. 

Torque:  

upper mounting bolt:   40N

·

m 

bottom mounting bolt:    25N

·

m 

Mount air filter. 

Mount motorcycle body covering parts. 

 

 

 

 

 

 

 

 

 

28

rear shock absorber

mounting bolt

mounting nut

 

upper mounting 

bolt

rear shock absorber

 

mounting bolts

air filter

 

www.asiamotor.se Baotian European Spare parts Center

Summary of Contents for BT50QT-9

Page 1: ...BT50QT 9 BT49QT 3 SERVICE MANUAL JIANGMEN SINO HONGKONG BAOTIAN MOTORCYCLE INDUSTRIAL CO LTD w w w a s i a m o t o r s e B a o t i a n E u r o p e a n S p a r e p a r t s C e n t e r...

Page 2: ...9 STEERING STEM INSPECTION 10 CHAPTER TWO MAINTENANCE INFORMATION FRAME NUMBER AND ENGINE NUMBER LOCATION 11 PRECAUTIONS IN OPERATION 11 SPECIFIED TORQUES 12 CHAPTER THREE BODY TROUBLESHOOTING SECTION...

Page 3: ...ong time running of the engine z Replace engine oil at short intervals so that metal chips caused in the running in period can be discharged It is recommended to replace engine oil for 3 times during...

Page 4: ...Tire I I I Steering rod bearing I I I Screws and bolts of parts I I Rear brake cam C Notes 1 I Inspect and when necessary clean lubricate supplement modify or replace A adjust C clean R replace T tig...

Page 5: ...tire pressure Headlight beam adjustment Rear brake rod free play Rear shock absorber damage loosening Air filter contamination Front brake disc damage wear Front brake caliper wear of friction lining...

Page 6: ...ing is needed by machine parts and positions which call for cleanliness and tidiness Cleaning operations include all the means and measures taken to remove dust contamination metal chips oily stains a...

Page 7: ...just by loosening the fastening nut and turning the adjusting nut Fine adjustment is effected on the side of the throttle grip Effected adjustment is by removing the dust cover loosening the tightenin...

Page 8: ...trainer cover Take out the foam strainer Immerse foam strainer in gasoline and wash it to remove dust and impurities by gripping and pressing Press gasoline out of the foam Soak the cleaned foam with...

Page 9: ...must be replaced when it is worn to the limit of use It is not necessary to remove brake oil pipe when replacing brake block Brake block must be replaced as a set Remove the brake block pin by means...

Page 10: ...when free travel exceeds limit VIII FRONT AND REAR SHOCK ABSORBER INSPECTION 1 Front Shock Absorber Tighten front brake lever press front shock absorber up and down and inspect actuation Inspect fron...

Page 11: ...spection Inspect if there is fissure or iron nail in the tire In one of the following conditions tires must be replaced instead of repair z Puncture of tire by a foreigner matter 6mm in diameter or ti...

Page 12: ...t 60N m rear wheel nut 120N m X STEERING STEM INSPECTION Swing handlebar right and left to see if there is interference such as wire or other things Turn front wheel to see that handlebar is easy in o...

Page 13: ...d or equivalent greases z Parts must be tightened and their performances inspected at their positions when mounted z The battery s negative terminal must be disconnected before operation Make sure tha...

Page 14: ...sleeves should not be placed with the open side up z Wire bunch bands should be fixed at the specified position of motorcycle frame z Wire clamps must correctly keep wires in place Avoid welding stai...

Page 15: ...25 Front shock absorber upper lock bolt 4 M8 35 Steering stem lock nut 1 M25 70 Handlebar mounting nut 1 M10 45 Upper bearing top 1 M25 2 5 Exhaust muffler connector nut 2 M6 12 Exhaust muffler mounti...

Page 16: ...re air Refer to Front Wheel Service Rear Wheel Service Imbalance of right and left shock absorbers Refer to Front Shock Absorber Service Bent front fork Refer to Front Fork Service Deflected steering...

Page 17: ...d main cylinder Clogged narrow brake system Clogged narrow liquid passage Viscous worn brake caliper Inability of brake caliper normal sliding Worn seal ring of brake caliper piston Stiff brake lever...

Page 18: ...ounting Roundness error of wheel rim Deformation of wheel rim Deviation of motorcycle direction inclining to roadside Inadequate tire pressure Refer to Front Wheel Service Deformed wheel rim Loose fro...

Page 19: ...nting Support the body bottom to lift front wheel Remove front axle nut brake calipers front absorbers connecting bolt and remove brake calipers front shock absorber transmission gear box front axle b...

Page 20: ...Front Wheel Bearing Inspection Remove front wheel bearing and dust cover Turn bearing inner race to inspect sliding Replace it with a new one in case of no sliding or damage or loosening of outer rac...

Page 21: ...Brake Oil Replacing z Prevent dust or water from entering brake system z Do not use brake oils of different specifications or impure brake oils z Prevent brake oil from dripping onto rubber plastic o...

Page 22: ...servoir cover bolt Main Brake Oil Tank Dismounting and Mounting Dismounting Remove 4 screws of front part and rear part of head cover Remove front part and rear part of head cover Exhaust brake oil fr...

Page 23: ...on at the end of auxiliary cup Mounting Apply pure brake oil to piston main cup and auxiliary cup Mount spring piston retaining ring and piston cap z Piston cup cannot be used inside out Apply grease...

Page 24: ...unt 4 bolts Torque upper bolt 35N m Mount front wheel Mount front fender IV FRONT FORK SERVICE Dismounting Remove motorcycle body covering parts Remove handlebar bolt bush and nut from handlebar Remov...

Page 25: ...djustment and fasten it Inspect for correct position of bearing cup and bearing top and if not effect correct mounting front wheel shock front fender bracket bottom bearing cup bearing top and ball se...

Page 26: ...f front part and rear part Remove connectors of left handlebar switch Remove 2 screws of left handlebar switch Remove left handlebar switch Remove left grip from handlebar Remove front brake main cyli...

Page 27: ...d cover z Confirm easy rotation of throttle grip z When mounting handlebar rubber apply a thin film of adhesive to contacting face and then mount grip in a turning manner VI REAR WHEEL SERVICE Dismoun...

Page 28: ...k Replacement Remove rear brake block and return spring as a whole and replace them with new ones z See that no grease is with brake block friction surface Rear Brake Disassembling Remove rear brake a...

Page 29: ...on brake swing arm should be aligned with the cut off of brake cam Mount brake swing arm setting bolt and fasten it Torque 10N m Mount brake block assembled with spring Mount rear wheel Mount exhaust...

Page 30: ...n Inspect rear shock absorber oil seal for oil leakage inspect buffer bar and spring for deformation and other parts for damage and loosening Mounting Mount rear shock absorber Torque upper mounting b...

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