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  10. Inspection and maintenance before riding 

18 

   

  THROTTLE VALVE HANDLE CLEARANCE ADJUSTMENT 

 

 Correct clearance allows throttle vale handle to rotate 2~6mm. 

 To adjust, first loosen the fixing nut, then turn the adjusting nut 

to the proper position and securely tighten the fixing nut. 

Throttle Valve Check Items: 

 Check throttle valve cable to see if it can be moved smoothly 

from a closed position to a wide open position. 

 Rotate steering handle from side to side to check that the 

throttle cable is not interfered with. 

 Check to see if the throttle cable is obstructed by any other 

cables preventing it from being operated smoothly.

 

 

 

  TIRE INSPECTION 

 

  Tires should be checked and inflated with the engine shut off. 

  If a tire’s ground contacting curve is abnormal, check it with an air pressure gauge and inflate it to the 

specified pressure to meet applicable standard before riding. 

  Tires pressure must be checked when the tire is cool. 

 

 
 
 
 
 
 
 
 
 
 

  Visual check tires for frontal and lateral side walls for 

crack or damage. 

  Visual check tires for any nails or small stones wedged 

in the tread. 

  Check the “tread wear indicator” condition to see if tread 

groove depth is insufficient. 

  A tire with a wear bar showing is worn out and should be 

replaced immediately. 
 
 

  WARNING: 

 Inspect the scooter’s tires regularly.    Over inflated, under inflated, old, worn or cracked tires can 

adversely affect the way the scooter handles and could lead to sudden tire failure.    Sudden tire failure 
could cause you to lose control of the scooter which could cause an accident and could lead to injury 
or death. 

 

Only ride the scooter with properly inflated tires. Always replace old, worn or cracked tires.

 

 

 
 

 

Adjust nut 

Lock nut 

2~6 mm 

PLEASE REFER TO SPECIFICATIONS FOR STANDARD TIRE PRESSURE 

 

Foreign materials 
(nails or small stones) 

Tread wear 
indicator 

Crack and     
damage 

Summary of Contents for Citycom 300i

Page 1: ...low 1 Removal of or puncturing the muffler baffles header pipes or any other component which conducts exhaust gases 2 Removal or puncturing of any part of the intake system 3 Lack of proper maintenanc...

Page 2: ...SA receives similar complaints it may open an investigation and if it finds that a safety defect exists in a group of vehicles it may order a recall and remedy campaign However NHTSA cannot become inv...

Page 3: ...Control of Throttle Valve Handle 13 Parking Method 13 10 Inspection and Maintenance before Riding 14 Routine Inspection 14 Engine Oil Inspection and Change 14 Inspection of Fuel level 15 Transmission...

Page 4: ...or anti freeze concentration percentages under different temperatures 22 Cooling system inspection 23 Replenishment of coolant 23 Checking the Air Cleaner 24 11 When there is an Abnormal Condition or...

Page 5: ...h Front brake lever Rear brake lever Side stand Main stand Light Starter switch Storage box Muffler Coolant filler cap Ignition switch Turn signal light Headlight Tail light Turn signal light Air clea...

Page 6: ...r riding techniques Thank you very much for choosing a SANYANG scooter In order to maximize your scooter s performance a periodic inspections and regular maintenance should be performed We recommend t...

Page 7: ...cessary repairs before resuming its operation WARNING While riding the exhaust muffler is extremely hot A passenger must use care and place his her feet on the foot pegs to avoid being burned by the e...

Page 8: ...use the scooter to become unstable and hard to maneuver as it may change the center of gravity which could result in an accident that could cause injury or death Do not exceed the maximum authorized l...

Page 9: ...tion when key switch is turned to When key switch is turned to and the pointer also in E position red area Refuel immediately Water temperature gauge To indicate engine coolant temperature When the ma...

Page 10: ...started in this position Ignition switch key can be removed position How to open Insert your key into the ignition switch and turn it to the left How to lock Push the seat and it locks automatically C...

Page 11: ...Release this button immediately after engine has been started and never press the button again to avoid damaging the engine This mechanism is a safety design The engine can only be started after the f...

Page 12: ...turn signal switch to left or right Then the turn signal lights will flash To release simply return the turn signal light button to the original position Right side turn signal light flashing means yo...

Page 13: ...imit of fuel tank when refueling If fuel tank is overfilled fuel will flow out through a hole on the fuel tank cap This could result in a fire and or damage to the scooter Make sure the fuel tank cap...

Page 14: ...TION If the engine does not start after the starter button has been pressed for 3 5 seconds rotate the throttle 1 8th to1 4th open and press the starter button again To avoid damage the starter do not...

Page 15: ...al position and turn the ignition switch key to position to shut off the engine 2 Get off the scooter from left side after the engine has been stopped and select a parking place where the scooter will...

Page 16: ...e the scooter inspected and repaired by an Authorized SANYANG dealer ENGINE OIL INSPECTION AND CHANGE INSPECTION 1 Use the main parking stand to support the motorcycle on a level ground remove the dip...

Page 17: ...e stand is completely retrieved before riding to preventing causing danger Make sure fuel cap on tank is closed tightly before riding scooter Do not run engine in an enclosed space Ensure proper venti...

Page 18: ...the hand braking lever for front and rear wheels its free play the stroke of hand braking lever from no braking to initial braking should be 10 20mm It is abnormal if the feel is spongy when holding t...

Page 19: ...e disk Park the motorcycle on a level ground and check if fluid level is under the LOWER mark Recommended Brake Fluid WELL RUN BRAKE OIL DOT 3 Replenishment of brake fluid 1 Loosen the screws and remo...

Page 20: ...o the specified pressure to meet applicable standard before riding Tires pressure must be checked when the tire is cool Visual check tires for frontal and lateral side walls for crack or damage Visual...

Page 21: ...ized Dealer or Franchised Dealer for a check or adjustment if any abnormal conditions are found Figures on the right are for operation checks only REAR CUSHION HARDNESS SETTING The rear cushion is 4 s...

Page 22: ...tery clean If the battery s posts are corroded and or are covered with white powder clean them with warm water If there is obvious corrosion on the battery terminals disconnect the battery cables and...

Page 23: ...harge the battery Avoid spraying water directly on or around fuse box when washing the scooter Take your scooter to your dealer for an inspection if a fuse is blown by unknown causes CHECKING THE TURN...

Page 24: ...h a rag Check the electrode and adjust its gap to 0 8 mm Check it with a feeler gauge Hand tight the spark plug as far as it can go and then tighten it another 1 2 3 4 turns with a wrench WARNING The...

Page 25: ...cover Open reserved tank cap refill coolant until reaches the upper limit If coolant level becomes too low and occurs too often it may indicate there is something wrong with the coolant system To avoi...

Page 26: ...isassemble CAUTION Dust deposit is one of the major causes of reducing output horsepower and increasing fuel consumption Change the air cleaner element more frequently to prolong the engine s service...

Page 27: ...n Have your scooter checked by SYM authorized dealer or franchised dealer immediately if there are no problems with the above items and engine still can not be started 12 SUGGESTIONS ON ENGINE FUEL Th...

Page 28: ...the throttle valve handle may cause the scooter moving forward suddenly and it is very dangerous Make sure the side parking stand is spring back completely before riding off Do not use the brake sudde...

Page 29: ...am Chain ignition time I I 19 Valve clearance I I 20 Shock absorbers I I 21 Front rear suspension I I 22 Main side stands I I L 23 Crankcase Blow by system PCV I I 24 Coolant I I R 25 Cooling fan line...

Page 30: ...110 70 16 52P Rear tire 140 70 16 65P Wheel Aluminum alloy Tire pressure Front STD 1 75kg cm2 Rear STD 2 0 kg cm2 for 1 person 2 25 kg cm2 for 2 person Front brake Disc type 260 mm Rear brake Disc ty...

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