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Sym HU05 Series, Instruction Manual

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Sym HU05 Series Instruction Manual Download Page 19

8. INSPECTION AND MAINTENANCE BEFORE RIDING 

19

 

 CHECKING AND CHANGING FUSES  

Turn off ignition switch, and check fuses if they are intact. Replace the blown fuse with a new one 
having the same specified amperage rating (7A). Using a fuse of more than 7 amperes, a brass or iron 
ire to replace a blown fuse is strictly prohibited to avoid damaging the electrical system and the circuit. 

 

Remove the storage box, and you’ll find the fuse box near light. 

 

Open the fuse box cover, and pull out the fuse.    Check it for damage or broken. 

 

Fuses must be firmly secured with wire connectors when replacing. Loose connections will result in 
overhead and damage. 

 

Use only parts having the specified specification to replace electrical components such as light bulbs. 
Using parts not having the specified specifications for replacement may cause the fuse to blow and 
over-discharge 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. 

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REMOVE

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INSTALLATION

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  CHECKING THE SPARK PLUG 

 

 

Remove the cap of spark plug cable (remove 
the spark plug using the spark plug wrench in 
the tool kit. 

 

Check the electrode if it is dirty or fouled by 
carbon deposits. 

 

Remove the carbon deposits on the electrode 
with steel wire, and clean the spark plug with 
gasoline, then, wipe dry with a rag. 

 

Check the electrode, and adjust its gap to 
0.6~0.7 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 engine is very hot after running. Pay attention not to get burned. 

Use only spark plugs suitable for the engine specifications of this scooter recommended by the 
manufacturer. (Refer to specifications.) 

  CHECKING THE FRONT AND REAR LIGHTS   

 

Start engine and turn on the head lamp switch.    Check if head lamp and rear lamp come on. 

 

Check the brightness and direction of front light by wall to see if it is correct. 

 

Check the head lamp cover if it is dirty, crack, or loosen.

 

0.6~0.7 mm 

Press in from above

Fuse connectors

Wire 

Summary of Contents for HU05 Series

Page 1: ...off 11 The Control of Throttle Valve Handle 12 Parking Method 12 8 Inspection and Maintenance before Riding 13 Routine Inspection 13 Fuel Inspection 13 Engine Oil Inspection and Change 14 Transmission Oil Inspection and Change 14 Inspection and Adjustment of Brake Free Play 15 Disc Brake Inspection Depending on Models 16 Throttle Valve Handle Clearance Adjustment 17 Tire Inspection 17 Steering Han...

Page 2: ...of Body s Various Mechanisms 20 Checking the Air Cleaner 21 9 When there is an Abnormal Condition or a Trouble 22 Diagnosis when Engine does not Start 22 10 C D I Electrical Ignition System 23 11 Suggestions on Engine Fuel 23 12 Transmission Oil 23 13 Cautions for Riding Scooter 23 14 Periodical Maintenance Schedule 24 15 Specification 25 ...

Page 3: ...r cleaner Front light Storage Box Ignition switch Turn signal light Seat open Horn switch Rear turn light Tail light Muffler Light Starter switch Front Brake lever Rear brake lever Back mirror Fuel tank cap Fuel tank Front turn light Oil level Fuses C D I Battery ...

Page 4: ...ought scooter very carefully but after they became familiar with their scooters they tended to become reckless which may result in an accident To remind you Please wear a safety helmet and properly tighten the chin belt when riding a scooter Clothes with open or loose cuffs may be blown by wind and cause the cuffs to get caught on the steering handle and thus affects riding safety So put on clothe...

Page 5: ... safety Therefore do not overload your scooter CAUTION Do not place flammable materials such as rags between the body side cover and engine to avoid components damaging by fire Do not load objects on areas not specified for loading to avoid damage SUGGESTION To maximize the scooter s performance and prolong its service life The first month or first 1000km is the wear in period for the engine and c...

Page 6: ...ight switch when it is turned on Fuel Gauge The pointer in this gauge shows how much fuel remains in the tank The pointer stays in E position when key switch is turned to Engine Oil Change Indicator This indicator shows when to change engine oil by colors Usually the indicator will be in green But it will be in red color when the scooter has been ride approximately 1 000 km Then it means you shoul...

Page 7: ...ly LOCK position steering handle lock Turn the steering handle to left and press ignition switch key down and then lightly turn it to left to the position The steering handle is locked in this position Ignition switch key can be removed When unlocking simply turn the key from to CAUTION Never operate the ignition switch key when the scooter is running To turn the ignition switch to will shut off t...

Page 8: ...al starter button This is a starting motor button switch for engine starting With the main switch position press this button while holding the front or rear brake lever will start the engine CAUTION 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 fr...

Page 9: ...this button when you are in the area where there s no honking SEAT LOCK Unlock 1 Insert the ignition switch key into lock located under seat left front and turn to right to unlock 2 Press the seat open switch SEAT OPEN Lock Press the seat down and it will be locked automatically After the seat has been locked check to make sure it has been locked properly by lightly lifting the seat CAUTION Be sur...

Page 10: ...RAGE BOX This box is located under the seat Maximum load capacity 10kg Do not store valuables in the box Make sure that the seat has been locked completely after it was pressed down Take out valuables before washing to avoid wetting these objects Do not place thermal sensitive objects in the box because of engine s heat and high temperature BRAKE Avoid unnecessary sudden braking Use front and rear...

Page 11: ...ft idle for a long time or after refueling only after the fuel has been depleted Then it is necessary to press starting lever or starter button several times and keep the throttle valve handle at the close position to start the engine It may need several minutes to warm up engine if it is a cold start Exhaust contains harmful gases CO therefore please start the engine at a well ventilated place Wh...

Page 12: ... the turn signal switch back to its original position and turn the ignition switch key to position to shut off the engine 4 Get off the scooter from left side after the engine has been stopped and select a parking place where the scooter will not interfere with traffic and the ground is level then put down scooter s main parking stand 5 Hold the steering handle with your left hand and hold down th...

Page 13: ...n Can it be seen clearly from behind Tightness of Main Components Are screws nuts loosen Abnormal Points Do the previous troubles still exist CAUTION If any problem founded during routine inspection correct the problem before using the scooter again have your scooter checked and repaired by the SYM dealer or authorized service personnel if necessary FUEL INSPECTION Turn ignition switch key to posi...

Page 14: ... grade or better engine oil Otherwise damage will not be covered by warranty Recommended Oil SYM Genuine EXTRA 4X OIL Oil Capacity MIO50 0 8 Liter 0 7 liters for routine change MIO100 0 75 Liter 0 6 liters for routine change TRANSMISSION OIL INSPECTION AND CHANGE INSPECTION Use the main stand to support the scooter on a level ground after the engine stops wait for 3 5 minutes Remove the transmissi...

Page 15: ...ent nut must be aligned with the pin see below figure CAUTION When free play is between 10 20 mm check brake indicators of front and rear wheels If the arrow on the brake arm aligned with the marked on the brake disk that means the brake lining has been excessively worn and must be replaced immediately Turn the adjustment nut on brake arm of front and rear wheels to adjust the free play of hand br...

Page 16: ...il quantity in brake oil reservoir Park the scooter 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 front wheel brake fluid 1 Loosen the screws and remove the master cylinder cover 2 Wipe clean foreign materials dirt around the reservoir being careful not to let foreign materials fall into the reservoir 3 Remove t...

Page 17: ...ed 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 Tires pressure must be checked with an air pressure gauge when cold 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 condi...

Page 18: ...removal procedures are as follows Turn ignition switch then open the battery cabinet door and remove negative cable screw firstly and disconnect the negative cable Then remove positive cable screw and positive cable CAUTION Clean the battery posts with warm water if the posts are eroded and have some white powders on them If there is an obvious erosion on the terminals disconnect the cables then c...

Page 19: ...cooter Take your scooter to your dealer for an inspection if a fuse is blown by unknown causes REMOVE INSTALLATION CHECKING THE SPARK PLUG Remove the cap of spark plug cable remove the spark plug using the spark plug wrench in the tool kit Check the electrode if it is dirty or fouled by carbon deposits Remove the carbon deposits on the electrode with steel wire and clean the spark plug with gasoli...

Page 20: ...nd make sure that the front rear and left right signal lights flashes and also check if the warning buzzer sounds Check turn signal light covers if they are dirty crack or loosen Press horn button to check if it works CAUTION Specified specification bulbs should be used for turn signal lights Otherwise the normal operation of turn signal lights will be affected Turn on the turn signal light before...

Page 21: ...it 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 life if the scooter is ride on dusty roads very often If air cleaner is installed improperly dust will be absorbed into cylinders which may cause a premature wear and reducing output power and engine life Be careful not to soak t...

Page 22: ... applied when pressing starting button 5 Do you rotate the throttle valve handle while pressing starting the button 6 Turn the ignition switch key and press horn button down if the horn does not sound the fuse may have been blown 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 For ...

Page 23: ...gine RPM before riding off 2 Get on the scooter from the left side and sit on the seat properly keep your feet firmly on the ground to prevent the scooter from falling CAUTION Apply brake on the rear wheel before riding off 3 Rotate the throttle valve handle slowly and then the scooter will begin to move CAUTION Rapidly rotate the throttle valve handle may cause the scooter moving forward suddenly...

Page 24: ... 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 Clutch weight I 25 Brake mechanism brake pad I I 26 Bolts nuts for each components I I The above maintenance schedule is established by taking the monthly 1 000 kilometers as a reference which ever comes first Have your scooter checked and a...

Page 25: ...tire 3 0 10 42J 90 90 10 50J Rear tire 90 90 10 50J Wheel Steel Front STD 1 75 kg cm 2 Tire pressure Rear STD 2 0 kg cm 2 for 1 person 2 25 kg cm 2 for 2 person Front brake Drum type Ø 110 mm Disk type Ø 160 mm Rear brake Drum type Ø 95 mm Drum type Ø 110 mm Front light bulb high low 12V 30W 30W 1 Brake light bulb tail light 12V 5W 18W Turn signal light bulb 12V 10W Speedometer light bulb 12V 3 4W...

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