SunL SL150-18 Manual Download

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TROUBLESHOOTING

Starts but runs irregularly or misses

6. CVT wears and tears.

See dealer or service.

1. Spark plug in bad condition or partially fouled.

Vibration

2. Spark plug cables in bad condition and leaking.
3. Spark plug gap too close or to wide.

1. Stabilizer links worn or loose. See dealer or service.

4. Battery nearly discharged.

2. Tie bar (engine isolation) mounts loose. See dealer or service.

5. Damaged wire or loose connection at battery terminals or coils.

3. Broken frame. See dealer or service.

6. Intermittent short circuit due to damaged wire insulation.

4. Wheels and/or tires are damaged. See dealer or service.

7. Water or dirt in fuel system, filter or carburetor.

Lubrication system

8. Fuel tank vent system plugged. See dealer.
9. Air cleaner is clogged.

1. Oil tank empty.

10. Exhaust muffler is clogged.

2. Engine leaks oil from cases, push rods, hoses

Pre-ignition or Detonation (Knocks or Pings)

a) Loose parts, See dealer or service.

1. Incorrect fuel.

b) Imperfect seal at gaskets, push rod cover, washers, etc. See

dealer or service.

2. Incorrect spark plug.

Overheats

Electrical system

1. Low speed for long time.

Generator does not charge

2. Insufficient oil supplying or oil not circulating.
3. Heavy carbon deposit from “lugging” engine. See dealer or service.

1. Module not grounded. See dealer or service.

4. Ignition timing retarded. See dealer or service.

2. Engine ground strap loose or broken. See dealer or service.

5. Clutch skid. See dealer or service.

3. Loose or broken wires in charging circuit. See dealer or service.

Generator charge rate is below normal

6. Detent clip. See dealer or service.

Engine abnormal noise

1. Weak battery.

1. Engine’s valve gap over standard, rock arm or camshaft wear and
tear. See dealer or service.

2. Excessive use of add-on accessories.
3. Loose or corroded connections.

2. Cylinder and piston wear and tear. See dealer or service.

4. Extensive periods of idling or low speed riding.

3. Piston pin and rod wear and tear. See dealer or service.

Transmission

4. Needle bearing and rod wear and tear. See dealer or service.
5. Camshaft bearing, cam wear and tear. See dealer or service.

1. Belt worn out or broken. See dealer and service.

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SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL

Summary of Contents for SL150-18

Page 1: ...ng 10 Driving tips 10 Starting the engine 10 Starting to drive on 11 Driving on a slope 11 Braking and Parking 11 MAINTENANCE Maintenance Chart 12 Engine oil dipstick 13 Oil replacement 13 Gear oil replacement 14 Carburetor 14 Throttle cable adjustment 14 Idle speed adjustment 14 Spark plug 15 Air cleaner 15 How to clean the core of air cleaner 15 Brake system 16 Drain out the air from brake syste...

Page 2: ...nsmission 20 Brakes 21 TECHNICAL SPECIFICATION 22 NL SUNL SUN NL SUNL SUNL SUNL SUN UNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUN SUNL SUNL SUNL SUNL SUNL SUN L SUNL SUNL SUNL SUNL SUNL SU NL SUNL SUNL SUNL SUNL SUNL S NL SUNL SUNL SUNL SUNL SUNL S UNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL ...

Page 3: ...o avoid its being caught by the handlebars kick starter footrests or the wheels The exhaust system turns hot when running the driver and passenger should wear trousers and shoes boots that cover and protect their legs and feet Don t touch the hot exhaust pipe Modification Warning You must observe the vehicle regulations stipulated by the state and local authorities never privately modify or disass...

Page 4: ... carrier 21 Exhaust Muffler 26 Position light 22 Taillight Rear turning light 27 Front disc brake 23 Cap of fuel tank 28 ABS 24 Luggage cabinet 29 Oil dipstick 25 Front turning light 30 Rear disc brake NL SUNL SUN NL SUNL SUNL SUNL SUN UNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUN SUNL SUNL SUNL SUNL SUNL SUN L SUNL SUNL SUNL SUNL SUNL SU NL SUNL SUNL SUNL...

Page 5: ...ressed on the front frame under chassis number cover the engine number is pressed on the left side of the crankcase and the statutory inscription plate is installed on the lower right side of frame Engine number NL SUNL SUN NL SUNL SUNL SUNL SUN UNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUN SUNL SUNL SUNL SUNL SUNL SUN L SUNL SUNL SUNL SUNL SUNL SU NL SUNL...

Page 6: ...tem steering stem had been voltage indictor sheet 8 turned to left key can be moved out indicating the valtage of battery when the clock point at red line it means that the voltage are not enough and the battery should be charged Key There are two keys with scooter keep one of them carefully for false key Left handle Dimmer switch of headlight 1 Meter When the head light switch on Speedometer 1 th...

Page 7: ...engine hold the lever of rear brake and push this button in three seconds the engine will be started Notice When using the electrical start button it should not push the button over 5 seconds once When starting failed please check fuel support and starting circuit system Warning When you change the driveway or turn please turn on the turn signal light on time after change driveway or turn please t...

Page 8: ...s easy effected by heating and should not be over 10 0kg Push the seat down with some force until you hear lock sound to close the luggage cabinet Always check the seat is fully locked by pulling up on the seat Rear carrier rack Luggage can be loaded on rack Keep luggage not extrude out of luggage rack and should not be over 3 0kg Note When you parking the scooter on the slope should let the head ...

Page 9: ...od of new scooter First maintenance A perfect run in period of a new scooter is very important to extend the life of the scooter and exert perfect performance The following is the correct method during running in period of new one The maintenance within the first 1000Km is the most important job for a scooter After run in period of new one all the engine parts and other parts are combined well wit...

Page 10: ...re fully familiar with control and operation of this motorcycle One hand driving is extremely dangerous Keep both hands firmly on the handlebars and both feet on the footrests Under no circumstance should both hands be removed from the handlebars Warning Don t reduce the speed when you are making a cornering Slow down to a safe speed before cornering When the road surface is wet or slippery you mu...

Page 11: ...rd yourself and release the brake lever gradually at the same time then the scooter will start moving forward The speed can be adjusted by rotating the right handle grip throttle grip which can be accelerated by turning the throttle grip toward yourself slowly and can be decelerated by returning the throttle grip clockwise quickly Warning The fast the speed the longer the braking distance Be sure ...

Page 12: ... R R C R C Carburetor I I C I C I I T I T I T Throttle control cable Valve clearance Engine I I Engine oil Replace every 1000Km Front shock absorb cushion oil I R Air cleaner and paper filter core C C R R Spark plug I I C I C Spring of main stand side stand I I I I Tires I I I I Lights I I I I 12 NL SUNL SUN NL SUNL SUNL SUNL SUN UNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL...

Page 13: ... scooter after it has meshed well and has run 1000km This will ensure your scooter to be superior in performance and reliable in safety Do make a careful periodic maintenance according to the instructions in this manual Stand the scooter on flat surface by using the main stand Drain all the used oil before the engine is fully cooled 1 Remove the oil dipstick Caution Periodical inspection may revea...

Page 14: ...dle speed adjustment 1 Start the engine and keep it running until it is fully warmed up 2 With the engine warmed up set free Warning Always check the gear oil level before and after driving long distance Always use the specified gear oil and don t mix with other gear oils Make sure that gear oil drain screw is tightened after being reinstalled Be carefully when draining the gear oil from a pre hea...

Page 15: ... cleaner and take off the paper filter core 3 Loosen the screws on the inside fence open the fence and take off the sponges in front of air intake pipe How to clean the core of air cleaner 1 Use high pressure air to blow and clean the paper filter core 2 Pour the non inflammable detergent into a basin of proper size container and immerse the sponges into detergent for cleaning Caution Never start ...

Page 16: ...stem Disc brake system is not working and the brake lever is lost of resistance when there is air in the brake system 1 Try to squeeze the brake lever and hold on the brake lever when feeling the resistance 2 Loosen the drain air out screw R on the caliper counterclockwise and drain out air from the brake system 3 Reinstall that screw R tightly after air had drained out loosen A on inflammable det...

Page 17: ...heck to escape from nail or glass on the tires Always replace tires when there is visible damage such as broken tread or gashes in the tire wall Driving a scooter with excessively worn tires decreases riding stability and leads to loss of control Replace the front tire when its tread depth decreases to less than 1 6mm and the rear tire when its tread depth is less than 2mm Specifications of tires ...

Page 18: ...ront rear brake lever be sure the stop light will be on 4 Uninstall the battery and store it in a ventilating place and is suggested to charge once a month 2 Turn ignition switch on and push the turning signal light button be sure the front rear turning lights is working normally 5 Clean the scooter and apply anti rust oil to the iron parts 6 Inflate the tire and stand up the scooter keep the whee...

Page 19: ...ful in keeping your scooter in good operating condition More than one of these conditions may be causing the trouble and all should be carefully checked 2 Spark plug cables in bad condition and leaking 3 Battery nearly discharged 4 Loose wire or cable connection s at one of the battery terminals or at coil Warning The troubleshooting section of this User s Manual is intended solely as a guide to d...

Page 20: ... oil not circulating 3 Heavy carbon deposit from lugging engine See dealer or service 1 Module not grounded See dealer or service 4 Ignition timing retarded See dealer or service 2 Engine ground strap loose or broken See dealer or service 5 Clutch skid See dealer or service 3 Loose or broken wires in charging circuit See dealer or service Generator charge rate is below normal 6 Detent clip See dea...

Page 21: ...e local dealer before making a check and repair If your scooter is still under warranty you must consult the dealer before making the repair by yourself for an unauthorized repairing will deprive you of some items covered by the warranty 21 NL SUNL SUN NL SUNL SUNL SUNL SUN UNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUN SUNL SUNL SUNL SUNL SUNL SUN L SUNL S...

Page 22: ...signallight 12V5W 21W Enginetype Singlecylinder aircool 4 stroke Taillight brakelight 12V5W 21W Bore stroke 52 4mm 57 8mm 125 57 4mm 57 8mm 150 Meterlight 12V3W Cylinderworkcapacity 124 9ml 125 119 5ml 150 Farbeamindicator 12V3W Compressionratio 9 0 1 Turningsignalindicator 12V3W Max power rotatespeed 5 8kw 7500 r min 125 7 0kw 7500 r min 150 Mobileindicator 12V3W Max torque rotatespeed 7 8N m 550...

Page 23: ...NL SUNL SUNL SUNL SUNL SUNL SUN SUNL SUNL SUNL SUNL SUNL SUN L SUNL SUNL SUNL SUNL SUNL SU NL SUNL SUNL SUNL SUNL SUNL S NL SUNL SUNL SUNL SUNL SUNL S UNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUNL SUN SUNL SUNL SUNL SU SUNL SU ...

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