KYMCO Sento 50 User manual

KWANG YANG MOTOR CO.,LTD.
SENTO/KIWI 50
KIWI 100

Dear Users:
We greatly appreciate your patronage of KYMCO
SENTO /KIWI
This Owner‘s Manual describes the correct operating methods, inspection and
maintenance procedures for the KYMCO
SENTO /KIWI
details in order to
prolong the service life of motorcycle and provide you with a comfortable riding.
Please note that the information and illustrations included in this manual may be
different from the motorcycle in case specifications are changed.
To enable you to have a safe and comfortable riding, we recommend you to read
this manual carefully and wish you a happy riding.
N
ote: 1. The information and specifications stated in this manual are for reference only
and subject to change without notice.
2. When starting the engine, the battery must be installed to facilitate starting and
increase the engine performance.

XWARRANTY EXCLUSIONS
1. Any damage that results from accidents or other natural disasters.
2. Any damage that results from improper operating methods, modifications or not using
genuine parts, and change of speedometer which shows false reading of mileage.
3. Any repairs and adjustments not performed by KYMCO specified service stations and
no records provided.
4. Any damage that results from any repair, cleaning, adjustment and replacement
performed by the motorcycle owner but not by the KYMCO specified service stations.
5. Any damage results from not using motor oil, engine oil and 92# or 95# nonleaded
g
asoline s
p
ecified b
y
KYMCO.

TABLE OF CONTENTS
1. PRECAUTIONS FOR A SAFE RIDING .............................................................. 1
2. ASSEMBLY PARTS............................................................................................... 3
3. OPERATION INSTRUCTIONS............................................................................ 5
4. PRE-RIDE INSPECTION ................................................................................... 11
5. ENGINE STARTING METHODS....................................................................... 19
6. NORMAL RIDING METHOD............................................................................ 22
7. PRECAUTIONS FOR RIDING .......................................................................... 24
8. HOW TO STOP RIDING..................................................................................... 27
9. EASY MAINTENANCE ...................................................................................... 29
10. IMPORTANT NOTICES ..................................................................................... 37
11. SENTO/KIWI SPECIAL PARTS INTRODUCE……………………………….38
12 POLLUTION-FREE PERIODIC MAINTENANCE SCHEDULE……………………40
13. SPECIFICATIONS………………………………………………….……………. .41

1.PRECAUTIONS FOR A SAFE
RIDING
(1) CLOTHES
XTo relax and wear comfortable clothes are the main
points for a safe riding.
XTo observe traffic laws, keep a cool mind, relax and
be careful will provide you a safe riding.
(1)Wear helmet and fasten it tightly.
(2)Have the clothes well-arranged. Fasten shirt cuffs
and keep them from hooking the brake lever.
(3)Wear low-heeled shoes for a safe riding.
(4)When riding, use both hands to grasp the handlebar.
It is very dangerous to hold the handlebar with one
hand.
※CAUTION:
XA motorcycle rider should not wear loose or too long
clothes to avoid danger.
XDuring riding or 10 minutes after the motorcycle is
stopped, do not touch the exhaust muffler to avoid
scalding.
XWhen parking the motorcycle, keep it away from dry
lawn or inflammables to avoid danger.
1
(1)
(2)
(4)
(3)

(2)RIDING METHOD
XThe safety of two-wheel vehicles is influenced by sitting
position. The rider should sit on the central part of the
seat cushion. If the rider sits on the rear part of the seat,
the load of front wheel will decrease. As a result, the
handlebar will swing and cause danger to the rider.
XWhen making a turn, it will be easier for the rider to steer
the motorcycle by leaning the body inward slightly. The
motorcycle will lose its balance if the rider fails to keep
his body leaning inward.
XWhen riding on a damaged or macadam road. Slow down
the speed and hold the handlebar tightly.
(3) CARRYING GOODS
XKeep a good sitting posture to operate the motorcycle
properly.
XThe feel of the handlebar will be different when carrying
goods on the motorcycle. Overloading may cause the
handlebar to swing. Avoid riding with overload.
XMax. loading capacity of the met-in box is 10 kg.
XMax. loading capacity of the front tool box is 5 kg.
2

2. ASSEMBLY PARTS
{ R. Mirror
| Ignition Switch
} R. Front Turn Signal Light
~ Oil Dipstick
 Exhaust Muffler
 Rear Carrier
 Fuel Tank
 Battery
 Right Passenger foot peg
3










{L. Mirror
|Head Light
}L. Front Turn Signal Light
~Frame Serial NO(VIN)
Main Stand
Engine Serial Number
Kick Lever
L. Rear Turn Signal Light
Taillight/Stoplight
Left Passenger foot peg
4








3. OPERATION INSTRUCTIONS
(1) IGNITION SWITCH/STEERING
HANDLEBAR LOCK
：start the engine. The key cannot be taken out.
From this position, press and turn the key left, the seat
unlocked and the engine keep running..
:At this position, power is cut off and the engine stops.
The key can be taken out.
From this position, turn the key left, the seat unlocked.
:At this position, the steering handlebar is locked. The
key can be taken out
:To open the fuel fill cap,turn the key to the " "
position Make sure that the key is at the " " position
when starting the engine.
《Locking Method》
Turn the steering handlebar left to the full and then press
to turn the ignition switch key to " "position and the
handlebar is locked.
《Unlocking Method》
Turn the key to " " and the lock is released
automatically.
5
※CAUTION:
XAfter locking, turn the handlebar gently to make sure that it is
locked.
XDo not turn the ignition switch to " " during riding, other
wise the handlebar will be out of control and cause accidents.
XDon't park your motorcycle at a place to hinder the traffic.

6
(2) STARTER BUTTON
XTo start the engine, first turn on the ignition switch and then
press the starter button. At this time, be sure to fully apply the
front or rear brake
※CAUTION:
XDuring engine running, do not push the starter button to avoid
engine damage.
XTurn the headlight switch and signal switch "OFF" before using
the starter button.
XRelease the starter button immediately after the engine is
started.
(3) HEADLIGHT SWITCH
OAt this position, the position light, headlight,
instrument lights and taillight go out together.
At this position, the position light, instrument
lights and taillight light together.
 At this position, the position light, headlight,
instrument lights and taillight light together.
(2)
(3)

7
(4) HEADLIGHT DIMMER SWITCH/ PASSING
SIGNAL SWITCH
Switch to this position for using high beam.
When riding in downtown area or there is
a car coming from the opposite direction,
use low beam to avoid affecting the visibility
of coming cars.
PASSING When this switch is pressed ,the headlight flashes on
to signal approaching cars or when passing.
(5) HORN BUTTON/TURN SIGNAL SWITCH
XWhen the ignition switch is turned " ", press the horn button
and the horn will sound. For turning to the right.
For turning to the left. Push the turn signal switch
button to release it. Horn Button
The horn and turn signal switch do not work when the ignition
switch is " ".
※CAUTION:
XThe turn signal light will not release automatically. Be sure to
reset it after use; otherwise it may affect the traffic safety.








8
(6) SEAT LOCK/MET-IN BOX
XTo open the seat, insert the ignition switch key into the seat lock
and turn it right. Lift up the seat.
XMax. loading capacity of the met-in box is 10kg.
XTo close the seat, put down the seat and press it down to make
it lock automatically. Then slightly pull up the seat cushion to
make sure that it is locked.
※CAUTION:
Never put the key under the seat cushion and lock the seat.
(7) HELMET BUCKLE
XOpen the seat lock and lift up the seat.
XPut the helmet retaining ring into the helmet buckle.
XPut down the seat and it will lock automatically.
Take out the helmet in the reserve order of the above steps.
※CAUTION:
When riding, wear the helmet and do not retain it on the
motorcycle to avoid damage of coated parts.
(6)
(7)

9
(8) INSTRUMENTS
 ODOMETER: The total riding mileage is indicated by
kilometer. The figure in black and white is an unit of 100m.
 SPEEDOMETER: The riding speed is indicated by
km/hour
or mph.
 TURN SIGNAL INDICATOR LIGHT: When the
turn signal switch is operated, this indicator light will wink.
 HIGH BEAM INDICATOR LIGHT: This indicator
light comes on when the long distance light is turned on.
 FUEL GAUGE: The fuel gauge show the volume of
gasoline in the fuel tank.If the fuel gauge pointer is at the E
area, the fuel is insufficient.Refill nonleaded gasoline as soon as
possible.
 OIL SERVICE INDICATOR LIGHT: If the oil
service indicator comes on while driving, this indicates that the
engine oil should be changed at each maintenance interval.
*Insert the release hole with the key after replacing the
engine oil, then the indicator light will be put out
immediately at the"key switch on"position.
SG20TA MODEL INSTRUMENTS
OIL SERVICE INDICATOR LIGHT RESET







10
SD10RC MODEL INSTRUMENTS SD10RA MODEL INSTRUMENTS
Limit 25km/hr Limit 45km/hr 



11
4. PRE-RIDE INSPECTION
(1) ADVANCE INSPECTION
XGet into a good habit of inspection before riding. For the sake of
safety and to prevent vehicle damage and traffic accidents, the
pre-ride inspection is absolutely required.
※CAUTION:
Be sure to perform inspection and maintenance for your new
motorcycle after it is purchased for one month or ridden for
300km.
(2) ENGINE OIL LEVEL INSPECTION/REFILLING
XPlace the motorcycle on its main stand. Take out the oil dipstick
and wipe it clean.
XDirectly insert the oil dipstick into the engine oil. (Don't screw
it in.)
XTake out the oil dipstick and check the oil level. If it is close to
the lower limit, add engine oil to the upper limit.
※CAUTION:
The temperature of engine and exhaust muffler is very high.
When checking the oil level, be careful to avoid scalding.

(3) BRAKE INSPECTION
XRide the motorcycle at low speed on a dry road and
respectively apply the front and rear brakes to check
the brake performance.
XThe brake lever should have proper free play.
X"Free play" means the distance from the position of
loose brake to the position of fully applied brake.
XMeasure the free play at the brake lever end and
check if it is within the specified value of 1～2cm.
(4) TIRE INSPECTION
1. Tire Pressure Check
XCheck if the tire pressure is normal when the tire is in
contact with level ground.
XIf there is any abnormal condition, check the tire
pressure with a tire pressure gauge.
XMeasure the tire pressure under room temperature.
12
1~2cm1~2cm

2. CRACKS & DAMAGE
XCheck the tire-contact area for crack or damage.
3. Abnormal Wear
XCheck the tire-contact area for abnormal wear.
4. FOREIGN OBJECTS OF METAL PIECE &
GRAVEL
XCheck the tires and tire-contact area for imbedded objects
of metal piece and gravel.
5. DEPTH OF TIRE GROOVE
XIf the tire is worn to the wear limit indication mark,
replace it with a new one.
NORMAL PRESSURE(1 Rider / 2 Riders )
Front Wheel 1.25/1.75kg/cm²
Rear Wheel 2.0/2.25 kg/cm²
※CAUTION:
XAbnormal tire pressure, crack, damage and abnormal
wear will cause unsteady handlebar and result in tire
break.
XIf the tire has cracks or is worn to the wear limit
indication mark, replace it with a new one.
13
Imbedded
objects
The wear limit indication
mark

14
(5)FUEL LEVEL INSPECTION/REFILLING
XCheck if the fuel is sufficient.
XIf the fuel gauge pointer is at "E" (red line), refill #92 or
#95 nonleaded gasoline as soon as possible.
《Refilling Method》
1.Stop the engine before refilling.
2.Turn the ignition switch key directly from the “ . ”to the
“ “position ,then open the fuel fill cap automatically.
3.Use only #92 or #95 nonleaded gasoline.
4. Push the fuel fill cap to lock.
5Make sure that the key is at the “ “ Position when
starting the engine.
※CAUTION:
XThe gasoline level shall not exceed the reference plate；
otherwise the fuel will penetrate out.
XWhen refilling, do not add other additives to avoid engine
breakdown.

(6) STEERING HANDLEBAR
XVisually inspect the steering handlebar for damage.
XApply the front brake and move the handlebar upward and
downward to check for abnormal noise.
XMove the steering handlebar upward, downward,
rightward and leftward to check for any loose parts.
XCheck if the handlebar rotates freely.
XIf any abnormal condition is found, go to your
motorcycle dealer or for inspection.
(7) INSTRUMENT LIGHTS INSPECTION
XCheck the speedometer pointer for proper operation.
XCheck the fuel gauge pointer for proper operation.
XCheck the turn signal indicator lights and high beam
indicator light for proper operation.
15