2008 YAMAHA JOG50R tires
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SAFETY INFORMATION.....................1-1
Further safe-riding points .................1-4
DESCRIPTION.....................................2-1
Left view ...........................................2-1
Right view .........................................2-3
Controls and instruments .................2-5
INSTRUMENT AND CONTROL
FUNCTIONS........................................3-1
Main switch/steering lock .................3-1
Indicator and warning lights .............3-2
Speedometer ....................................3-3
Multi-function display .......................3-4
Handlebar switches ..........................3-6
Front brake lever...............................3-6
Rear brake lever................................3-7
Fuel and 2-stroke engine oil tank
caps ...............................................3-7
Fuel ...................................................3-8
Catalytic converter............................3-8
2-stroke engine oil ............................3-9
2-stroke engine oil tank ....................3-9
Kickstarter.......................................3-10
Seat.................................................3-10
Storage compartment.....................3-11
Luggage hook .................................3-12
PRE-OPERATION CHECKS...............4-1
Pre-operation check list....................4-2OPERATION AND IMPORTANT
RIDING POINTS..................................5-1
Starting a cold engine ......................5-1
Starting off ........................................5-2
Acceleration and deceleration ..........5-2
Braking..............................................5-3
Tips for reducing fuel
consumption..................................5-3
Engine break-in.................................5-4
Parking ..............................................5-4
PERIODIC MAINTENANCE AND
MINOR REPAIR...................................6-1
Periodic maintenance and
lubrication chart ............................6-2
Removing and installing the
cowling and panel .........................6-5
Checking the spark plug ..................6-6
Final transmission oil ........................6-7
Coolant (only for liquid-cooled
models) ..........................................6-8
Air filter element ................................6-9
Adjusting the carburetor .................6-10
Adjusting the throttle cable
free play .......................................6-10
Tires ................................................6-11
Cast wheels ....................................6-12
Checking the front brake lever
free play .......................................6-13
Adjusting the rear brake lever
free play .......................................6-13Checking the front brake pads
and rear brake shoes ..................6-14
Checking the brake fluid level ........6-15
Changing the brake fluid ................6-16
Checking and lubricating the
throttle grip and cable .................6-16
Lubricating the front and rear
brake levers .................................6-16
Checking and lubricanting the
centerstand .................................6-17
Checking the front fork ...................6-17
Checking the steering.....................6-18
Checking the wheel bearings .........6-19
Battery ............................................6-19
Replacing the fuse ..........................6-20
Replacing the headlight bulb
or a front turn signal light
bulb .............................................6-21
Replacing the tail/brake light
bulb or a rear turn signal light
bulb .............................................6-22
Replacing an auxiliary light
bulb .............................................6-23
Troubleshooting ..............................6-24
Troubleshooting charts ...................6-25
SCOOTER CARE AND STORAGE.....7-1
Matte color caution...........................7-1
Care ..................................................7-1
Storage .............................................7-3
TABLE OF CONTENTS
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PRE-OPERATION CHECKS
4-2
4
EAU15605
Pre-operation check list
ITEM CHECKS PAGE
• Check fuel level in fuel tank.
Fuel• Refuel if necessary.3-8
• Check fuel line for leakage.
• Check oil level in oil tank.
2-stroke engine oil• If necessary, add recommended oil to specified level. 3-9
• Check vehicle for oil leakage.
Final transmission oil• Check vehicle for oil leakage. 6-7
• Check coolant level in reservoir.
Coolant (for CS50Z)• If necessary, add recommended coolant to specified level. 6-8
• Check cooling system for leakage.
• Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic system.
• Check brake pads for wear.
Front brake• Replace if necessary. 6-13, 6-14, 6-15
• Check fluid level in reservoir.
• If necessary, add recommended brake fluid to specified level.
• Check hydraulic system for leakage.
• Check operation.
Rear brake• Lubricate cable if necessary.
6-13, 6-14
• Check lever free play.
• Adjust if necessary.
• Make sure that operation is smooth.
Throttle grip• Check cable free play.
6-10, 6-16
• If necessary, have Yamaha dealer adjust cable free play and lubricate
cable and grip housing.
• Check for damage.
Wheels and tires• Check tire condition and tread depth.
6-11, 6-12
• Check air pressure.
• Correct if necessary.
Brake levers• Make sure that operation is smooth.
• Lubricate lever pivoting points if necessary.6-16
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Page 38 of 72
PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
6
ODOMETER READING
ANNUAL
NO. ITEM CHECK OR MAINTENANCE JOB
1000 km 6000 km 12000 km 18000 km 24000 kmCHECK
(600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi)
• Check tread depth and for damage.
8*Tires• Replace if necessary.
√√√√ √
• Check air pressure.
• Correct if necessary.
9*Wheel bearings• Check bearing for looseness or damage.√√√√
10 *Steering bearings• Check bearing play and steering for roughness.√√√√√• Lubricate with lithium-soap-based grease. Every 24000 km (14000 mi)
11 *Chassis fasteners• Make sure that all nuts, bolts and screws are
properly tightened.√√√√ √
12Front brake lever
• Lubricate with silicone grease.√√√√ √
pivot shaft
13Rear brake lever
• Lubricate with lithium-soap-based grease.√√√√ √
pivot shaft
14Centerstand• Check operation.
• Lubricate.√√√√ √
15 *Front fork• Check operation and for oil leakage.√√√√
16 *Shock absorber
• Check operation and shock absorber for oil leakage.√√√√
assembly
17 *Carburetor• Adjust engine idling speed.√√√√√ √
18 *Autolube pump• Check operation.
• Bleed if necessary.√√√√
19Transmission oil• Check oil level.√√√√√ √• Change.√√
20 *Cooling system• Check coolant level and vehicle for coolant leakage.√√√√ √
• Change. Every 3 years
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Page 46 of 72
EAU33600
Tires
To maximize the performance, durabi-
lity, and safe operation of your vehi-
cle, note the following points regar-
ding the specified tires.
Tire air pressure
The tire air pressure should be chec-
ked and, if necessary, adjusted befo-
re each ride.
EWA10500
s s
WARNING
●The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the temperatu-
re of the tires equals the
ambient temperature).
●The tire air pressure must be
adjusted in accordance with
the riding speed and with the
total weight of rider, passenger,
cargo, and accessories appro-
ved for this model.EWA11200
s s
WARNING
Because loading has an enormous
impact on the handling, braking,
performance and safety characte-
ristics of your vehicle, you should
keep the following precautions in
mind.
●NEVER OVERLOAD THE VEHI-
CLE! Operation of an overloa-
ded vehicle may result in tire
damage, loss of control, or
severe injury. Make sure that
the total weight of rider, pas-
senger, cargo, and accessories
does not exceed the specified
maximum load for the vehicle.
●Do not carry along loosely pac-
ked items, which can shift
during a ride.
●Securely pack the heaviest
items close to the center of the
vehicle and distribute the
weight evenly on both sides.
●Adjust the tire air pressure with
regard to the load.
●Check the tire condition and air
pressure before each ride.
Tire air pressure (measured on
cold tires):
0~90 kg (0~198 lb):
Front:
175 kPa (25 psi) (1.75 kgf/cm
2)
Rear:
200 kPa (28 psi) (2.00 kgf/cm
2)
CS50/CS50M 90~169 kg
(198~373 lb)
CS50Z 90~166 kg (198~366 lb):
Front:
175 kPa (25 psi) (1.75 kgf/cm
2)
Rear:
225 kPa (32 psi) (2.25 kgf/cm
2)
Maximum load*:
CS50/CS50M 169 kg (373 lb)
CS50Z 166 kg (366 lb)
* Total weight of rider, passenger,
cargo and accessories
PERIODIC MAINTENANCE AND MINOR REPAIR
6-11
6
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1. Tire tread depth
2. Tire sidewall
Tire inspection
The tires must be checked before
each ride. If the center tread depth
reaches the specified limit, if the tire
has a nail or glass fragments in it, or if
the sidewall is cracked, have a Yama-
ha dealer replace the tire immediately.
NOTE:
The tire tread depth limits may differ
from country to country. Always
comply with the local regulations.
Tire information
This model is equipped with tubeless
tires.
EWA10470
s s
WARNING
●Have a Yamaha dealer replace
excessively worn tires. Besides
being illegal, operating the
vehicle with excessively worn
tires decreases riding stability
and can lead to loss of control.
●The replacement of all wheel
and brake related parts, inclu-
ding the tires, should be left to
a Yamaha dealer, who has the
necessary professional know-
ledge and experience.
EAU21960
Cast wheels
To maximize the performance, durabi-
lity, and safe operation of your vehi-
cle, note the following points regar-
ding the specified wheels.
●The wheel rims should be chec-
ked for cracks, bends or warpage
before each ride. If any damage
is found, have a Yamaha dealer
replace the wheel. Do not
attempt even the smallest repair
to the wheel. A deformed or crac-
ked wheel must be replaced.
●The wheel should be balanced
whenever either the tire or wheel
has been changed or replaced.
An unbalanced wheel can result
in poor performance, adverse
handling characteristics, and a
shortened tire life.
●Ride at moderate speeds after
changing a tire since the tire sur-
face must first be “broken in” for
it to develop its optimal characte-
ristics.
Front tire:
Size:
110/70-12 47L
Manufacturer/model:
CHENG SHIN TIRE/C922
Rear tire:
Size:
120/70-12 51L
Manufacturer/model:
CHENG SHIN TIRE/C922
Minimum tire tread depth (front
and rear):
1.6 mm (0.06 in)
1
2
ZAUM0054
PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
6
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Page 64 of 72
6. Wax all painted surfaces.
7. Let the scooter dry completely
before storing or covering it.
EWA10940
s s
WARNING
●Make sure that there is no oil or
wax on the brakes or tires. If
necessary, clean the brake
discs and brake linings with a
regular brake disc cleaner or
acetone, and wash the tires
with warm water and a mild
detergent.
●Before operating the scooter
test its braking performance
and cornering behavior.
ECA10800
CAUTION:
●Apply spray oil and wax spa-
ringly and make sure to wipe
off any excess.
●Never apply oil or wax to any
rubber and plastic parts, but
treat them with a suitable care
product.
●Avoid using abrasive polishing
compounds as they will wear
away the paint.
NOTE:
Consult a Yamaha dealer for advice
on what products to use.
EAU26300
Storage
Short-term
Always store your scooter in a cool,
dry place and, if necessary, protect it
against dust with a porous cover.
ECA10820
CAUTION:
●Storing the scooter in a poorly
ventilated room or covering it
with a tarp, while it is still wet,
will allow water and humidity to
seep in and cause rust.
●To prevent corrosion, avoid
damp cellars, stables (because
of the presence of ammonia)
and areas where strong chemi-
cals are stored.
Long-term
Before storing your scooter for seve-
ral months:
1. Follow all the instructions in the
“Care” section of this chapter.
2. Drain the carburetor float cham-
ber by loosening the drain bolt;
this will prevent fuel deposits
from building up. Pour the drai-
ned fuel into the fuel tank.
SCOOTER CARE AND STORAGE
7-3
7
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3. Fill up the fuel tank and add fuel
stabilizer (if available) to prevent
the fuel tank from rusting and the
fuel from deteriorating.
4. Perform the following steps to
protect the cylinder, piston rings,
etc. from corrosion.
a. Remove the spark plug cap and
spark plug.
b. Pour a teaspoonful of engine oil
into the spark plug bore.
c. Install the spark plug cap onto
the spark plug, and then place
the spark plug on the cylinder
head so that the electrodes are
grounded. (This will limit sparking
during the next step.)
d. Turn the engine over several
times with the starter. (This will
coat the cylinder wall with oil.)
e. Remove the spark plug cap from
the spark plug, and then install
the spark plug and the spark plug
cap.EWA10950
s s
WARNING
To prevent damage or injury from
sparking, make sure to ground the
spark plug electrodes while turning
the engine over.
5. Lubricate all control cables and
the pivoting points of all levers
and pedals as well as of the
sidestand/centerstand.
6. Check and, if necessary, correct
the tire air pressure, and then lift
the scooter so that both of its
wheels are off the ground. Alter-
natively, turn the wheels a little
every month in order to prevent
the tires from becoming degra-
ded in one spot.
7. Cover the muffler outlet with a
plastic bag to prevent moisture
from entering it.
8. Remove the battery and fully
charge it. Store it in a cool, dry
place and charge it once a
month. Do not store the battery in
an excessively cold or warm pla-
ce [less than 0 ºC (30 ºF) or more
than 30 ºC (90 ºF)]. For moreinformation on storing the bat-
tery, see page 6-19.
NOTE:
Make any necessary repairs before
storing the scooter.
SCOOTER CARE AND STORAGE
7-4
7
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Front tire:Type:Tubeless
Size: 110/70-12 47L
Manufacturer/model: CHENG SHIN TIRE / C922
Rear tire:Type:Tubeless
Size: 120/70-12 51L
Manufacturer/model: CHENG SHIN TIRE / C922
Loading:Maximum load:CS50/CS50M: 169 kg (372 lb)
CS50Z: 166 kg (366 lb)
(Total weight of rider, passenger, cargo and
accessories)
Tire air pressure (measured on cold
tires):
Loading condition: 0–90 kg (0–198 lb)
Front: 175 kPa (25 psi) (1.75 kgf/cm
2)
Rear: 200 kPa (28 psi) (2.00 kgf/cm
2)
Loading condition:
CS50/CS50M 90~169 kg (198~373 lb)
CS50Z 90~166 kg (198~366 lb): Front:175 kPa (25 psi) (1.75 kgf/cm
2) Rear:
225 kPa (32 psi) (2.25 kgf/cm
2)
Front wheel:Wheel type: Cast wheel
Rim size: 12xMT2.75
Rear wheel:Wheel type:Cast wheel
Rim size: 12xMT3.00
Front brake:Type:Single disc brake
Operation: Right hand operation
Recommended fluid: DOT 4
Rear brake:Type:Drum brake
Operation: Left hand operation
Front suspension:Type:Telescopic fork
Spring/shock absorber type: Coil spring/oil damper
Wheel travel: 70.0 mm (2.76 in)
Rear suspension:Type:Unit swing Spring/shock absorber type:
Coil spring/oil damper
Wheel travel: 60.0 mm (2.36 in)
Electrical system:Ignition system:DC. CDI
Charging system: AC magneto
Battery:Model:GT4L-BS
Voltage, capacity: 12 V, 4.0 Ah
Headlight:
Bulb type:Incandescence
Bulb voltage, wattage x quantity:Headlight:12 V, 35.0 W/35.0 W x 1
Tail/brake light: 12 V, 21.0 W/5.0 W x 1
Front turn signal light: 12 V, 10.0 W x 2
Rear turn signal light: 12 V, 10.0 W x 2
Meter lighting: 12 V, 1.2 W x 2
High beam indicator light: 12 V, 1.2 W x 1
Oil level warning light: LED x 1
Turn signal indicator light: 12 V, 1.2 W x 2
SPECIFICATIONS
8-2
8
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