PRE-OPERATION CHECKS
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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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PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
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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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cleaning products, solvent or
thinner, fuel (gasoline), rust
removers or inhibitors, brake
fluid, antifreeze or electrolyte.
●Do not use high-pressure was-
hers or steam-jet cleaners sin-
ce they cause water seepage
and deterioration in the follo-
wing areas: seals (of wheel and
swingarm bearings, fork and
brakes), electric components
(couplers, connectors, instru-
ments, switches and lights),
breather hoses and vents.
●For scooters equipped with a
windshield: Do not use strong
cleaners or hard sponges as
they will cause dulling or scrat-
ching. Some cleaning com-
pounds for plastic may leave
scratches on the windshield.
Test the product on a small hid-
den part of the windshield to
make sure that it does not lea-
ve any marks. If the windshield
is scratched, use a quality
plastic polishing compound
after washing.
After normal use
Remove dirt with warm water, a mild
detergent, and a soft, clean sponge,
and then rinse thoroughly with clean
water. Use a toothbrush or bottle-
brush for hard-to-reach areas. Stub-
born dirt and insects will come off
more easily if the area is covered with
a wet cloth for a few minutes before
cleaning.
After riding in the rain, near the sea or
on salt-sprayed roads
Since sea salt or salt sprayed on the
roads during winter are extremely
corrosive in combination with water,
carry out the following steps after
each ride in the rain, near the sea or
on salt-sprayed roads.
NOTE:
Salt sprayed on roads in the winter
may remain well into spring.
1. Clean the scooter with cold water
and a mild detergent after the
engine has cooled down.
ECA10790
CAUTION:
Do not use warm water since it
increases the corrosive action of
the salt.
2. Apply a corrosion protection
spray on all metal, including
chrome- and nickel-plated, surfa-
ces to prevent corrosion.
After cleaning
1. Dry the scooter with a chamois or
an absorbing cloth.
2. Use a chrome polish to shine
chrome, aluminum and stainless-
steel parts, including the exhaust
system. (Even the thermally indu-
ced discoloring of stainless-steel
exhaust systems can be removed
through polishing.)
3. To prevent corrosion, it is recom-
mended to apply a corrosion pro-
tection spray on all metal, inclu-
ding chrome- and nickel-plated,
surfaces.
4. Use spray oil as a universal clea-
ner to remove any remaining dirt.
5. Touch up minor paint damage
caused by stones, etc.
SCOOTER CARE AND STORAGE
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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
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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
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