2002 YAMAHA NEO115 engine oil

PERIODIC MAINTENANCE AND MINOR REPAIR
6-10
6 To change the engine oil and clean
the oil strainer
1. Start the engine, warm it up for
several minutes, and then turn it
off.
2. Place an oil pan under the engine
to collect the used oil.
3. Remove the engine oil filler cap
and drain bolts to drain the oil from
the crankcase.
NOTE:_ When only changing the engine oil, re-
move engine oil drain bolt A only. _
EC000070*
CAUTION:_ When removing the engine oil drain
bolt B, the O-ring, spring, and oil
strainer will fall out. Take care not to
lose these parts. _4. Clean the oil strainer with solvent,
and then check it for damage and
replace it if necessary.
5. Check the O-ring for damage and
replace it if necessary.
6. Install the oil strainer, spring, O-ring
and engine oil drain bolts, and then
tighten the drain bolts to the speci-
fied torque.
1. Engine oil drain bolt A
2. Engine oil drain bolt B
1. Strainer
2. Compression spring
3. O-ring
U5MXE0.book Page 10 Thursday, December 20, 2001 2:08 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-11
6
NOTE:_ Make sure that the O-ring is properly
seated. _7. Add the specified amount of the
recommended engine oil, and
then install and tighten the engine
oil filler cap.
ECA00105
CAUTION:_

In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix any chemical additives with
the oil or use oils of grade “CD”
or higher. In addition, do not
use oils labeled “ENERGY CON-
SERVING II” or higher.


Make sure that no foreign mate-
rial enters the crankcase.
_8. Start the engine, and then let it idle
for several minutes while checking
it for oil leakage. If oil is leaking,
immediately turn the engine off
and check for the cause.
9. Turn the engine off, and then
check the oil level and correct it if
necessary.
EAU04228*
Final transmission oil The final transmission case must be
checked for oil leakage before each
ride. If any leakage is found, have a
Yamaha dealer check and repair the
motorcycle. In addition, the final trans-
mission oil must be changed as follows
at the intervals specified in the periodic
maintenance and lubrication chart.
1. Start the engine, warm it up by
riding the motorcycle for several
minutes, and then stop the engine.
2. Place the motorcycle on the cen-
terstand.
3. Place an oil pan under the final
transmission case to collect the
used oil. Tightening torques:
Engine oil drain bolt A:
20 Nm (2.0 m·kgf)
Engine oil drain bolt B:
20 Nm (2.0 m·kgf)
Recommended engine oil:
See page 8-1.
Oil quantity:
Periodic oil change:
0.8 L
Total amount (dry engine):
0.9 L1. Oil filler cap
U5MXE0.book Page 11 Thursday, December 20, 2001 2:08 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-25
6
EAU03985
Changing the brake fluid Have a Yamaha dealer change the
brake fluid at the intervals specified in
the NOTE after the periodic mainte-
nance and lubrication chart. In addition,
have the oil seals of the brake master
cylinder and caliper as well as the
brake hose replaced at the intervals
listed below or whenever they are dam-
aged or leaking.

Oil seals: Replace every two
years.


Brake hose: Replace every four
years.
EAU00770*
Checking the V-belt The V-belt must be checked by a
Yamaha dealer at the intervals speci-
fied in the periodic maintenance and lu-
brication chart.NOTE:_ It is recommended to replace the V-belt
every 25,000 km. _
EAU02962
Checking and lubricating the
cables The operation of all control cables and
the condition of the cables should be
checked before each ride, and the ca-
bles and cable ends should be lubricat-
ed if necessary. If a cable is damaged
or does not move smoothly, have a
Yamaha dealer check or replace it.
EW000112
WARNING
_ Damage to the outer sheath may in-
terfere with proper cable operation
and will cause the inner cable to
rust. Replace a damaged cable as
soon as possible to prevent unsafe
conditions. _Recommended lubricant:
Engine oil
U5MXE0.book Page 25 Thursday, December 20, 2001 2:08 PM

7-1
7
EAK00000
7-MOTORCYCLE CLEANING AND STORAGE
EAK01302*
A. CLEANINGFrequent, thorough cleaning of your
motorcycle will not only enhance its ap-
pearance but will improve its general
performance and extend the useful life
of many components.
1. Rinse the dirt and degreaser off
with a garden hose.
EUU34602
CAUTION:_Excessive hose pressure may cause
water seepage and deterioration of
wheel bearings, front fork, brakes,
transmission seals and electrical
parts.2. After cleaning the motorcycle, dry
all surfaces with a chamois, clean
towel, or soft absorbent cloth.
3. Automotive-type wax may be ap-
plied to all painted and chrome-
plated surfaces. When finished,
start the engine and let it idle for
several minutes.
EAK00700*
B. STORAGELong term storage (60 days or more) of
your motorcycle will require some pre-
ventive procedures to guard against
deterioration. After thoroughly cleaning
the motorcycle, prepare for storage as
follows:
1. Drain the fuel tank, fuel lines, and
carburetor float bowl(s).
2. Lubricate all control cables.
3. Block up the frame to raise both
wheels off the ground.
4. Tie a plastic bag over the exhaust
pipe outlet to prevent moisture
from entering.
5. If storing in a humid or salt-air at-
mosphere, coat all exposed metal
surfaces with a light film of oil. Do
not apply oil to any rubber parts or
the seat cover.6. Remove the battery and charge it.
Store it in a dry place and re-
charge it once a month. Do not
store the battery in an excessively
warm or cold place (less than 0°C
or more than 30°C).
EUU05800
NOTE:_Make any necessary repairs before
storing the motorcycle.
U5MXE0.book Page 1 Thursday, December 20, 2001 2:08 PM

8-1
8
EAU01038
8-SPECIFICATIONS
Specifications CS-01E
Model AT115
Dimensions
Overall length 1,935 mm
Overall width 675 mm
Overall height 1,070 mm
Seat height 755 mm
Wheelbase 1,280 mm
Ground clearance 135 mm
Minimum turning radius 1,900 mm
Basic weight (with oil and full
fuel tank)
103 kg
Maximum load*
116 kg
* Total weight of rider, passenger, cargo and accessories
Engine
Engine type Forced air-cooled 4-stroke,
SOHC
Cylinder arrangement Forward inclined single cylinder
Displacement 113.7 cm
3
Bore × stroke 50.0 × 57.9 mm
Compression ratio 8.8:1
Starting system Electric and kickstarter
Lubrication system Wet sumpEngine oil
Ty p eSAE 20W-50 API Service “SF”
type motor oil
Capacity
Periodic oil change 0.8 L
Total amount (dry engine) 0.9 L
Final transmission oil
Type SAE 10W-40 API Service “SE”
type motor oil
Quantity 0.1 L
Air filter
Dry element
Fuel
Type REGULAR GASOLINE
Fuel tank capacity 4.9 L
Carburetor
Manufacturer MIKUNI
Model × quantity BS25 × 1
Spark plug
Manufacturer/Type NGK / CR7HSA
Gap 0.6–0.7 mm
Clutch type
V-belt automatic
U5MXE0.book Page 1 Thursday, December 20, 2001 2:08 PM

Engine start procedure
Engine oil replacement
V-belt inspection
Load limit Before pushing start button, make sure to
apply the Front or Rear Brake and that the
Sidestand is retracted.
Engine oil replacement : Every 2000 km.
Recommended oil : SAE20W - 50 type
SF Class Motor Oil
Convenience hook : 1 kg, Helmet box: 5 kg
5MX-F835Y-00
Periodic maintenance must be performed
by any authorized Yamaha Dealer (Refer to
the Owner's Manual for details.)