2008 YAMAHA VITY 125 torque

PERIODIC MAINTENANCE AND MINOR REPAIR
6-9
62. Clean the surface of the spark plug
gasket and its mating surface, and
then wipe off any grime from the
spark plug threads.
3. Install the spark plug with the
spark plug wrench, and then tight-
en it to the specified torque.
NOTE:If a torque wrench is not available when
installing a spark plug, a good estimate
of the correct torque is 1/4–1/2 turn
past finger tight. However, the spark
plug should be tightened to the speci-fied torque as soon as possible.
4. Install the spark plug cap.
5. Install the panel.
EAU45480
Engine oil The engine oil level should be checked
before each ride. In addition, the oil
must be changed at the intervals spec-
ified in the periodic maintenance and
lubrication chart.
The engine oil must also be changed at
the initial 1000 km (600 mi) and when
the oil change indicator color changes
from green to red. The oil change indi-
cator must be reset after the initial 1000
km (600 mi). (See page 3-2 for reset
procedures.)
To check the engine oil level
1. Place the vehicle on the center-
stand.NOTE:Make sure that the vehicle is positioned
straight up when checking the oil level.
A slight tilt to the side can result in afalse reading.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
1. Spark plug gapSpark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Tightening torque:
Spark plug:
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
U4P7E1E0.book Page 9 Wednesday, December 12, 2007 9:37 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-10
6 3. Wait a few minutes until the oil set-
tles, remove the oil filler cap, wipe
the dipstick clean, insert it back
into the oil filler hole (without
screwing it in), and then remove it
again to check the oil level.
NOTE:The engine oil should be between theminimum and maximum level marks.
4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.5. Insert the dipstick into the oil filler
hole, and then tighten the oil filler
cap.
To change the engine oil
1. Place the vehicle on the center-
stand.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Place an oil pan under the engine
to collect the used oil.
4. Remove the engine oil filler cap
and drain bolt to drain the oil from
the crankcase.
NOTE:Check the washer for damage and re-place it if necessary.5. Install the engine oil drain bolt, and
then tighten it to the specified
torque.
6. Refill with the specified amount of
the recommended engine oil, and
then install and tighten the engine
oil filler cap.
1. Engine oil filler cap
2. Dipstick
3. Maximum level mark
4. Minimum level mark
32
1 4
1. Engine oil drain bolt
Tightening torque:
Engine oil drain bolt
20 Nm (2.0 m·kgf, 14 ft·lbf)
Recommended engine oil:
See page 8-1.
Oil quantity:
1.00 L (1.06 US qt) (0.88 Imp.qt)
1
U4P7E1E0.book Page 10 Wednesday, December 12, 2007 9:37 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
6
5. Install the final transmission oil
drain bolt, and then tighten it to the
specified torque.6. Refill with the specified amount of
the recommended final transmis-
sion oil, and then install and tighten
the oil filler cap.
WARNING
EWA11310


Make sure that no foreign mate-
rial enters the final transmission
case.


Make sure that no oil gets on thetire or wheel.
7. Check the final transmission case
for oil leakage. If oil is leaking,
check for the cause.
EAU45490
Air filter and V-belt case air fil-
ter elements The air filter element should be re-
placed and the V-belt case air filter ele-
ment should be cleaned at the intervals
specified in the periodic maintenance
and lubrication chart. Service the air fil-
ter elements more frequently if you are
riding in unusually wet or dusty areas.
The air filter check hoses must be fre-
quently checked and cleaned if neces-
sary.
Replacing the air filter element
1. Place the scooter on the center-
stand.
2. Remove the air filter case cover by
removing the screws.
1. Final transmission oil filler cap
1. Final transmission oil drain boltTightening torque:
Final transmission oil drain bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
1
1
Recommended final transmission
oil:
See page 8-1.
Oil quantity:
0.13 L (0.14 US qt) (0.11 Imp.qt)
U4P7E1E0.book Page 12 Wednesday, December 12, 2007 9:37 AM