Engine Oil - Yamaha XT250M 1999 Owner's Manual

Installation
1. Measure the electrode gap
with a wire thickness gauge
and, if necessary, adjust the
gap to specification.
Spark plug gap:
0.6 ~ 0.7 mm
2. Clean the gasket surface. Wipe
off any grime
threads.
3. Install the spark plug and tight-
en it to the specified torque.
Tightening torque:
Spark plug:
17.5 Nm (1.75 m0kg)
NOTE:
If a torque wrench is not available
when you are installing a spark
plug, a good estimate of the cor-
rect torque is 1/4 to 1/2 turn past
finger tight. Have the spark plug
tightened to the specified torque as
soon as possible.
4. Install the spark plug cap.
PERIODIC MAINTENANCE AND MINOR REPAIR

Engine oil

Oil level inspection
1. Place the motorcycle on a level
place and hold it in an upright
position. Warm up the engine
for several minutes.
NOTE:
Be sure the motorcycle is posi-
from the
tioned straight up when checking
the oil level. A slight tilt toward the
side can result in false readings.
2. With
check the oil level through the
level window located at the
lower part of the right side
crankcase.
NOTE:
Wait a few minutes until the oil
level settles before checking.
EAU03002*
the engine stopped,
6-8
2
3
1. Level window
2. Maximum level mark
3. Minimum level mark
3. The oil level should
between the maximum and
minimum marks. If the level is
low, add oil to raise it to the
specified level.
1
be
6