Checking The Engine Oil Level - Yamaha XP500 2001 Service Manual

MEASURING THE COMPRESSION PRESSURE/

CHECKING THE ENGINE OIL LEVEL

c. If the compression pressure is above the
maximum specification, check the cylinder
head, valve surfaces, and piston crown for
carbon deposits.
d. If the compression pressure is below the
minimum specification, squirt a few drops of
oil into the cylinder and measure again.
Refer to the following table.
Compression pressure
(with oil applied into the cylinder)
Reading
Higher than
without oil
Same as without
oil
8. Install:
S spark plug
9. Install:
S legshield
EB303070
CHECKING THE ENGINE OIL LEVEL
1. Stand the scooter on a level surface.
NOTE:
S Place the scooter on a suitable stand.
S Make sure that the motorcycle is upright.
2. Start the engine when the engine is cool, let it
idle for two minutes, and then stop it.
3. Wait two minutes until the oil settles, and
then check the oil level through the check
window located at the bottom-left side of the
crankcase.
4. Check:
S engine oil level
The engine oil level should be between the
minimum level mark a and maximum level
mark b .
Below the minimum level mark ! Add the
recommended engine oil to the proper level.
3-22
CHK
ADJ
Diagnosis
Piston wear or
damage ! Repair.
Piston ring(-s),
valve(-s), cylinder
head gasket or
piston possibly
defective !
Repair.
12.5 Nm (1.25 mSkg)