ENGINE
3-12
c. If the compression pressure is above the
maximum specification, check the cylinder
head, valve surfaces and piston crown for
carbon deposits.
Carbon deposits → Eliminate.
d. If the compression pressure is below the min-
imum specification, pour a teaspoonful of en-
gine oil into the spark plug bore and measure
again.
Refer to the following table.
▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
8. Install:
• Spark plug
9. Connect the all spark plug caps.
10.Install:
• T-bar
Refer to “GENERAL CHASSIS” on page 4-1.
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• Rider seat
Refer to “GENERAL CHASSIS” on page 4-1.
EAS20730
CHECKING THE ENGINE OIL LEVEL
1. Stand the vehicle on a level surface.
NOTE:
• Place the vehicle on the centerstand.
• Make sure the vehicle is upright.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Check:
• 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.
CAUTION:
EC3P61036
• Engine oil also lubricates the clutch and the
wrong oil types or additives could cause
clutch slippage. Therefore, do not add any
chemical additives or use engine oils with a
grade of CD “a” or higher and do not use
oils labeled “ENERGY CONSERVING II”
“b”.
• Do not allow foreign materials to enter the
crankcase.
NOTE:
Before checking the engine oil level, wait a few
minutes until the oil has settled.
4. Start the engine, warm it up for several min-
utes, and then turn it off.
5. Check the engine oil level again.
NOTE:
Before checking the engine oil level, wait a few
minutes until the oil has settled.
Compression pressure (with oil applied into
the cylinder)
Reading Diagnosis
Higher than without
oil
Piston ring(s) wear or
damage → Repair.
Same as without oil
Pistons, valves, cylin-
der head gasket or
piston ring(s) possi-
bly defective → Re-
pair.
T
R
.
.
Spark plug
13 Nm (1.3 m·kg, 9.4 ft·lb)
Type
SAE20W40
Recommended engine oil grade
API service SE, SF, SG type or
higher
ACEA standard
G4 or G5
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