Text preview for : AGILITY 50 cap 04 (lubrificazione).pdf part of Kymco Agility 50 Kymco Agility service manual



Back to : AGILITY 50 cap 00 (prefaz | Home

4. LUBRICATION SYSTEM AGILITY 50


4 LUBRICATION SYSTEM


Rocker Arm Shaft




4




Crankshaft




Oil Filter Screen Oil Pump




4-0
4. LUBRICATION SYSTEM AGILITY 50

SERVICE INFORMATION.......................4-1 ENGINE OIL/OIL FILTER ...................... 4-2
TROUBLESHOOTING .............................4-1 OIL PUMP................................................. 4-3



SERVICE INFORMATION
GENERAL INSTRUCTIONS
The maintenance of lubrication system can be performed with the engine installed in the frame.
Use care when removing and installing the oil pump not to allow dust and foreign matters to
enter the engine and oil line.
Do not attempt to disassemble the oil pump. The oil pump must be replaced as a set when it
reaches its service limit.
After the oil pump is installed, check each part for oil leaks.


SPECIFICATIONS
Item Standard (mm) Service Limit (mm)
Inner rotor-to-outer rotor clearance 0.12
Oil pump Outer rotor-to-pump body clearance 0.12
Rotor end-to-pump body clearance 0.050.10 0.2


TROUBLESHOOTING
Oil level too low Poor lubrication pressure
Natural oil consumption Oil level too low
Oil leaks Clogged oil filter or oil passages
Worn or poorly installed piston rings Not use the specified oil
Worn valve guide or seal




4-1
4. LUBRICATION SYSTEM AGILITY 50

ENGINE OIL/OIL FILTER
OIL LEVEL
Place the motorcycle upright on level
ground for engine oil level check.
Run the engine for 23 minutes and
check the oil level after the engine is
stopped for 23 minutes.
Remove the oil dipstick and check the oil
level with the oil dipstick.
If the level is near the lower level, fill to the
upper level with the specified engine oil. Oil Dipstick

OIL CHANGE
The engine oil will drain more easily
while the engine is warm.
Remove the drain bolt to drain the engine oil
thoroughly.
Remove the oil filter screen cap and clean the
oil filter screen with compressed air.



Oil Filter Screen Cap

Check the filter screen O-ring for damage and
replace if necessary.
Install the oil filter screen, spring and filter
screen cap.
Torque: 1.0~2.0kgf-m




O-ring

Fill the crankcase with the specified engine
oil to the proper level.
Oil Capacity: At disassembly : 0.85 liter
At change : 0.70 liter

Check for oil leaks and then start the engine
and let it idle for few minutes.
Recheck the oil level.




4-2
4. LUBRICATION SYSTEM AGILITY 50
Bolt
OIL PUMP
REMOVAL
Remove the A.C. generator flywheel. ( 14-7)
Remove the A.C. generator stator and pulsar
coil. ( 14-6)
Remove the eight right crankcase cover bolts
and the right crankcase cover.




Right Crankcase Cover
Remove the gasket and dowel pins. Oil Pump Drive Gear
Remove the oil pump drive gear circlip.
Remove the oil pump gear.




Oil Pump Gear Circlip
Remove the oil pump mounting bolts. Oil Pump
Remove the oil pump.




Bolts
Remove the two O-rings.
Inspect the two O-rings for damage or
deterioration.




O-rings
4-3
4. LUBRICATION SYSTEM AGILITY 50
Oil Pump Boby
DISASSEMBLY
Remove the three oil pump boby screws.
Disassembly the oil pump.




Screws
INSPECTION Outer Rotor
Measure the pump boby-to-outer rotor
clearance.
Service Limit: 0.12mm




Measure the inner rotor-to-outer rotor Oil Pump Boby
Outer Rotor
clearance.
Service Limit: 0.12mm




Measure the rotor end-to- pump boby Inner Rotor
clearance.
Service Limit: 0.2mm




4-4
4. LUBRICATION SYSTEM AGILITY 50
Inner Rotor Outer Rotor
ASSEMBLY
Install the outer rotor, inner rotor and pump
shaft into the pump boby.
Install the pump shaft by aligning the flat
on the shaft with the flat in the inner
rotor.




Pump Shaft
Screws
Install the pump cover and tighten the screws
to secure the pump cover.




Pump Cover

INSTALLATION
First install the two O-rings onto the oil pump
base.




O-rings
Oil pump
Install the oil pump into the crankcase.
Fill the oil pump with engine oil before
installation.
After the oil pump is installed, tighten the
three mounting bolts.




Bolts
4-5
4. LUBRICATION SYSTEM AGILITY 50

Install the pump driven gear and secure it Pump Driven Gear
with the circlip.
Torque: 0.81.2kg-m




Circlip

Right Crankcase Cover
Install the right crankcase cover and tighten
the eight bolts.
Torque: 0.8~1.2kgf-m
Diagonally tighten the bolts in 23
times.




Bolts




4-6