KYMCO People S 250, Service Manual

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4
. LUBRICATION SYSTEM
4-2
PEOPLE 250
SERVICE INFORMATION
GENERAL INSTRUCTIONS
•
The maintenance of lubrication system can be performed with the engine installed in the frame.
•
Drain the coolant before starting any operations.
•
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
OIL PUMP
Standard (mm) Service Limit (mm)
Inner rotor-to-outer rotor clearance 0.15 0.20
Outer rotor-to-pump body clearance 0.15
_
0.20 0.25
Rotor end-to-pump body clearance 0.04
_
0.09 0.12
ENGINE OIL
Engine Oil Capacity At disassembly: 1.1 liter At change: 0.9 liter
Recommended Oil SAE15W40# API: SJ
TROUBLESHOOTING
Oil level too low Poor lubrication pressure
•
Natural oil consumption
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Oil level too low
•
Oil leaks
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Clogged oil filter or oil passage
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Worn piston rings
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Faulty oil pump
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Worn valve guide
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Worn valve guide seal
Oil contamination
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Oil not changed often enough
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Faulty cylinder head gasket
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Loose cylinder head bolts