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KYMCO GRAND DINK 250 Manual: Lubrication System Diagram; Service Information; Troubleshooting

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4
. LUBRICATION SYSTEM

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
Inner rotor-to-outer rotor clearance
Outer rotor-to-pump body clearance
Rotor end-to-pump body clearance
ENGINE OIL
Engine Oil Capacity
Recommended Oil

TROUBLESHOOTING

Oil level too low
• Natural oil consumption
• Oil leaks
• Worn piston rings
• Worn valve guide
• Worn valve guide seal
Oil contamination
• Oil not changed often enough
• Faulty cylinder head gasket
• Loose cylinder head bolts
Standard (mm)
0.15
0.15 0.20
0.04 0.09
At disassembly: 1.1 liter
SAE15W40#
API: SJ
Poor lubrication pressure
• Oil level too low
• Clogged oil filter or oil passage
• Faulty oil pump
GRAND DINK 250
Service Limit (mm)
0.20
0.25
0.12
At change: 0.9 liter
4-2

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Troubleshooting

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