Lubrication System - Service Information; Lubrication System Specifications; Lubrication System Troubleshooting; Lubrication System Diagram - KYMCO DINK 125 Service Manual

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
Inner rotor-to-outer rotor clearance
Outer rotor-to-pump body clearance 0.15～0.2 (0.006～0.008)
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
4-3
0.15 (0.006)
0.04～0.09 (0.0016～0.0036) 0.12 (0.0048)
At disassembly:
At change:
Standard
1.1 liter (DINK125)；0.85 liter (DINK50)
0.9 liter (DINK125)；0.70liter (DINK50)
SAE10W30# API: SG
Poor lubrication pressure
• Oil level too low
• Clogged oil filter or oil passage
• Faulty oil pump
DINK 50/125
Unit: mm (in)
Service Limit
0.2 (0.008)
0.25 (0.01)