grand dink 125 mmc Workshop-manual : Page 55

          4. LUBRICATION SYSTEM                                                        GRAND DINK 125/150



 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           0.150.20                       0.25
 Rotor end-to-pump body clearance             0.040.09                       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                           · Oil level too low
 · Oil leaks                                         · Clogged oil filter or oil passage
 · Worn piston rings                                 · Faulty oil pump
 · Worn valve guide
 · Worn valve guide seal


 Oil contamination
 · Oil not changed often enough
 · Faulty cylinder head gasket
 · Loose cylinder head bolts




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