4
. LUBRICATION SYSTEM
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
Inner rotor-to-outer rotor clearance
Oil pump
Outer rotor-to-pump body clearance
Rotor end-to-pump body clearance
TROUBLESHOOTING
Oil level too low
• Natural oil consumption
• Oil leaks
• Worn or poorly installed piston rings
• Worn valve guide or seal
Item
Standard (mm)
Service Limit (mm)
⎯
⎯
0.05~0.10
Poor lubrication pressure
• Oil level too low
• Clogged oil filter or oil passages
• Not use the specified oil
PEOPLE S 4T
0.12
0.12
0.2
4-2