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
Outer rotor-to-pump body clearance
Rotor end-to-pump body clearance
TROUBLESHOOTING
Oil level too low Poor lubrication pressure
Natural oil consumption Oil level too low
Oil leaks Clogged oil filter or oil passages
Worn or poorly installed piston rings Not use the specified oil
Worn valve guide or seal