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
At disassembly: 1.1 liter At change: 0.9 liter
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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