Honda FourTrax Foreman Rubicon 2005 Service Manual page 105

lUBRICATION SYSTEM
TROUBLESHOOTING
01118'0'81 too low - high oil consumption
•
Oil consumption
• External oil leak
• Worn piston rings or incorrect piston ring i nstallation
• Worn cylinder
• Worn valve guides or stem seals
• Oil pump worn or damaged
low
oil
pressure
• Oil level low
• Oil pressure relief valve wear
• Clogged oil strainer or filter
• Faulty oil pump
• Internal oil leak
• Incorrect oil being used
No oil pressure
• Oi l level too low
• Oil pressure relief valve stuck open
• Broken oil pump drive chain
• Broken oil pump drive or driven sprocket
• Damaged oil pump
• Internal oil leak
High oil pressure
• Oil pressure relief valve stuck closed
• Clogged oil gallery or orifice
• Incorrect oil being used
O il
contamination
• Oil or filter not changed often enough
• Worn piston rings or incorrect piston ring installation
• Worn valve guides or stem seals
Oil
emulsification
• Blown cylinder head gasket
• Entry of water
4-5