Question about 2004 Suzuki GS 500 F

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Why is my motorcycle leaking oil from the overflow tube? I let some oil out to be sure there wasn't too much oil, but it is still leaking. It leaks when it is off on its kick stand and it leaks when I ride.

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You have a crankcase breather hose that may be blocked, allowing excessive oil pressure to push oil out. It should be routed to the airbox. This may also be the overflow hose you are speaking about. Your oil type may not be suited to a motorcycle engine, automotive oils are NOT suitable for bike engines for many reasons, notably shared gearbox and engine oil and a wet clutch. Check function of the oil pressure switch as this should send a signal of loss or excessive oil pressure. Check your manual for correct weight and quantity and type of oil filter needed. The oil level is indicated on the stem of the oil filler cap.

Posted on May 13, 2010


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