Oil Leak

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Oil Leak - 4/27/2008 2:15:24 PM

John Payton

Posts: 4
Joined: 5/6/2007
Status: offline

I have a 1997 1100 STX.
It has been setting for the winter. I go out and start it every 4 to 6 weeks. A couple of months ago I noticed oil collecting in the hull below the oil pump. The oil pump is not the leak. It is coming from the carburators and flowing to that area of the hull. I removed the carbs and noticed oil leaking from the middle carb. It also appears to be leaking into the intake manifold. It always smokes very heravily when first started. I have always thought it was getting too much oil, but it runs great and have never oil fouled a plug. Anyway, I removed the plate covering the diaphram and the diapram. The area under the diaphram was full of oil. This is the area the oil is pumped to. I did not see any damage to the diaphram of the O-Ring under the needle and seat plate. It appears to me that the oil is simply gravity feeding into the carbs. Should this be happening? Do I have a problem with the oil pump?

Post #: 1

RE: Oil Leak - 4/27/2008 6:19:32 PM

550 SLUT

Posts: 44
Joined: 9/23/2007
Status: offline

replace the lines
might need an oil pump cable check

_____________________________

HUMAN BUILT = HUMAN FIXED
WWW.SWITCHBAIT.COM

(in reply to John Payton)

Post #: 2

RE: Oil Leak - 4/27/2008 7:38:27 PM

John Payton

Posts: 4
Joined: 5/6/2007
Status: offline

Not leaking from the lines. Leaking at the carb.
The oil pump is not a variable pump. No cables.

(in reply to 550 SLUT)

Post #: 3

RE: Oil Leak - 5/4/2008 6:11:35 PM

550 SLUT

Posts: 44
Joined: 9/23/2007
Status: offline

u sure about that
then it is the check valves

_____________________________

HUMAN BUILT = HUMAN FIXED
WWW.SWITCHBAIT.COM

(in reply to John Payton)

Post #: 4

RE: Oil Leak - 5/7/2008 1:45:16 AM

John Payton

Posts: 4
Joined: 5/6/2007
Status: offline

Hey THANKS!!
Had no idea there were check valves. I took a paper clip and gently pushed it into the fitting and sure enough I felt it. I thought it was an open and clear passage.
How do I repair it?!!
The fitting is pressed into the needle and seat plate. Can it be removed without damaging the plate? I rebuilt the carbs on my ZXI (same carbs) and there where no check vavle parts in the kits.
Do I have to replace the plate?

Thanks

(in reply to 550 SLUT)

Post #: 5