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Oil running down fuel line 2011 FS570

Joined Apr 2013
23 Posts | 0+
connecticut
2011 FS 570, 700 miles. My bike has leaked a small amount of oil since New. It's bothersome in that it runs down the fuel line above the engine, down the side of the frame and onto the countershaft sprocket. It is perplexing that it is coming from above the motor. My dealer thought it was the magneto gasket and replaced it, but obviously was not it since it is leaking from above the motor. It is not air filter oil, or gasoline, it is definitely motor oil. I really don't want to take the tank off now since I have so many other projects to complete and would just like to ride it. I leave a metal pan under it to prevent oil on the garage floor like it is an old Harley. Has anyone experienced a similar problem?
 
I haven't experienced this problem with my 09 570, but could I suggest that it may be your cam chain tensioner that is leaking. ? That is the only pressure fed opening in that area.
 
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It will probably be comming from the air cleaner, I have had it happen occasionaly after steep down hill runs or after droping the bike.
The oil runs up the vent from the rocker cover into the air box then dribbles down the fuel line.
 
There is a hose that comes off the top of the rocker cover and it does not have a hose clamp on it. It can come off pretty easily.

Are you sure it isn't an over oiled air filter? Excess air filter oil will run down the left side of the frame.

Davo
 

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