oil in bilge from under the motors

[jjcarter]

1996 Speedster, just opened it up after a long winter and found 2 cycle oil in the bilge. Lost about 1/2 gal of oil and it's not leaking from the tank. The oil is all under each motor. Could it be from each oul pump?
When I winterized it there was no oil in the bilge.
Any suggestions would be great with helping me fix this problem.
Thanks

 

[timmyboy76]

i'd check all oil lines and filter for cracks..

 

[jjcarter]

I was thing of changing the lines but why would both be leaving at the same time.
The line that goes under the rotory valve is that easy to change?
And does that line fill the crank case? i am quite new to Seadoo but have raced Skidoo in the late 70's early 80's but they did not have the rotory valve in them.
Does anyone know what size lines and how many feet are needed to replace them?

 

[seadoodude1]

I think it's 1/8 inch line. Check dealer, hobby shop or any online parts order house. There is a link on this page for OEM parts or parkeryamaha.com, for example.

If leak is not from seam in tank (common) then it may be the rotary valve leaking or the check valves in the injection lines.

Is there oil in the cylinders? Check by removing spark plugs, grounging them on ground posts and crank engine see if a lot of oil comes out. If so the crank seals may be leaking between rotary valve and case. However that does not usually leak into the bilge, just into the cylinders.