No Oil In Dry Sump - 2007 FX HO - Yamaha Forums
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post #1 of 1 Old 05-25-2020, 08:36 AM Thread Starter
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No Oil In Dry Sump - 2007 FX HO

I have a 2007 Waverunner FX HO and oil is draining from the dry sump tank into the engine when sitting for a few days. No leaks and once engine is started, the oil will refill in the sump and oil level is correct. However, a couple of days later, sump will be completely dry again. I have another identical model and sump does not drain. Is there some type of check valve that keeps oil in the sump tank? Has anyone ever seen this before? When I first start the ski, I get an alarm since no oil in tank but then restart and all is fine. Have searched on-line with no help. Other than that, ski runs great.
rcduval is offline  
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