Flooded onan


Bob Grey
 

Gents, recently had a water in oil problems with my Onan, the boat is 2 years old, sailed on a tight starboard tack for 80 miles in 20-25 knots, didn't use generator at all during the trip, tried to start generator when arrived in harbour and no go

When I checked it had about 1-2 liters of water in the oil, drained and changed oil and filter ran it 2 hours then drained and changed oil and filter again. It's working ok now, no issues but my question is how did water get into the motor. The only way seems to be via the wet exhaust system. Has anyone else had this problem and can offer advice to cure it.


Have sailed about 10000nm in far heavier weather and no issues before.


Bob Grey

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