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Old 10-22-2018, 09:27 AM   #6
boater3
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City: Z
Vessel Model: tbd
Join Date: Mar 2017
Posts: 1,027
One more thing to add to the list is fluid samples...I know many do it already ( I do regularly) but a good idea for anyone's winterization list to take oil samples after running antifreeze and shutting down.

Oil analysis for engines and genset

Optional transmission

I have typically done oil samples every 50 hours and before winterization. I am contemplating also doing after spring commissioning just to make sure all is well after winter layup.

My experience is the oil can probably last 400+ hours but I haven't pushed it that far yet. I put almost 300 hours on the boat this year and that was an all time record as a result of my trip. Normal years I am around 100-150 depending on trips. I would probably change the oil at least every two years any way regardless if low hours and of course sooner if an analysis indicates. I found my oil was practically new at 200 hours Probably can get 400 hours based on the trend.
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