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Posting a reply to: Re: Yamaha 4-stroke winterization

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[QUOTE]Jerry Newman - 11/4/2019  6:35 PM

It's interesting that Honda does not recommend the crankcase oil be changed for storage like Yamaha, kind of reaffirms the thinking on the top end of a four stroke for me.

I agree with your recommendation on the lower unit change before winter as a general guideline, but then again everyone's situation and risk tolerance is a little different. Take for instance esoxaddict storing his boat in a heated garage, obviously that solves the potential freezing problem.

IMHO, motors are built with much tighter tolerances these days, as well as my thinking that I would have probably noticed something while doing visual inspections, or something during the last service. I only have about 30 hours on my motors since the last oil change, and although there is a slight risk something weird could have happened, this also hold true for the middle of the summer. Anyway, I'm willing to take that chance because I feel the risk water infiltrated is so slight. 
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Jerry Newman

Posted 11/4/2019 6:35 PM (#949425 - in reply to #949412)
Subject: Re: Yamaha 4-stroke winterization

Location: 31

It's interesting that Honda does not recommend the crankcase oil be changed for storage like Yamaha, kind of reaffirms the thinking on the top end of a four stroke for me.

I agree with your recommendation on the lower unit change before winter as a general guideline, but then again everyone's situation and risk tolerance is a little different. Take for instance esoxaddict storing his boat in a heated garage, obviously that solves the potential freezing problem.

IMHO, motors are built with much tighter tolerances these days, as well as my thinking that I would have probably noticed something while doing visual inspections, or something during the last service. I only have about 30 hours on my motors since the last oil change, and although there is a slight risk something weird could have happened, this also hold true for the middle of the summer. Anyway, I'm willing to take that chance because I feel the risk water infiltrated is so slight.

Edited by Jerry Newman 11/25/2019 12:45 PM