Restarting a Yanmar 3YM20 after two years hibernation

Because he's wrong.
And arrogant with it.

I've not been on this forum long, but there is apparently a bit of a culture of a 'forum group think' on a few subjects which is quite at odds with knowledgeable people in the wider world. You can take the word of the forum's pet 'expert' as gospel if you like, but I'm hardly the only person who's turned an engine by hand and seen the oil pump to work.

I think people should question a lot of the stuff they read on here.

Indeed they should, especially if it was written by you. There have been many instances where you have posted on electrical threads and contradicted what i, and others in the industry, have said.
 
Because he's wrong.
And arrogant with it.

I've not been on this forum long, but there is apparently a bit of a culture of a 'forum group think' on a few subjects which is quite at odds with knowledgeable people in the wider world. You can take the word of the forum's pet 'expert' as gospel if you like, but I'm hardly the only person who's turned an engine by hand and seen the oil pump to work.

I think people should question a lot of the stuff they read on here.
Personally I'm in awe of the depth of knowledge on the forum from a wide range of people. I've been involved with boats one way or another for well over 60 years and have a fair few miles under my keel too.

and I'm still learning stuff I didn't know - thanks to forum members on here.

You seem to know an awful lot so I'm looking forward to learning lots more !
 
Because he's wrong.
And arrogant with it.

I've not been on this forum long, but there is apparently a bit of a culture of a 'forum group think' on a few subjects which is quite at odds with knowledgeable people in the wider world. You can take the word of the forum's pet 'expert' as gospel if you like, but I'm hardly the only person who's turned an engine by hand and seen the oil pump to work.

I think people should question a lot of the stuff they read on here.
It's a shame that you responded that way, particularly when I pointed out the effect that precisely such a response might have on others. I don't suppose for a second Vyv would mind you disagreeing or, if it were the case, proving him wrong.
However, I have read a lot of Vyv's writing on this forum, on the Sadler forum going way back and on his own website - as far as I have observed, he does what he does because he is interested in it, is expert and he likes to help and inform others - something which he has amply achieved and for which many are very grateful; I have never seen him write in an arrogant way and certainly not as you have.

There isn't forum group think and it isn't about who has been here a long time - there is the general discussion from which people emerge as obviously highly knowledgeable and reliable and willing to share their expertise publicly (and freely) - Paul R on this thread is another such contributor.

Further, what might be an acceptable retort in The Lounge (the pub) is not how matters are raised in the PBO section (think more the ad hoc assistance of fellow boaters in the yard).
 
I do not know the engine & whether there is any clearance under the sump. However, if one can get to the sump nut & get a tray under it why not drain the oil off before turning anything over & give the engine an oil change? It could have collected water during layup & you may not recall how long since the last change.
I hate the idea of using a vacuum pump to clear my sump after warming the oil, simply because it does not guarantee that I have got all the crud from the sump & partly because some oil can still remain in the engine. It might drag some crud out at the same time.
I do change my oil whenever I lay up my engine, so you may have done this . In which case my comments are irrelevant & the young lovers can get married & carry on insulting each other as long as they like
 
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