Hi Guys,
Complete newbie here. I just purchased a 1977 Yanmar YM2000 and for the life of me can't find where the coolant drains from the radiator. I need to flush the cooling system....Hopefully someone can help!
Thanks much,
John

Yanmar YM2000 Coolant Drain Plug Location
Moderator: Aaron
Re: Yanmar YM2000 Coolant Drain Plug Location
Right rear of radiator, #49. https://www.hoyetractor.com/CTGY/YM2000COOL.htm
Re: Yanmar YM2000 Coolant Drain Plug Location
Thanks for the reply. I'm still not able to locate even after looking at the diagram. Is it possible the drain hole could be plugged?
Re: Yanmar YM2000 Coolant Drain Plug Location
Here's a picture for reference. Shouldn't it be in the area of the white circles?
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Re: Yanmar YM2000 Coolant Drain Plug Location
On the other side of the radiator.
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Re: Yanmar YM2000 Coolant Drain Plug Location
It probably does'n't have one. you drain the block or lower rad hose, at least on my YM2000B.
Re: Yanmar YM2000 Coolant Drain Plug Location
Yes that is what i was thinking. There's no drain plug. Only way to do it is remove lower radiator hose. Thanks.
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