Yanmar YM2000 Coolant Drain Plug Location

[johnyarb]

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

[winston]

Right rear of radiator, #49. https://www.hoyetractor.com/CTGY/YM2000COOL.htm

[johnyarb]

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?

[johnyarb]

Here's a picture for reference. Shouldn't it be in the area of the white circles?

[winston]

On the other side of the radiator.

[Norm]

It probably does'n't have one. you drain the block or lower rad hose, at least on my YM2000B.

[johnyarb]

Yes that is what i was thinking. There's no drain plug. Only way to do it is remove lower radiator hose. Thanks.