Topic: Yanmar 1 GM 10

Installing a Yanmar 1 GM 10 (used) in my 74. I had to move the engine forward from the Westerbeke Vire position, which means I need a new shaft (not a problem) and a new propeller. Can anyone tell me what size prop to get?

thanks
Matt

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Yanmar 1 GM 10 waiting in cockpit.jpg
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Re: Yanmar 1 GM 10

I have a 1GM10 with the 2.62:1 gear ratio and a 12x13RH 3 bladed prop.