GeorgeJ Posted June 14, 2009 Report Share Posted June 14, 2009 I mounted my new Yamaha 25hp to my Grizzly Tracker which does not have any wood on the transom for the motor to rest against. The Yamaha has a couple of pointed bosses on motor support that now rest against the aluminum transom and actually keep the whole engine support from completely sitting flush against the transom. After my first test ride it seems as there is some minute movement between the two making a bit of a snapping sound when I throttle up or down. So now I wonder if I should be putting a piece of wood on the back of the transom for the motor to sit against, any thoughts? Link to comment Share on other sites More sharing options...
bigpikemike Posted June 14, 2009 Report Share Posted June 14, 2009 yep thats is what i do Link to comment Share on other sites More sharing options...
HTHM Posted June 14, 2009 Report Share Posted June 14, 2009 That would be a very good idea, as the pointed bosses will wear a hole in the transom over time. Try to use some ash as it will take the wet conditions fairly well. Do not use PT (pressure treated) as it is corrosive. Link to comment Share on other sites More sharing options...
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