25 hp Merc lower unit

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Doug O

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I have a 25 hp Merc . The lower unit is a 15 inch. The new boat I want to buy and all most all
new boats have a 20 inch transom . Can I have a 20 inch lower unit installed on this engine? Also what about cost.

Thanks Doug O
 
You never specified what year model your motor is. Most motors can be converted but IMO you probably wouldn't want to pay a mechanic/shop to do the conversion on an older motor as the conversion (labor/parts) cost could exceed the retail value of the motor. If you do the conversion yourself and buy used parts from ebay or the like, you might be able to do the conversion yourself and make it worth doing. If you've got a good running short shaft, you might be better off to sell it and buy a good used long shaft of equal value.
 
Thanks for the input mike. I did some research and your right . Cheaper to sell the 25 merc and but one with a 20 inch lower unit.
Doug O
 

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