heres a few examples what engines go for in 225 look athe there age
http://www.ebay.com.au/itm/TWO-YAMAH...item35c1a90037
http://www.ebay.com.au/itm/225-1999-...item35bc358e89
this is and new price
http://www.ebay.com.au/itm/Evinrude-...item27cf26756b
there is only 3 x 225hp for sale in all of ebay i think even just bringing engine here you will make 100% profit