i have a 225 h o 2005 while running down the lake at full throttle a blade on my prop broke off never felt any vibration just went into a wild spin finally stopped had no idea what happened looked back to see lower unit hanging by shift rod tore up mid section ,prop lower unit where lower unit attaches stripped out front hole 4 bolts came out completly back bolt stayed but broke off with mid section evinrude is unwilling to cover under warranty any suggestions