I'm attempting to replace the impeller in the lower unit. I have remove all the bolts. The lower unit drops down about 3inchs. I know by reviewing other post that you have to disconect the shifting lever on top. however, upon looking where i think it should be removed it looks as though the shaft comming into the top takes a 90 degree turn to the port and then 90's straight up to the shift lever. before I loosen the 1/2" bolt on the clamp where this shaft is connected, will I be able to drop the lower unit once disconnected. Or is there something I am missing. I have ordered the factory service manual, but I am axious to get this done, so any help would be appreciated. Rich in CT