thanks to all who has helped me (don, old geezer, crimson gambler) A great thank you to Don at european marine who has saved me a substantial amount of money for a service bill. i have closed the book on my 02 tr21 w/250 proxb. i bought this boat and was only getting 71gps and now i have 80 gps and still tweeking. among going thru the entire fuel system i have found one problem i never thought about. Last weekend before i went to the lake, i was reading on here about the lower units being sheared off and decided to check all the nuts and bolts on my motor. now keep in mind i couldnt for the life of me figure out why i wasnt getting much lift out of my boat. i figured it out!! the top two bolts that secure the motor to the jackplate were loose. both nylon lock nuts turned 4 complete turns before tightening up. went to the lake and Presto!!! i have lift. Just goes o show you that a little maintenance can go along way!!!!! thanks so much to everyone.